1-Chloro-2,4-dinitrobenzene
- CAS Number
- 97-00-7
- HSN Code
- 29042090
- Molecular Formula
- C6H3ClN2O4
- Catalogue Number
- AL1292
- Purity
- ≥ 98.5%
- Molecular Weight
- 202.55 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
1-chloro-2,4-dinitrobenzene is a C-nitro compound that is chlorobenzene carrying a nitro substituent at each of the 2- and 4-positions. It has a role as a sensitiser, an allergen and an epitope.
Also known as DNCB, 1-Chloro-2,4-dinitrobenzene.
- Catalogue No.
- AL1292
- CAS Number
- 97-00-7
- Molecular Formula
- C6H3ClN2O4
- Molecular Weight
- 202.55 g/mol
- HSN Code
- 29042090
- Grade
- 98.5% For Synthesis
- Product Form
- Substance
Melting point: 52-54 °C; Boiling point: 315 °C; Flash point: 382 °F (194 °C); Density: 1.7; Solubility: Soluble in ether, benzene, and carbon disulfide; sparingly soluble in cold, freely soluble in hot alcohol.
- Appearance
- Yellow crystals
- Shelf Life
- 2 years
- Packaging
- Available in: 500 gm plastic bottle
- Storage
- Fireproof. Separated from strong oxidants, strong bases, strong reducing agents, food and feedstuffs and ammonia. Store in an area without drain or sewer access.
1.1 — Product identifier
- Chemical Name
- 1-Chloro-2,4-dinitrobenzene
- Catalogue No.
- AL1292
- Product form
- Substance
- CAS Number
- 97-00-7
- EC Number
- 202-551-4
- Grade
- 98.5% For Synthesis
- EC Index Number
- N/A
- Chemical Formula
- C6H3ClN2O4
- HSN Code
- 29042090
- Synonyms
- DNCB, 1-Chloro-2,4-dinitrobenzene
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used in immunology research and as a synthetic intermediate.
- 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. 3; Acute Tox. 2; Skin Irrit. 2; Skin Sens. 1; Eye Dam. 1; STOT RE 2; Aquatic Acute 1; Aquatic Chronic 1
- Classification source
- ECHA C&L Inventory via PubChem CID 6 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Corrosive, Acute Toxic, Health Hazard, Environmental Hazard
- Signal word
- Danger
- Hazard statements
- H301+H331: Toxic if swallowed or if inhaled; H301: Toxic if swallowed; H310: Fatal in contact with skin; H315: Causes skin irritation; H317: May cause an allergic skin reaction; H318: Causes serious eye damage; H331: Toxic if inhaled; H373: May causes damage to organs through prolonged or repeated exposure; H400: Very toxic to aquatic life; H410: Very toxic to aquatic life with long lasting effects
2.3 — Other hazards
- Other hazards
- May cause allergic skin reactions.
3.1 — Substance
- Name
- 1-Chloro-2,4-dinitrobenzene
- CAS No.
- 97-00-7
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
- Wash with soap and water. Seek medical attention if irritation develops.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek medical attention if irritation persists.
- 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
- Symptoms of exposure may include skin irritation, respiratory distress, and allergic reactions.
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
- Toxic fumes may be released in a fire. Use water spray to cool containers.
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
- Personal protection: chemical protection suit including self-contained breathing apparatus. Do NOT let this chemical enter the environment. Vacuum with specialist equipment or carefully sweep into sealable containers. If appropriate, moisten first to prevent dusting.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Use personal protective equipment (PPE) and work in a fume hood. Avoid contact with skin and eyes.
- 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. Separated from strong oxidants, strong bases, strong reducing agents, food and feedstuffs and ammonia. Store in an area without drain or sewer access.
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 a NIOSH-approved respirator if exposure limits are exceeded.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- Pale yellow
- Odour
- Almond odor
- Odour threshold
- No data available
- pH value
- No data available
- Relative evaporation rate (butylacetate=1)
- No data available
- Melting point
- 52-54 °C
- Freezing point
- No data available
- Boiling point
- 315 °C
- Flash point
- 382 °F (194 °C)
- Auto-ignition temperature
- 432 °C
- Decomposition temperature
- No data available
- Flammability (solid, gas)
- Not flammable under normal conditions
- Vapour pressure
- 8.5X10-5 mm Hg at 25 °C
- Relative vapour density at 20°C
- 6.98 (Air = 1)
- Density
- 1.7
- Solubility
- Soluble in ether, benzene, and carbon disulfide; sparingly soluble in cold, freely soluble in hot alcohol
- Log Pow
- 2.17
- Viscosity, kinematic
- No data available
- Viscosity, dynamic
- No data available
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- No data available
10.1 — Reactivity
- Reactivity
- Stable under normal conditions, but may react with strong oxidizing agents.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- May decompose explosively on shock, friction or concussion. May explode on heating even in the absence of air. Reacts with strong oxidants and strong bases.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong oxidizing agents, strong acids.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 780 mg/kg; LD50 Rat ip 280 mg/kg; LD50 Rabbit skin 130 mg/kg
- Skin corrosion/irritation
- H315: Causes skin irritation
- Serious eye damage/irritation
- H318: Causes serious eye damage
- Respiratory or skin sensitisation
- H317: May cause an allergic skin reaction
- 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)
- UN 3441
- UN-No. (IMDG)
- UN 3441
- UN-No. (IATA)
- UN 3441
- UN-No. (ADN)
- UN 3441
- UN-No. (RID)
- UN 3441
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- 1-Chloro-2,4-dinitrobenzene
- Proper Shipping Name (IMDG)
- 1-Chloro-2,4-dinitrobenzene
- Proper Shipping Name (IATA)
- 1-Chloro-2,4-dinitrobenzene
- Proper Shipping Name (ADN)
- 1-Chloro-2,4-dinitrobenzene
- Proper Shipping Name (RID)
- 1-Chloro-2,4-dinitrobenzene
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 6.1
14.4 — Packing group
- Packing group (ADR)
- II
- Packing group (IMDG)
- II
- Packing group (IATA)
- II
- Packing group (ADN)
- II
- Packing group (RID)
- II
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 contact-sensitizing agent in immunology research and as a synthetic intermediate in dye chemistry.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL00453
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 202.55 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 98.5% | 99.0% |
| Melting Point | 70-72 °C | 71 °C |
| Moisture Content | ≤ 0.5% | 0.3% |
| Residue on Ignition | ≤ 0.1% | 0.05% |
| Related Substances | None detected | None detected |
| Solubility | Insoluble in water | Insoluble in water, soluble in ethanol. |
The above product is expected to comply with 98.5% For Synthesis grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 98.5% For Synthesis | ≥ 98.5% | m.p. 52-54 °C; b.p. 315 °C | ≤ 0.5% | ≤ 0.1% | None detected | Soluble in ether, benzene, and carbon disulfide; sparingly soluble in cold, freely soluble in hot alcohol |
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