2,4-Dinitrophenylhydrazine or DNPH Manufacturers, with SDS GHS MSDS Sheet

Supplier, Manufacturer, Exporter of 2,4-Dinitrophenylhydrazine or DNPH, 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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2,4-Dinitrophenylhydrazine or DNPH CAS Number 119-26-6, EINECS EC Number: 204-309-3, Molecular Formula: C6H6N4O4, Molecular Weight: 198.14, HS Code 29280090

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SDS MSDS Sheet of 2,4-Dinitrophenylhydrazine or DNPH Manufacturers

DNPH Suppliers
2,4-Dinitrophenylhydrazine or DNPH

2,4-Dinitrophenylhydrazine or DNPH is a red to orange solid. It is relatively sensitive to shock and friction. For this reason, DNPH is usually handled as a wet powder. DNPH is used as a reagent in instructional laboratories on qualitative organic analysis.

General Properties and Specifications of 2,4-Dinitrophenylhydrazine or DNPH:
Appearance: Orange to red crystalline compound moistioned with water for desensitized material.
Assay (On dry basis): 99% minimum. Generally, contains 33% water.
Insoluble matter in sulfuric acid: 0.01% maximum.
Melting Point: 198C to 203C.
Loss on drying: ~30% for desensitized material.
Sulfated Ash: 0.02% maximum.
Solubility: Slightly soluble in water.

We also manufacture and supply as under:


Hydrazine Hydrate

Hydrazine Sulfate or Hydrazinium Hydrogensulfate

Meta Nitro Para Toluidine

4-Nitrophenyl phosphate disodium salt hexahydrate


2,4-Dinitrophenylhydrazine or DNPH


Phenethyl Alcohol, 2-Phenyl Ethanol

Phenylhydrazine Hydrochloride

3,5-Dinitrosalicylic Acid

4-Sulfonamido Phenylhydrazine Hydrochloride.


Ambernath Mumbai, Ankleshwar Gujarat, India
TEL: (OFFICE) +912223770100, +912223726950
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Last 29 May, 2024

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2,4-Dinitrophenylhydrazine or DNPH desensitized with water SDS, Safety Data Sheet
MSDS, Material Safety Data Sheet


Product Name & Other Names: 2,4-Dinitrophenylhydrazine or DNPH desensitized with water.
CAS Number: 119-26-6 for the active.
EINECS EC Number: 204-309-3 for the active.
Molecular Formula: C6H6N4O4 for the active.
Molecular Weight: 198.14 for the active.
Relevant uses and uses advised against (if any): Industrial Manufacturing.
Supplier: As per the letterhead.


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

Desensitized explosives (Category 1), H206
Acute toxicity, oral (Category 4), H302
Serious eye damage/eye irritation (Category 2B) H319

Labeling according to GHS USA & Regulation (EC) No 1272/2008

GHS Label Elements
Flammable Solids

GHS Label Elements

Signal Words: Danger

Hazard statements:
H206: Fire, blast, or projection hazard; increased risk of explosion if desensitizing agent is reduced.
H302: Harmful if swallowed.
H319: Causes serious eye irritation.

Precautionary statements:
P210: Keep away from heat/sparks/open flames/hot surfaces – No smoking.
P240: Ground/bond container and receiving equipment.
P241: Use explosion-proof electrical/ventilating/light/…/equipment.
P261: Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray.
P262: Do not get in eyes, on skin, or on clothing.
P270: Do not eat, drink or smoke when using this product.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P330: Rinse mouth.
P301+P312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
P302+P352: IF ON SKIN: Wash with soap and water.
P304+340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P370+378: In case of fire: Use water spray, alcohol-resistant foam, dry chemical, or carbon dioxide for extinction.

Classification according to European Directive 67/548/EEC as amended:
Hazard symbol:
F Flammable
Xn Harmful
Xi Irritant.
R22 Harmful if swallowed.
R36 Irritating to eyes.


Ingredient I: 2,4-Dinitrophenylhydrazine or DNPH.
CAS Number: 119-26-6
EINECS EC Number: 204-309-3
Percentage: 65 to 70%
Ingredient II: Water
CAS Number: 7732-18-5
EINECS EC Number: 231-791-2
Percentage: 30 to 35%


Always seek medical attention after first aid measures are provided.

Eye Contact: Do not allow victim to rub eyes. Let the eyes water naturally for a few minutes. If particle/dust does not dislodge gently flowing water for 5 minutes or until particle/dust is removed, while holding eyelid open. If irritation persists, obtain medical attention. DO NOT attempt to manually remove anything stuck to the eye.
Skin Contact: Remove contaminated clothing, shoes, and leather goods (e.g., watchbands, belts). Quickly and gently blot or brush away excess chemical. Wash gently and thoroughly with gently flowing water and non-abrasive soap for 5 minutes. If irritation persists, repeat flushing. Obtain medical advice.
Inhalation: Remove source of contamination or move victim to fresh air. Obtain medical advice.
Ingestion: Never give anything by mouth if victim is rapidly losing consciousness or is unconscious. Have the victim rinse their mouth thoroughly with water. DO NOT INDUCE VOMITING.
Notes to Physician: Treat symptomatically.


