2-Butyne-1,4-diol or 1,4-Butynediol or 1,4-Dihydroxy-2-butyne Manufacturers, with SDS GHS MSDS Sheet

Supplier, Manufacturer, Exporter of 2-Butyne-1,4-diol or 1,4-Butynediol, 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, Bangladesh, etc.

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2-Butyne-1,4-diol or 1,4-Butynediol or 1,4-Dihydroxy-2-butyne: CAS Number: 110-65-6, EINECS EC Number: 203-788-6, Molecular Formula: C4H6O2 or OHCH2CCCH2OH, Molecular Weight: 86.09, HS Code 2905 39 95

Specifications, Safety Data Sheet, Manufacturing process details, Wholesale retail buy sell prices, Uses etc available on line in these pages for 2-Butyne-1,4-diol or 1,4-Butynediol or 1,4-Dihydroxy-2-butyne.

2-Butyne-1,4-diol or 1,4-Butynediol or 1,4-Dihydroxy-2-butyne appears as white to light-yellow solid. 1,4-Butynediol is an organic compound that is an alkyne and a diol. It is a colorless, hygroscopic solid. It is used in Corrosion inhibitors, anti-scaling agents, finishing agents, intermediates, plating agents, and surface treating agents.

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2-Butyne-1,4-diol or 1,4-Butynediol or 1,4-Dihydroxy-2-butyne
SDS Safety Data Sheet
MSDS Sheet, Material Safety Data Sheet 29-Mar-21

Product Name & Other Names: 2-Butyne-1,4-diol or 1,4-Butynediol or 1,4-Dihydroxy-2-butyne.
CAS No.: 110-65-6
EINECS EC Code: 203-788-6
Molecular Weight: 86.09
Chemical Formula: C4H6O2 or OHCH2CCCH2OH
Relevant uses and uses advised against (if any): Industrial Manufacturing.
Suppliers: As per letterhead.

GHS, Globally Harmonized System Classification in accordance with 29 CFR 1910
Classification according to Regulation (EC) No 1272/2008

Acute toxicity, Oral (Category 3), H301
Acute toxicity, Dermal (Category 4), H312
Skin corrosion (Category 1B), H314
Skin sensitization (Category 1), H317
Acute toxicity, Inhalation (Category 3), H331
Specific target organ toxicity - repeated exposure (Category 2), H373

Hazard Statements:
H301 + H331 Toxic if swallowed or if inhaled.
H312 Harmful in contact with skin.
H314 Causes severe skin burns and eye damage.
H317 May cause an allergic skin reaction.
H373 May cause damage to organs (Nervous system, Kidney, Liver, Skin) through prolonged or repeated exposure.

Precautionary Statements
P202: Do not handle until all safety precautions have been read and understood.
P220: Keep/Store away from clothing/other combustible materials.
P221: Take any precaution to avoid mixing with combustibles.
P234 Keep only in original container.
P260: Do not breathe dust/fume/gas/mist/vapors/spray.
P264: Wash ... thoroughly after handling.
P270: Do not eat, drink or smoke when using this product.
P271: Use only outdoors or in a well-ventilated area.
P272: Contaminated work clothing should not be allowed out of the workplace
P273: Avoid release to the environment.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P284: Wear respiratory protection.
P301+P310+330: IF SWALLOWED: Rinse mouth and immediately call a POISON CENTER or doctor/physician.
P302+P352: IF ON SKIN: Wash with soap and water.
P303 + P361 + P352 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Wash with plenty of soap and water.
P304+P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P304 + P341 + P311 IF INHALED: If breathing is difficult, remove to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER or doctor/physician.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P332+P313: If skin irritation occurs: Get medical advice/attention.
P314: Get Medical advice/attention if you feel unwell.
P330: If swallowed, rinse mouth.
P308+313: IF exposed or concerned: Get medical advice/attention.
P337+P313: If eye irritation persists: Get medical advice/ attention.
P360: Rinse immediately contaminated clothing and skin with plenty of water before removing clothes.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
P501: Dispose of contents/container in accordance with local/regional/national/international regulations.

