CAS Number 68130-15-4, Carboxymethyl Hydroxypropyl Guar or CMHPG Gum Manufacturers, with SDS GHS MSDS Sheet
Supplier, Manufacturer, Exporter of Carboxymethyl Hydroxypropyl Guar or CMHPG, Muby Chemicals of Mubychem Group, established in 1976, is the original manufacturers of Specialty Chemicals, Pharmaceutical Excipient, Fragrance Food & Flavor chemicals, Reagent Grade Chemicals, Shale Gas Fracturing Chemicals in India. Mubychem Group has several manufacturing facilities spread across Western India and world wide contacts and toll manufacturers. We are exporting globally to countries like USA, Canada, Europe, UAE, South Africa, Tanzania, Kenya, Egypt, Nigeria, Cameroon, Uganda, Turkey, Mexico, Brazil, Chile, Argentina, Dubai, Korea, Vietnam, Thailand, Malaysia, Indonesia, Australia, China, Germany, France, Italy, Portugal etc.
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SDS MSDS Sheet of Carboxymethyl Hydroxypropyl Guar or CMHPG Manufacturers
Carboxymethyl Hydroxypropyl Guar
Fracturing Chemical CMHPG Suppliers
In the USA, UAE, Iran Iraq, Kuwait, Saudi Arabia and other oil producing areas, several hundred chemical compounds are used in hydraulic fracturing also called fracking, fracing or frac. In some areas like UK only 'Non-Hazardous' chemicals are permitted for fracturing fluids by the Environment Agency. All chemicals have to be declared publicly and increasingly, food additive based chemicals are available to allow fracking to take place safely.
Mubychem is an internationally preferred source for Stimulation Chemicals and Hydraulic Fracturing Chemicals. We serve various oil and shale gas producing countries like USA UAE, Kuwait, Iran, Iraq, Saudi Arabia, UK, Europe India etc. We are never too far from your well-site with multiple 24/7 company owned or rented warehouses in the India, USA and across the globe. With customers in several countries, we sell almost all the fracturing chemicals.
Carboxymethyl Hydroxypropyl Guar or CMHPG, CAS : 68130-15-4 is an anionic guar derivative used as a gelling agent for oil and gas hydraulic fracturing fluids to suspend proppant. Carboxymethyl Hydroxypropyl Guar is a sodium salt of a propylene glycol ether of carboxymethyl guar. CMHPG is easily soluble in cold temperature environments. Furthermore, CMHPG polymers exhibit a good thermal stability and can be cross-linked with a number of cross-linkers.
CMHPG is an anionic high viscosity modified polysaccharide. It is used as a gelling agent in fracturing fluid. Its chemical and temperature stability makes this grade particularly suitable for designing fracturing fluids at high temperature or with saline water. It exhibits good thermal stability and can be crosslinked with a number of transitional metal ions, including borates, Aluminum. Zirconates, Titanates.
Carboxymethyl hydroxypropyl guar Gum (CMHPG) is double chemical modified guar gum by carboxymethyl hydroxypropyl ether which is specially designed for oilfield industry as additives for water and methanol-based fracturing fluids.
General Specifications of Carboxymethyl hydroxypropyl guar Gum (CMHPG):
Characters: It occurs as fine off white to yellow powder
Moisture: Maximum 8.0%
Hydration Viscosity by Fann at 25C (250gm 2% KCl Soln. + 1.2 gm. GGP mixing in Waring Blender at 1500 rpm 2 1/2 Min.):
3 Minutes: Minimum 35 cps
60 Minutes: Minimum 38 cps
Shelf life, Storage and Packing: 1 year. It is kept in a tightly closed container in a cool well ventilated area. It is packed in 25kg or 50kg in Bags or HDPE drums or 1000kg in Super sacs.
