2,4-Dinitrophenol
- CAS Number
- 51-28-5
- HSN Code
- 29089990
- Molecular Formula
- C6H4N2O5
- Catalogue Number
- AL1898
- Purity
- ≥ 97%
- Molecular Weight
- 184.11 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
2,4-dinitrophenol is a dinitrophenol having the nitro groups at the 2- and 4-positions. It has a role as a geroprotector, an antiseptic drug, an allergen, an oxidative phosphorylation inhibitor and a bacterial xenobiotic metabolite.
Also known as DNP.
- Catalogue No.
- AL1898
- CAS Number
- 51-28-5
- Molecular Formula
- C6H4N2O5
- Molecular Weight
- 184.11 g/mol
- HSN Code
- 29089990
- Grade
- 97%
- Product Form
- Substance
Melting point: 114.8 °C; Density: 1.683 g/cu cm at 24 °C; Solubility: Soluble in ethanol, ethyl ether, benzene, methanol.
- Appearance
- Pale yellow platelets or leaflets from water
- Shelf Life
- -
- Packaging
- Available in: 25 gm glass bottle, 100 gm glass bottle, 500 gm glass bottle
- Storage
- Fireproof. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing. Cool. Separated from combustible substances, reducing agents and food and feedstuffs.
1.1 — Product identifier
- Chemical Name
- 2,4-Dinitrophenol
- Catalogue No.
- AL1898
- Product form
- Substance
- CAS Number
- 51-28-5
- EC Number
- 200-087-7
- Grade
- 97%
- EC Index Number
- N/A
- Chemical Formula
- C6H4N2O5
- HSN Code
- 29089990
- Synonyms
- DNP
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Research reagent, metabolic uncoupling agent
- Uses advised against
- Not specified
1.3 — Details of the supplier of the safety data sheet
- Company identification
- Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 — Emergency Contact Details
- Phone / e-Mail
- Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
2.1 — Classification of the substance or mixture
- Classification according to Regulation (EC) No 1272/2008
- Acute Tox. 2; Acute Tox. 3; STOT RE 2; Aquatic Acute 1
- Classification source
- ECHA C&L Inventory via PubChem CID 1493 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Acute Toxic, Health Hazard, Environmental Hazard
- Signal word
- Danger
- Hazard statements
- H300: Fatal if swallowed; H311: Toxic in contact with skin; H331: Toxic if inhaled; H373: May causes damage to organs through prolonged or repeated exposure; H400: Very toxic to aquatic life
2.3 — Other hazards
- Other hazards
- Highly toxic and explosive when dry.
3.1 — Substance
- Name
- 2,4-Dinitrophenol
- CAS No.
- 51-28-5
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. Seek medical attention if symptoms persist.
- First-aid measures after skin contact
- IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water.
- First-aid measures after eye contact
- First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center.
- First-aid measures after ingestion
- Do not induce vomiting. Rinse mouth and seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Headache, dizziness, nausea, vomiting, and potential respiratory distress.
4.3 — Indication of any immediate medical attention and special treatment needed
- General information
- Treat symptomatically. Show this safety data sheet to the treating physician.
5.1 — Extinguishing media
- Suitable extinguishing media
- Water spray, carbon dioxide, dry chemical powder, foam.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- The primary hazard is from blast effect where the entire load can explode instantaneously and not from flying projectiles and fragments.
5.3 — Advice for firefighters
- Protection during firefighting
- Do not enter fire area without proper protective equipment, including respiratory protection.
6.1.1 — For non-emergency personnel
- Emergency procedures
- Evacuate area and ventilate. Wear appropriate protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Evacuate danger area! Consult an expert! Personal protection: complete protective clothing including self-contained breathing apparatus. Do not allow to dry out. Do NOT let this chemical enter the environment. Sweep spilled substance into containers.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Handle with strict PPE; avoid heat and shock.
- Hygiene measures
- Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 — Conditions for safe storage, including any incompatibilities
- Storage conditions
- Fireproof. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing. Cool. Separated from combustible substances, reducing agents and food and feedstuffs.
