Product Name: Tetramethyl-1,4-Benzoquinone
Chemical Formula: C10H12O2
Synonyms: Durquinone, 2,3,5,6-Tetramethylbenzoquinone
CAS Number: 527-17-3
Recommended Uses: Laboratory chemical, chemical synthesis
Manufacturer/Supplier: Refer to container or supplier information
Emergency Contact: Local poison center or fire department
GHS Classification: Acute Toxicity (Oral, Dermal, Inhalation), Skin Corrosion/Irritation, Eye Damage/Irritation
Pictograms: Skull and Crossbones, Exclamation Mark, Corrosion
Signal Word: Danger
Hazard Statements: Harmful if swallowed, causes skin irritation, causes serious eye damage, may cause respiratory irritation
Precautionary Statements: Wear protective gloves and clothing, avoid breathing dust, wash thoroughly after handling, seek medical attention after exposure
Symptoms: Irritation to skin, eyes, and respiratory tract, headaches, nausea
Chemical Name: Tetramethyl-1,4-Benzoquinone
Concentration: 98–100%
Impurities: Less than 2% unidentified organics
Molecular Weight: 164.20 g/mol
Inhalation: Move person to fresh air, keep at rest, seek medical attention if symptoms develop
Skin Contact: Remove contaminated clothing, wash skin thoroughly with soap and water, consult physician
Eye Contact: Rinse eyes cautiously with water for several minutes, remove contact lenses if present, continue rinsing, seek medical advice
Ingestion: Rinse mouth, do not induce vomiting, seek immediate medical attention
Most Important Symptoms: Severe eye irritation, skin rash, difficulty breathing, gastrointestinal discomfort
Suitable Extinguishing Media: Water spray, dry chemical, foam, carbon dioxide
Unsuitable Extinguishing Media: Do not use high-pressure streams that may spread product
Hazards from Combustion: Toxic fumes including carbon oxides released on burning
Protective Equipment: Firefighters wear self-contained breathing apparatus, full protective gear
Special Procedures: Avoid inhaling vapors, evacuate area if safe to do so, prevent runoff from entering drains
Personal Precautions: Evacuate area, ventilate, avoid dust generation, use appropriate PPE (gloves, goggles, mask)
Environmental Precautions: Prevent entry to sewers and waterways, avoid soil contamination
Cleanup Procedures: Sweep and place in appropriate container, dispose according to regulations, decontaminate area with detergent and water
Spill Response: For small amounts, absorb with inert material; for large spills, contain, collect, and contact authorities
Precautions for Safe Handling: Use in well-ventilated area, avoid contact with skin or eyes, avoid inhalation of dust, wash hands after handling
Storage Conditions: Keep container tightly closed in dry, cool, well-ventilated place, store away from oxidizers, acids, and heat sources
Incompatible Materials: Strong acids, bases, oxidizers, reducing agents
Safe Transfer Methods: Use tools and equipment that prevent spillage or generation of dust
Exposure Limits: No occupational exposure limits established, use standard dust control practices
Engineering Controls: Local exhaust ventilation, fume hood
Personal Protection Equipment: Chemical-resistant gloves (nitrile or latex), safety goggles, lab coat, respiratory protection for dust or aerosol exposure
Hygiene Measures: Wash hands before eating or drinking, remove contaminated clothing, avoid touching face
Appearance: Yellow to orange crystalline powder
Odor: Slight characteristic odor
Odor Threshold: Not established
Melting Point: 163–167°C
Boiling Point: Not available
Flammability: May burn if heated
Solubility: Slightly soluble in water, soluble in organic solvents such as ethanol and acetone
Density: 1.17 g/cm³
Vapor Pressure: Not determined
pH: Not applicable (solid)
Partition Coefficient (log Kow): Not available
Evaporation Rate: Not available
Chemical Stability: Stable under recommended storage conditions
Reactivity: May react with strong oxidizers and reducing agents
Conditions to Avoid: Exposure to moisture, heat, ignition sources
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, other toxic gases on decomposing
Polymerization: No hazardous polymerization expected
Acute Toxicity: Harmful if swallowed, inhaled, or absorbed through skin
Skin Irritation: Can cause redness, pain, blistering
Eye Irritation: Severe damage possible
Respiratory Effects: Coughing, shortness of breath, irritation of respiratory tract
Chronic Exposure: Prolonged or repeated exposure may cause dermatitis, lung effects
Carcinogenicity: No classification according to available information
Additional Information: Individuals with allergies or pre-existing conditions may be more susceptible
Aquatic Toxicity: Harmful to aquatic organisms (consult local water discharge regulations)
Persistence and Degradability: Not readily biodegradable
Bioaccumulative Potential: Potential for bioaccumulation unknown
Mobility in Soil: Slight mobility expected
Other Adverse Effects: Avoid release to the environment
Product Disposal: Dispose in accordance with local, regional, national, and international regulations
Container Disposal: Empty containers may retain product residues, triple rinse before disposal, follow hazardous waste regulations
Recommended Disposal Method: Incineration in approved facility, do not landfill untreated material
Regulatory Waste Codes: Refer to specific jurisdiction requirements (e.g., RCRA in the U.S.)
UN Number: Not classified as dangerous goods for transport
Transport Hazard Class(es): Not regulated
Packing Group: Not applicable
Environmental Hazards: See ecological information
Transport Precautions: Avoid mechanical shock, breakage, spillage during transport
Special Provisions: Follow national and international transport regulations
Inventory Listings: Check national chemical inventories such as TSCA (US), EINECS (EU), DSL (Canada)
Labeling Requirements: Follow OSHA (US), GHS, or local compliance regulations
Risk Phrases: Harmful if swallowed, causes skin and eye irritation
Safety Phrases: Wear eye and face protection, keep out of reach of children
Other Regulations: Observe workplace and environmental protection laws, certification required for specific uses in certain countries