We also manufacture and supply as under:
Agar or China grass
Carboxymethyl Hydroxypropyl Guar or CMHPG
Gum Acacia or Gum Arabic
Hydroxypropyl Guar Gum
Locust Bean Gum
Ambernath Mumbai, Ankleshwar Gujarat, India
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Last 2 October, 2023
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CMHPG or Carboxymethyl Hydroxypropyl Guar SDS or Safety Data Sheet
Material Safety Data Sheet 07-Oct-20
1. Product Identification
Product Name & Other Names: Gum guar, carboxymethyl 2-hydroxypropyl ether, sodium salt or Carboxymethyl hydroxypropyl guar or galactasol carboxymethyl hydroxypropyl guar (CMHPG) or gum guar, carboxymethyl 2-hydroxypropyl ether, sodium salt or sodium carboxylmethyl(hydroxypropyl)guar
CAS No.: 68130-15-4
Chemical Formula: C3H8O2.xC2H4O3.xNa.x Unspecified
Relevant uses and uses advised against (if any): Industrial use only.
Supplier: As per letterhead.
2. Hazards Identification
GHS, Globally Harmonized System Classification in accordance with 29 CFR 1910
Classification according to Regulation (EC) No 1272/2008
Acute toxicity, oral Category 5 - H303
Skin corrosion/irritation Category 2 - H315
Serious eye damage/eye irritation Category 2A - H319
Sensitization, respiratory Category 1 - H334
Specific target organ toxicity, single exposure; Respiratory tract irritation Category 3 - H335
Labeling according to GHS & Regulation (EC) No 1272/2008
GHS Label Elements
GHS Label Elements
Signal Word: Danger
H303-May be harmful if swallowed
H315-Causes skin irritation.
H319 -Causes serious eye irritation.
H334-May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H335-May cause respiratory irritation
Precautionary statements Prevention
P261 -Avoid breathing dust/fumes.
P271 -Use only outdoors or in a well-ventilated area.
P285: In case of inadequate ventilation wear respiratory protection.
P280 -Wear protective gloves/protective clothing/eye protection/face protection.
Precautionary statements Response
P304+341: IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing.
P312- Call a POISON CENTER/doctor/physician/first aider/if you feel unwell.
P342+P311 -If experiencing respiratory symptoms: Call a POISON CENTER/doctor/physician/first aider.
P305+P351+P338- IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P337+P313- If eye irritation persists: Get medical advice/attention.
P302+P352 -IF ON SKIN: Wash with plenty of water and soap.
P332+P313 -If skin irritation occurs: Get medical advice/attention.
P362+P364 -Take off contaminated clothing and wash it before reuse.
Precautionary statements Storage
P405 Store locked up.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
Precautionary statement(s) Disposal
P501 Dispose of contents/container in accordance with local regulations.
Classification according to EU Directives 67/548/EEC or 1999/45/EC:
Xi = Irritant
Xn = Harmful
R36/37/38 Irritating to eyes, respiratory system, and skin
R42 May cause sensitization by inhalation.
3. Composition/Information on Ingredients
Product Name & Other Names: Gum guar, carboxymethyl 2-hydroxypropyl ether, sodium salt or Carboxymethyl hydroxypropyl guar or galactasol carboxymethyl hydroxypropyl guar (CMHPG) or gum guar, carboxymethyl 2-hydroxypropyl ether, sodium salt or sodium carboxylmethyl(hydroxypropyl)guar.
CAS No.: 68130-15-4
% by Weight: >98%
4. First Aid Measures
Always seek medical attention after first aid measures are provided.
Eye Contact: Wash out immediately with fresh running water. Ensure complete irrigation of the eye by keeping eyelids apart and away from eye and moving the eyelids by occasionally lifting the upper and lower lids. Seek medical attention without delay; if pain persists or recurs seek medical attention. Removal of contact lenses after an eye injury should only be undertaken by skilled personnel.
Skin Contact: Immediately remove all contaminated clothing, including footwear. Flush skin and hair with running water (and soap if available). Seek medical attention in event of irritation.
Inhalation: Lay patient down. Keep warm and rested. Prostheses such as false teeth, which may block airway, should be removed, where possible, prior to initiating first aid procedures. Apply artificial respiration if not breathing, preferably with a demand valve resuscitator, bag-valve mask device, or pocket mask as trained. Perform CPR if necessary. Transport to hospital, or doctor, without delay.