Classification according to EU Directives 67/548/EEC or 1999/45/EC:
Hazard Symbols:
T Toxic
C Corrosive
Risk Phrase:
R23/25 Toxic by inhalation and if swallowed.
R21 Harmful in contact with skin.
R34 Causes burns.
R41 Risk of serious damage to eyes.
H317 May cause an allergic skin reaction.
R48 Danger of serious damage to health by prolonged exposure.

Product Name & Other Names: 2-Butyne-1,4-diol or 1,4-Butynediol or 1,4-Dihydroxy-2-butyne.
CAS No.: 110-65-6
EINECS EC Code: 203-788-6

Inhalation: If inhaled, it will cause irritation and damage to nose and throat. It can cause headache, bleeding from nose coughing and chest discomfort. Remove the victim to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention.
Ingestion: It will cause irritation and burns to mouth, digestive tract and stomach. It may lead to pain, nausea, vomiting, and even collapse. Contact medical center quickly. Never give anything by mouth to an unconscious person. Get medical attention.
Skin Contact: On contact, it can cause itching, pain, swelling and redness. Immediately flush skin with plenty of water for at least 15 minutes. Remove contaminated clothing and shoes. Get medical attention. Wash clothing before reuse. Thoroughly clean shoes before reuse.
Eye Contact: It can cause severe damage to eyes. Check for and remove any contact lenses. Immediately flush eyes with running water for at least 15 minutes, keeping eyelids open. Cold water may be used. Get medical attention.

Fire: Flash point: 152C literature.
Toxic fumes, carbon dioxide, carbon monoxide may be formed in fire.
Auto-ignition temperature: 335C.
Fire Extinguishing Media: Dry chemical, foam or carbon dioxide and water spray jet.
Special Information: In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full face piece operated in the pressure demand or other positive pressure mode. At high temperatures under fire conditions, it may produce toxic or irritating fumes. Fire-extinguishing work is done from the windward and the suitable fire-extinguishing method according to the surrounding situation is used. Uninvolved persons should evacuate to a safe place.

Personal precautions, protective equipment, and emergency procedures: Avoid breathing dust/fumes/gas/mist/vapors/spray. 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:
Small Spill: Mop and pick up the material and place in an appropriate waste disposal container. Soak up with inert absorbent material and dispose of as hazardous waste. Finish cleaning by spreading water on the contaminated surface and dispose of according to local and regional authority requirements.
Large Spill: Contain spilled material. Cover with an inert, non-combustible absorbent material, (e.g., sand, earth, diatomaceous earth, vermiculite). Avoid mist formation. Wear full protective equipment and ensure proper ventilation. Keep away from heat. Keep away from sources of ignition. Provide ventilation. Vacuum or sweep up and remove to an approved disposal container. Contact Environment Agency.

Precautions for safe handling: Keep away from heat and source of fire preferably in a ventilated area. Apply according to good manufacturing and industrial hygiene practices. Ensure proper ventilation. Wash thoroughly after handling. Do not drink, eat, or smoke while handling. Avoid contact with skin, eyes, and clothing. Minimize dust generation. Avoid breathing dust/fumes/gas/mist/vapors/spray. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Prevent any contact with hot surfaces.
Conditions for safe storage, including any incompatibilities: Store in cool, dry, and ventilated area away from heat sources and protected from sunlight in tightly closed original container. Keep air contact to a minimum. Keep locked up in tightly closed container. Do not leave the material container open. Store protected from heat, sparks and ignition sources and incompatible materials. Do not ingest. Avoid contact with skin and eyes. Avoid inhalation of dust/mist/vapor. Do not store with incompatible materials like oxidizing agents, strong bases, strong acids, powdered metals, acid anhydrides, acid chlorides. Containers may be hazardous when empty since they retain product residues. Do not store near food items.

