Product Name: 2,3-Dichloro-5,6-Dicyano-1,4-Benzoquinone
Synonyms: DDQ
Chemical Formula: C6Cl2N2O2
CAS Number: 84-58-2
Recommended Use: Organic synthesis, oxidizing agent
Manufacturer: [Supplier contact information available on request]
Emergency Contact: [Company emergency phone]
GHS Classification: Acute Toxicity (Oral) Category 3, Skin Irritation Category 2, Eye Irritation Category 2A, Specific Target Organ Toxicity (single exposure) Category 3
Hazard Statements: Toxic if swallowed; causes skin and eye irritation; may cause respiratory irritation
Pictograms: Skull and crossbones, exclamation mark
Signal Word: Danger
Precautionary Statements: Avoid breathing dust; wash hands thoroughly after handling; use protective gloves and eye protection; do not eat, drink or smoke when using this product; take care to avoid release to environment
Chemical Name: 2,3-Dichloro-5,6-Dicyano-1,4-Benzoquinone
Concentration: 98-100%
Impurities: Usually contains trace amounts of related halo-quinones, content below 2%
Molecular Weight: 227.99 g/mol
EINECS Number: 201-537-2
Inhalation: Move person to fresh air, keep them at rest in a position comfortable for breathing, seek immediate medical attention if symptoms develop such as coughing or throat irritation
Skin Contact: Rinse skin with plenty of water and soap, remove contaminated clothing and wash before reuse, see a doctor if irritation persists
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present and easy to do, continue rinsing, contact a physician immediately
Ingestion: Rinse mouth thoroughly, do not induce vomiting, seek medical advice right away
Most Important Symptoms/Effects: Shortness of breath, sore throat, eye redness, blistering on skin in severe cases
Suitable Extinguishing Agents: Carbon dioxide, dry chemical, foam, water spray for cooling containers
Unsuitable Extinguishing Agents: Avoid direct water stream due to risk of chemical run-off
Specific Hazards: Forms toxic and corrosive gases (hydrogen chloride, cyanide compounds) under fire conditions
Protective Equipment: Full protective clothing and self-contained breathing apparatus required
Advice for Firefighters: Stay upwind, remove containers from fire if it can be done safely, contain contaminated water
Personal Precautions: Wear approved respirator, chemical-resistant gloves, safety goggles, and protective clothing
Environmental Precautions: Prevent spillage from entering drains or watercourses, keep away from soil and vegetation
Containment: Sweep up without creating dust, place in a sealed container for disposal
Cleanup Methods: Wash spill site after material pickup is complete, use inert absorbent in case of liquid contamination
Safe Handling: Prevent contact with eyes, skin, and clothing, use only in a chemical fume hood or well-ventilated place, avoid inhaling dust
Storage Conditions: Keep in tightly closed container, store in cool, dry, well-ventilated area away from incompatible materials like strong reducing agents, acids, and bases
Incompatible Materials: Strong bases, alkali metals, reducing agents, flammable substances
Special Storage Considerations: Store away from direct sunlight, sources of ignition, and moisture, segregate from food and feedstuffs
Occupational Exposure Limits: No established OSHA PEL or ACGIH TLV
Engineering Controls: Use local exhaust ventilation to keep airborne concentrations below exposure limits
Personal Protective Equipment: Chemical-resistant gloves (nitrile, neoprene), splash-proof goggles, laboratory coat or coveralls, dust mask or respirator (NIOSH-approved), safety shoes
Hygiene Measures: Wash hands before breaks and immediately after handling the product, do not eat, drink, or smoke where chemicals are used
Appearance: Yellow to orange crystalline powder
Odor: Faint, characteristic
Odor Threshold: Not available
pH: Not applicable (product is non-aqueous solid)
Melting Point: 213-216°C
Boiling Point: Decomposes before boiling
Solubility: Sparingly soluble in water, soluble in polar organic solvents like acetone, ether, chloroform
Vapor Pressure: Negligible at room temperature
Density: About 1.65 g/cm³
Partition Coefficient: Not available
Decomposition Temperature: Degrades with evolution of toxic fumes above 200°C
Flash Point: Not flammable
Chemical Stability: Chemically stable under recommended storage conditions
Reactivity: Powerful oxidizer, reacts violently with strong reducers, flammable materials, and alkali metals
Hazardous Reactions: Potential for hazardous polymerization is low, but may react with bases or reducing agents
Hazardous Decomposition Products: Hydrogen chloride, nitrogen oxides, carbon monoxide, cyanide compounds
Conditions to Avoid: Strong light, excessive heat, moisture, contact with incompatible substances
Acute Toxicity: Oral LD50 (rat): About 30 mg/kg (very toxic)
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Symptoms: Burning sensation, cough, sore throat, abdominal pain, nausea, vomiting, blisters, shortness of breath
Chronic Effects: Prolonged or repeated exposure may cause dermatitis, respiratory tract irritation
Carcinogenicity: No data suggesting carcinogenicity
Mutagenicity: Negative in standard Ames test, but may damage mucous membranes with chronic exposure
Reproductive Toxicity: No evidence in available studies
Ecotoxicity: Highly toxic to aquatic life, may cause long-term adverse effects in the aquatic environment
Mobility: Low mobility in soil due to low water solubility
Persistence and Degradability: Slowly biodegradable, persistent in the environment
Bioaccumulation Potential: Moderate due to log Kow, could accumulate in aquatic organisms
Other Adverse Effects: Toxic to algae, daphnia, fish; avoid release to waterways
Waste Disposal Methods: Dispose of in accordance with local, regional, national, and international regulations using a licensed chemical waste disposal contractor
Contaminated Packaging: Rinse containers before recycling or disposal, follow hazardous waste guidelines
Precautions: Neutralize unwanted small amounts with reducing agents in controlled lab settings, never dump chemical into sewer systems
Special Considerations: Do not dispose of with regular trash or laboratory glassware
UN Number: UN 2811
Proper Shipping Name: Toxic solid, organic, n.o.s. (contains 2,3-Dichloro-5,6-Dicyano-1,4-Benzoquinone)
Transport Hazard Class: 6.1 (Toxic substances)
Packing Group: II
Marine Pollutant: Yes
Transport Labels: Toxic, Marine Pollutant
Special Precautions: Keep away from food, strict packaging and handling as required by official transport codes
TSCA: Listed
EINECS: 201-537-2
SARA Title III: Not subject to reporting
California Proposition 65: Not listed
REACH: Not currently registered
Hazard Symbols: T (Toxic), Xi (Irritant), N (Dangerous for environment)
Other National/International Regulations: Subject to chemical control regulations in workplace safety standards, personal protective equipment requirements enforced in occupational settings, labeling and hazard communication per GHS standards
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