Ingestion: If swallowed do NOT induce vomiting. If vomiting occurs, lean patient forward or place on left side (head-down position, if possible) to maintain open airway and prevent aspiration. Observe the patient carefully. Never give liquid to a person showing signs of being sleepy or with reduced awareness i.e. becoming unconscious. Give water to rinse out mouth, then provide liquid slowly and as much as casualty can comfortably drink. Seek medical advice.
Indication of any medical attention and special treatment needed: Treat symptomatically
5. Fire Fighting Measures
Extinguishing media: Water spray or fog, Foam, Dry chemical powder, BCF (where regulations permit), Carbon dioxide.
Special hazards arising from the substrate or mixture: Avoid contamination with oxidizing agents i.e. nitrates, oxidizing acids, chlorine bleaches, pool chlorine etc. as ignition may result.
Fire Fighting: Alert Fire Brigade and tell them location and nature of hazard. Wear breathing apparatus plus protective gloves. Prevent, by any means available, spillage from entering drains or water courses. Use water delivered as a fine spray to control fire and cool adjacent area. DO NOT approach containers suspected to be hot. Cool fire exposed containers with water spray from a protected location. If safe to do so, remove containers from path of fire. Equipment should be thoroughly decontaminated after use.
Fire/Explosion Hazard: Combustible solid which burns but propagates flame with difficulty; it is estimated that most organic dusts are combustible (circa 70%) - according to the circumstances under which the combustion process occurs, such materials may cause fires and / or dust explosions. Organic powders when finely divided over a range of concentrations regardless of particulate size or shape and suspended in air or some other oxidizing medium may form explosive dust-air mixtures and result in a fire or dust explosion (including secondary explosions). Avoid generating dust, particularly clouds of dust in a confined or unventilated space as dusts may form an explosive mixture with air, and any source of ignition, i.e. flame or spark, will cause fire or explosion. Dust clouds generated by the fine grinding of the solid are a particular hazard; accumulations of fine dust (420 micron or less) may burn rapidly and fiercely if ignited - particles exceeding this limit will generally not form flammable dust clouds; once initiated, however, larger particles up to 1400 microns diameter will contribute to the propagation of an explosion.
Build-up of electrostatic charge may be prevented by bonding and grounding.
Powder handling equipment such as dust collectors, dryers and mills may require additional protection measures such as explosion venting.
All movable parts coming in contact with this material should have a speed of less than 1-meter/sec.
A sudden release of statically charged materials from storage or process equipment, particularly at elevated temperatures and/ or pressure, may result in ignition especially in the absence of an apparent ignition source.
Combustion products include: carbon monoxide (CO), carbon dioxide (CO2). May emit poisonous and corrosive fumes.
6. Accidental Release Measures
Personal precautions, protective equipment, and emergency procedures: Avoid breathing dust/fumes/gas/mist/vapors/spray. Ensure adequate ventilation. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Restrict unprotected personnel from the area. Prevent any contact with hot surfaces. Do not approach facing the wind. Do not touch the spilled material.
Environmental precautions: Do not let the product enter drains, soil, or water sources.
Methods and materials used for containment Cleanup procedures and Storage:
Minor Spills: Remove all ignition sources. Clean up all spills immediately. Avoid contact with skin and eyes. Control personal contact with the substance, by using protective equipment. Use dry clean up procedures and avoid generating dust. Place in a suitable, labeled container for waste disposal.
Major Spills: Alert Emergency Services and tell them location and nature of hazard. Control personal contact by wearing protective clothing. Recover product wherever possible. Contain spilled material. Cover with an inert, non-combustible absorbent material, (e.g. sand, earth, diatomaceous earth, vermiculite).
IF DRY: Use dry clean up procedures and avoid generating dust. Collect residues and place in sealed plastic bags or other containers for disposal.
IF WET: Vacuum/shovel up and place in labelled containers for disposal.
ALWAYS: Wash area down with large amounts of water and prevent runoff into drains.