8.2 — Exposure controls
- Hand protection
- Protective gloves (e.g. nitrile rubber)
- Eye protection
- Chemical safety goggles or safety glasses
- Skin and body protection
- Wear suitable protective clothing
- Respiratory protection
- Use appropriate respiratory protection if dust or vapors are generated.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- Yellow
- Odour
- Slightly aromatic
- Odour threshold
- Not specified
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- 114.8 °C
- Freezing point
- Not applicable
- Boiling point
- Not specified
- Flash point
- Not specified
- Auto-ignition temperature
- Not specified
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Flammable solid
- Vapour pressure
- 3.9X10-4 mm Hg at 20 °C
- Relative vapour density at 20°C
- 6.35 (Air = 1)
- Density
- 1.683 g/cu cm at 24 °C
- Solubility
- Soluble in ethanol, ethyl ether, benzene, methanol
- Log Pow
- 1.67
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Explosive when dry
- Oxidising properties
- Not specified
- Explosive limits
- Not specified
10.1 — Reactivity
- Reactivity
- Reacts with strong oxidizing agents.
10.2 — Chemical stability
- Chemical stability
- Appear to be stable in acid solution, but are susceptible to decomposition by UV radiation in alkaline solutions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- May decompose explosively on shock, friction or concussion. May explode on heating. Mixtures with alkalis, ammonia and most metals are shock-sensitive.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong oxidizers, strong acids, and bases.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- When heated to decomposition it emits toxic fumes of nitroxides.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 30 mg/kg; LD50 Rat male weanling oral 71 mg/kg; LD50 Rat ip 28.5 to 35 mg/kg
- Skin corrosion/irritation
- Not classified (based on available data)
- Serious eye damage/irritation
- Not classified (based on available data)
- Respiratory or skin sensitisation
- Not classified (based on available data)
- Germ cell mutagenicity
- Not classified (based on available data)
- Carcinogenicity
- Not classified (based on available data)
- Specific target organ toxicity (single exposure)
- Not classified (based on available data)
- Specific target organ toxicity (repeated exposure)
- H373: May causes damage to organs through prolonged or repeated exposure
12.1 — Toxicity
- Toxicity information
- Not specified
12.2 — Persistence - degradability
- Persistence - degradability
- Not specified
12.3 — Bioaccumulative potential
- Bioaccumulative potential
- Not specified
12.4 — Mobility in soil
- Mobility in soil
- Not specified
12.6 — Other adverse effects
- Environmental precautions
- Not specified
13.1 — Waste treatment methods
- Additional Info
- Dispose of contents/container in accordance with local, regional, national and international regulations.
14.1 — UN number
- UN-No. (ADR)
- 1320
- UN-No. (IMDG)
- 1320
- UN-No. (IATA)
- 1320
- UN-No. (ADN)
- 1320
- UN-No. (RID)
- 1320
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- 2,4-Dinitrophenol
- Proper Shipping Name (IMDG)
- 2,4-Dinitrophenol
- Proper Shipping Name (IATA)
- 2,4-Dinitrophenol
- Proper Shipping Name (ADN)
- 2,4-Dinitrophenol
- Proper Shipping Name (RID)
- 2,4-Dinitrophenol
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 4.1 (6.1)
14.4 — Packing group
- Packing group (ADR)
- I
- Packing group (IMDG)
- I
- Packing group (IATA)
- I
- Packing group (ADN)
- I
- Packing group (RID)
- I
14.5 — Environmental hazards
- Dangerous for the environment
- Not specified
- Marine pollutant
- Not specified
- Other information
- No supplementary information available
15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture
- 15.1.1 EU-Regulations
- Not specified
Used as a classic mitochondrial uncoupling agent in metabolic/bioenergetics research.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL0639B
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 184.11 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 97% | 98.5% |
| Moisture Content | ≤ 0.5% | 0.3% |
| Residue on Ignition | ≤ 0.1% | 0.05% |
| Related Substances | None detected | None detected |
| Solubility | Slightly soluble in water | Slightly soluble in water |
The above product is expected to comply with 97% grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 97% | ≥ 97% | m.p. 114.8 °C | ≤ 0.5% | ≤ 0.1% | None detected | Soluble in ethanol, ethyl ether, benzene, methanol |
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