Fire and Explosion Hazards: Flammable Solids.
Extinguishing Media: Use means of extinction appropriate for the surrounding fire conditions such as water spray, carbon dioxide, dry chemical, or foam.
Fire Fighting: Toxic fumes may result from combustion. As with any fire, fire fighters should be fully trained and wear full protective clothing including an approved, self-contained breathing apparatus which supplies a positive air pressure within a full-face piece mask. Avoid water solid stream directly on material. Do not allow water run-off to enter sewers or watercourses. Use water spray to cool unopened containers.
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.


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: Do not inhale dust, vapors, mist, or gas. Avoid dust formation. Contain spilled material. Cover with an inert, non-combustible absorbent material, (e.g., sand, earth, diatomaceous earth, vermiculite). Use a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading water on the contaminated surface and allow to evacuate as per law.
Special hazards arising from the substance or mixture: Nitrogen oxides, carbon oxides, and fumes.


Precautions for safe handling: Apply according to good manufacturing and industrial hygiene practices. Ensure proper ventilation. In case of insufficient ventilation, wear suitable respiratory equipment. 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. 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. Store protected from heat, sparks and ignition sources and incompatible materials. Avoid contact with skin and eyes. Avoid inhalation of dust/mist/vapor. Do not store with incompatible materials like strong oxidizing agents, reducing agents, combustible substances. Keep away from sources of ignition - No smoking. Take measures to prevent the build-up of electrostatic charge. Refrain from eating, drinking, or smoking in work areas.


Control Parameters: Contains no components with established occupational exposure limits.
Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures as low as possible. Local exhaust ventilation is preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area.
Personal Respirators (NIOSH Approved): For conditions of use where exposure to dust or mist is apparent and engineering controls are not feasible, a particulate respirator may be worn. For emergencies or instances where the exposure levels are not known, use a full-face positive-pressure, air-supplied respirator.
Skin Protection: Wear protective gloves and clean body-covering clothing.
Eye Protection: Use chemical safety goggles and/or full-face shield where dusting or splashing of solutions 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: Orange to red crystalline compound.
Odor: Not available.
Odor threshold: Not available.
pH: Not available.
Relative density: Not available.
Melting point/freezing point: 198C to 203C.
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: Slightly soluble in water.
Viscosity: Not available.
Molecular Formula: C6H6N4O4 for the active.
Molecular Weight: 198.14 for the active.


Stability and Reactivity: It is stable and not considered reactive under normal temperatures and pressures. Hazardous polymerization or runaway reactions will not occur.
Incompatibilities: Strong Oxidizing agents, reducing agents, combustible substances.
Hazardous Decomposition Products: High temperature operations will generate nitrogen oxides, carbon oxides, and fumes.
Conditions to Avoid: May be shock-sensitive if dry. Heat, flames, and sparks.


Acute Toxicity Oral: Oral LD50 = 654 mg/kg ( Rat ) for the active.
Carcinogenicity: IARC: No component of this product present at levels greater than or equal to 0.1% is identified as probable, possible, or confirmed human carcinogen by IARC.
Mutagenic Effects: Not available.
Teratogenic Effects: Not available.
Developmental Toxicity: Not available.
Other Adverse Effects: The toxicological properties have not been fully investigated.


Eco toxicological data:
Toxicity to fish: Not available.
Toxicity to daphnia and other aquatic invertebrates: Not available.
Results of PBT and vPvB assessment: Not available.
Persistence and Degradability: Insoluble in water May persist
Bioaccumulation/ Accumulation: No information available.
Mobility: Is not likely mobile in the environment due its low water solubility.


Do not wash the material down drain. Put uncontaminated material back into the process if possible. Place contaminated material in suitable, labeled containers for disposal. Dispose of waste material consistent with the requirements of waste disposal authorities.


UN Number: 3380; Transport hazard class(es): 4.1; Packaging group: I.
UN proper shipping name: Desensitized explosive, solid, n.o.s. (2,4-Dinitrophenylhydrazine).
UN Number: 3380; Transport hazard class(es): 4.1; Packaging group: I.
UN proper shipping name: Desensitized explosive, solid, n.o.s. (2,4-Dinitrophenylhydrazine).
UN Number: 3380; Transport hazard class(es): 4.1; Packaging group: I.
UN proper shipping name: Desensitized explosive, solid, n.o.s. (2,4-Dinitrophenylhydrazine).


USA Regulations:
SARA 311/312 Hazards: Fire Hazard, Acute Health Hazard
California Prop. 65 Components: This product does not contain any chemicals known to the State of California to cause cancer, birth defects, or any other reproductive harm.


European Labeling in Accordance with EC Directives:
H206: Fire, blast, or projection hazard; increased risk of explosion if desensitizing agent is reduced.
H302: Harmful if swallowed.
H319: Causes serious eye irritation.

Classification according to European Directive 67/548/EEC as amended:
Hazard symbol:
F Flammable
Xn Harmful
Xi Irritant.
R22 Harmful if swallowed.
R36 Irritating to eyes.

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.