7. Handling and Storage
Precautions for safe handling:
Avoid all personal contact, including inhalation.
Wear protective clothing when risk of exposure occurs.
Use in a well-ventilated area.
Prevent concentration in hollows and sumps.
DO NOT enter confined spaces until atmosphere has been checked.
DO NOT allow material to contact humans, exposed food or food utensils.
Avoid contact with incompatible materials.
When handling, DO NOT eat, drink or smoke.
Keep containers securely sealed when not in use.
Avoid physical damage to containers.
Always wash hands with soap and water after handling.
Work clothes should be laundered separately. Launder contaminated clothing before re-use.
Use good occupational work practice.
Atmosphere should be regularly checked against established exposure standards to ensure safe working conditions are maintained.
Organic powders when finely divided over a range of concentrations regardless of particulate size or shape and suspended in air or some other oxidizing medium may form explosive dust-air mixtures and result in a fire or dust explosion (including secondary explosions)
Minimize airborne dust and eliminate all ignition sources. Keep away from heat, hot surfaces, sparks, and flame.
Remove dust accumulations on a regular basis by vacuuming or gentle sweeping to avoid creating dust clouds.
Use continuous suction at points of dust generation to capture and minimize the accumulation of dusts. Particular attention should be given to overhead and hidden horizontal surfaces to minimize the probability of a "secondary" explosion. According to NFPA Standard 654, dust layers 1/32 in.(0.8 mm) thick can be sufficient to warrant immediate cleaning of the area.
Do not use air hoses for cleaning.
Minimize dry sweeping to avoid generation of dust clouds. Vacuum dust-accumulating surfaces and remove to a chemical disposal area. Vacuums with explosion-proof motors should be used.
Control sources of static electricity. Dusts or their packages may accumulate static charges, and static discharge can be a source of ignition.
Solids handling systems must be designed in accordance with applicable standards (e.g. NFPA including 654 and 77) and other national guidance.
Do not empty directly into flammable solvents or in the presence of flammable vapors.
The operator, the packaging container and all equipment must be grounded with electrical bonding and grounding systems. Plastic bags and plastics cannot be grounded, and antistatic bags do not completely protect against development of static charges.
Empty containers may contain residual dust which has the potential to accumulate following settling. Such dusts may explode in the presence of an appropriate ignition source.
Do NOT cut, drill, grind or weld such containers.
Other information: Store in original containers. Keep containers securely sealed. Store in a cool, dry area protected from environmental extremes. Store away from incompatible materials and foodstuff containers. Protect containers against physical damage and check regularly for leaks.
For major quantities: Consider storage in bonded areas - ensure storage areas are isolated from sources of community water (including storm-water, ground water, lakes and streams}.
Suitable container: Polyethylene or polypropylene container. Check all containers are clearly labeled and free from leaks.
Storage incompatibility: Dilute solutions of all sugars are subject to fermentation, either by yeast or by other microorganisms or enzymes derived from these, producing gases which can pressurize and burst sealed containers. Some microorganisms will produce hydrogen or methane, adding a fire and explosion hazard. Avoid reaction with oxidizing agents.
8. Exposure Controls/Personal Protection
Occupational Exposure Limits (Oel): Not Available
Appropriate engineering controls: Engineering controls are used to remove a hazard or place a barrier between the worker and the hazard. Well-designed engineering controls can be highly effective in protecting workers and will typically be independent of worker interactions to provide this high level of protection.
The basic types of engineering controls are:
Enclosure and/or isolation of emission source which keeps a selected hazard "physically" away from the worker and ventilation that strategically "adds" and "removes" air in the work environment. Ventilation can remove or dilute an air contaminant if designed properly. Local exhaust ventilation is required where solids are handled as powders or crystals; even when particulates are relatively large, a certain proportion will be powdered by mutual friction. Exhaust ventilation should be designed to prevent accumulation and recirculation of particulates in the workplace.