Airborne Exposure Limits: Not established. Better keep it low.
Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures as low as possible. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area. Please refer to the ACGIH document, Industrial Ventilation, A Manual of Recommended Practices, most recent edition, for details.
Personal Respirators (NIOSH Approved): For conditions of use where exposure to the substance is apparent and engineering controls are not feasible, consult an industrial hygienist. For emergencies, or instances where the exposure levels are not known, use a full-face piece positive-pressure, air-supplied respirator. WARNING: Air purifying respirators do not protect workers in oxygen-deficient atmospheres.
Skin Protection: Wear impervious protective clothing, including boots, gloves, lab coat, apron, or coveralls, as appropriate, to prevent skin contact.
Eye Protection: Use chemical safety goggles and/or a full-face shield where splashing is possible. Maintain eye wash fountain and quick-drench facilities in work area.
Other Control Measures: Maintain good housekeeping in work area. Dust deposits on floors and other surfaces may pick up moisture and cause the surfaces to become slippery and present safety hazards. Handle in accordance with good industrial hygiene and safety practice. Wash hands after handling.

Appearance: White to light-yellow solid. Hygroscopic.
Odor: Not available.
Odor threshold: Not available.
pH: Not available.
Relative density: around 1.1
Melting point/freezing point: 53C-58C literature.
Initial boiling point and boiling range: 238C decomposes literature.
Flash point: 152C literature.
Auto-ignition temperature: 335C.
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: Soluble in water. Very soluble in ethanol, acetone, methanol.
Viscosity: Not available.
Molecular Weight: 86.09
Chemical Formula: C4H6O2 or OHCH2CCCH2OH

Stability: Stable under ordinary conditions of use and storage.
Hazardous Decomposition Products: Carbon dioxide, carbon monoxide and toxic fumes may form when heated to decomposition.
Hazardous Polymerization: Not reported.
Incompatibilities: Strong oxidizing agents, strong bases, strong acids, powdered metals, acid anhydrides, acid chlorides.
Conditions to Avoid: Heat, flames, ignition sources and incompatibles.

LD50 Oral Rat: 176 mg/kg.
LD50 Dermal Rat: 659 mg/kg.
LD50 Inhalation Rat: 0.69 mg/L/4h
Carcinogenicity: No component of this product present at levels greater than or equal to 0.1% is identified as possible or confirmed human carcinogen by IARC, ACGIH, OSHA and NTP.
Teratogenic Effects: Not available.
Mutagenic Effects: Not available.
Developmental Toxicity: Not available.
Reproductive Effects: No information available.

Toxicity to fish: 49.3 - 58.3 mg/L LC50 96 h freshwater fish.
Toxicity to daphnia and other aquatic invertebrates: static test EC50 - Ceriodaphnia dubia (water flea) - 3,1 mg/l - 48 h.
Persistence and Degradability: Unlikely to persist due to water solubility.
Mobility: Likely to be mobile due to water solubility.
Bioaccumulation/ Accumulation: No information available.
Results of PBT and vPvB assessment: No data available for assessment.

Whatever cannot be saved for recovery or recycling should be managed in an appropriate and approved waste disposal facility. Processing use or contamination of this product may change the waste management options. State and local disposal regulations may differ from federal disposal regulations. Dispose of container and unused contents in accordance with federal, state, and local requirements.

DOT USA, TDG Canada & ADR/RID Europe:
UN Number: 2716
Proper shipping name: 1,4-Butynedio
Class: 6.1; Packing group: III.
IMDG/IMO & IATA/ICAO:
UN Number: 2716
Proper shipping name: 1,4-Butynedio
Class: 6.1; Packing group: III.

USA:
SARA 311/312 Hazards: Acute Health Hazard, Chronic Health Hazard. See section 2.

European Labeling in Accordance with EC Directives:
H301 + H331 Toxic if swallowed or if inhaled.
H312 Harmful in contact with skin.
H314 Causes severe skin burns and eye damage.
H317 May cause an allergic skin reaction.
H373 May cause damage to organs (Nervous system, Kidney, Liver, Skin) through prolonged or repeated exposure.

Disclaimer:
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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.
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