If despite local exhaust an adverse concentration of the substance in air could occur, respiratory protection should be considered. Such protection might consist of:
(a): particle dust respirators, if necessary, combined with an absorption cartridge;
(b): filter respirators with absorption cartridge or canister of the right type;
(c): fresh-air hoods or masks
Build-up of electrostatic charge on the dust particle, may be prevented by bonding and grounding.
Powder handling equipment such as dust collectors, dryers and mills may require additional protection measures such as explosion venting.
Air contaminants generated in the workplace possess varying "escape" velocities which, in turn, determine the "capture velocities" of fresh circulating air required to efficiently remove the contaminant.
Type of Contaminant:
direct spray, spray painting in shallow booths, drum filling, conveyer loading, crusher dusts, gas discharge (active generation into zone of rapid air motion)
1-2.5 m/s (200-500 f/min.)
grinding, abrasive blasting, tumbling, high speed wheel generated dusts (released at high initial velocity into zone of very high rapid air motion).
2.5-10 m/s (500-2000 f/min.)
Simple theory shows that air velocity falls rapidly with distance away from the opening of a simple extraction pipe. Velocity generally decreases with the square of distance from the extraction point (in simple cases). Therefore, the air speed at the extraction point should be adjusted, accordingly, after reference to distance from the contaminating source. The air velocity at the extraction fan, for example, should be a minimum of 4-10 m/s (800-2000 f/min) for extraction of crusher dusts generated 2 meters distant from the extraction point. Other mechanical considerations, producing performance deficits within the extraction apparatus, make it essential that theoretical air velocities are multiplied by factors of 10 or more when extraction systems are installed or used.
Eye and face protection:
Safety glasses with side shields.
Contact lenses may pose a special hazard; soft contact lenses may absorb and concentrate irritants. A written policy document, describing the wearing of lenses or restrictions on use, should be created for each workplace or task. This should include a review of lens absorption and adsorption for the class of chemicals in use and an account of injury experience. Medical and first-aid personnel should be trained in their removal and suitable equipment should be readily available. In the event of chemical exposure, begin eye irrigation immediately and remove contact lens as soon as practicable. Lens should be removed at the first signs of eye redness or irritation - lens should be removed in a clean environment only after workers have washed hands.
The exact break through time for substances has to be obtained from the manufacturer of the protective gloves and has to be observed when making a final choice.
Personal hygiene is a key element of effective hand care. Gloves must only be worn on clean hands. After using gloves, hands should be washed and dried thoroughly. Application of a non-perfumed moisturizer is recommended.
Select gloves tested to a relevant standard (e.g. Europe EN 374, US F739, AS/NZS 2161.1 or national equivalent).
When prolonged or frequently repeated contact may occur, a glove with a protection class of 5 or higher (breakthrough time greater than 240 minutes according to EN 374, AS/NZS 2161.10.1 or national equivalent) is recommended.
When only brief contact is expected, a glove with a protection class of 3 or higher (breakthrough time greater than 60 minutes according to EN 374, AS/NZS 2161.10.1 or national equivalent) is recommended.
For general applications, gloves with a thickness typically greater than 0.35 mm, are recommended.
Other protection: P.V.C. apron. Barrier cream. Skin cleansing cream. Eye wash unit.
Respirators may be necessary when engineering and administrative controls do not adequately prevent exposures. The decision to use respiratory protection should be based on professional judgment that takes into account toxicity information, exposure measurement data, and frequency and likelihood of the worker's exposure - ensure users are not subject to high thermal loads which may result in heat stress or distress due to personal protective equipment (powered, positive flow, full face apparatus may be an option).
Certified respirators will be useful for protecting workers from inhalation of particulates when properly selected and fit tested as part of a complete respiratory protection program.
Use approved positive flow mask if significant quantities of dust becomes airborne.
Try to avoid creating dust conditions.
9. Physical and Chemical Properties
Appearance: Divided solid; mixes with water. Easily soluble in cold temperature environments. Soluble in petroleum distillate. Produces high viscosity solutions . Exhibits good compatibility with aqueous solutions of salts and organic compounds, rapid hydration and compatible with organic solvents.
Odor: Not available.
Odor threshold: Not available.
Relative density: 1.3
Melting point / freezing point (°C): 246 (decomposes)
Initial boiling point and boiling range: Not available.
Flash point: Not available.
Auto-ignition temperature: Not available.
Decomposition temperature: Not available.
Upper/lower flammability or explosive limits: Not available.
Vapor pressure: Not available.
Vapor density: Not available.
Evaporation rate: Not available.
Flammability (solid, gas): Not available.
Partition coefficient: n-octanol/water: Not available.
Solubility in water (g/L): Soluble
Viscosity (cSt): 35 poise
10. Stability and Reactivity
Product is considered stable.
Unstable in the presence of incompatible materials.
Hazardous polymerization will not occur.
Conditions to avoid- See section 7
Incompatible materials- See section 7
Hazardous decomposition products- See section 5
11. Toxicological Information
Toxicity to Animals: Not Available
Mutagenicity: Data Not Available to make classification
Carcinogenicity: Data Not Available to make classification
Teratogenic Effects: Not available.
Mutagenic Effects: Not available.
Developmental Toxicity: Not available.
Reproductive Effects: No information available.
12. Ecological Information
Toxicity: Surfactants are in general toxic to aquatic organisms due to their surface-active properties. DO NOT discharge into sewer or waterways.
Persistence - Water/Soil: No Data available for all ingredients
Persistence - Air: No Data available for all ingredients
Bioaccumulation: No Data available for all ingredients
Mobility in soil: No Data available for all ingredients
13. Disposal Considerations
Containers may still present a chemical hazard/ danger when empty. Return to supplier for reuse/ recycling if possible. If container cannot be cleaned sufficiently well to ensure that residuals do not remain or if the container cannot be used to store the same product, then puncture containers, to prevent re-use, and bury at an authorized landfill. Where possible retain label warnings and SDS and observe all notices pertaining to the product. Legislation addressing waste disposal requirements may differ by country, state and/ or territory. Each user must refer to laws operating in their area. In some areas, certain wastes must be tracked.
DO NOT allow wash water from cleaning or process equipment to enter drains.
It may be necessary to collect all wash water for treatment before disposal.
In all cases disposal to sewer may be subject to local laws and regulations and these should be considered first. Where in doubt contact the responsible authority.
14. Transport Information
Marine Pollutant: No
DOT USA ADR/RID Europe: Not Regulated.
IMDG: Not Regulated.
IATA: Not Regulated.
15. Regulatory Information
CMHPG (GUM GUAR, CARBOXYMETHYL 2-HYDROXYPROPYL ETHER, SODIUM SALT)(68130-15-4) IS FOUND ON THE FOLLOWING REGULATORY LISTS:16. Other InformationDisclaimer:
Australia - AICS: Y
Canada - DSL: Y
Canada - NDSL: N (CMHPG (gum guar, carboxymethyl 2-hydroxypropyl ether, sodium salt))
China - IECSC :Y
Europe - EINEC / ELINCS / NLP: N (CMHPG (gum guar, carboxymethyl 2-hydroxypropyl ether, sodium salt))
Japan - ENCS: N (CMHPG (gum guar, carboxymethyl 2-hydroxypropyl ether, sodium salt))
Korea - KECI: N (CMHPG (gum guar, carboxymethyl 2-hydroxypropyl ether, sodium salt))
New Zealand - NZIoC: Y
Philippines - PICCS: N (CMHPG (gum guar, carboxymethyl 2-hydroxypropyl ether, sodium salt))
USA - TSCA: Y
Legend: Y = All ingredients are on the inventory and N = Not determined or one or more ingredients are not on the inventory and are not exempt from listing(see specific ingredients in brackets)
Our company provides this MSDS sheet in good faith but makes no representation as to its comprehensiveness or accuracy. This SDS sheet is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. The above information has been compiled from various sources and has the possibility of discrepancy and being out-dated information. Individuals receiving the information must exercise their independent judgment and do further search in determining its appropriateness for a particular purpose. In no case shall our company be liable to loss or damages by the product user.