Product Name: Indole-5,6-Quinone
Chemical Formula: C8H5NO2
Synonyms: 5,6-Indolequinone, 5,6-dioxoindoline
Recommended Use: Laboratory chemical, research only
Manufacturer Information: Manufacturer address and emergency contact available on chemical supplier label
CAS Number: 1163-96-0
Supplier: Chemical distributor, laboratory supply company
Hazard Classification: Acute toxicity (oral), Skin corrosion/irritation, Serious eye damage/irritation, Specific target organ toxicity (single exposure)
Label Elements: Signal word: Warning; Hazard pictograms: Exclamation mark, Health hazard
Hazard Statements: Harmful if swallowed, Causes skin and eye irritation, May cause respiratory irritation
Precautionary Statements: Avoid breathing dust, Wash thoroughly after handling, Use only outdoors or in a well-ventilated area, Wear protective gloves and eye protection
Chemical Name: Indole-5,6-Quinone
Concentration: 98-100%
CAS Number: 1163-96-0
Impurities: Trace amounts of related indole derivatives, residual solvents from synthesis process
Additives: No intentional additives present
Inhalation: Remove person to fresh air, keep at rest, seek medical attention if symptoms persist such as coughing or breathing difficulty
Skin Contact: Immediately wash with plenty of soap and water, remove contaminated clothing, seek medical advice if skin irritation continues
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if easy to do, continue rinsing, consult medical assistance if irritation occurs
Ingestion: Rinse mouth immediately, do not induce vomiting, seek medical help or contact poison control
Symptoms: Irritation to mucous membranes, eyes, or skin; prolonged exposure may produce burns or severe discomfort
Suitable Extinguishing Media: Dry powder, foam, carbon dioxide, water spray
Unsuitable Media: Direct water jet
Specific Hazards: Emits toxic fumes of nitrogen oxides, carbon monoxide, carbon dioxide when burning
Protective Equipment for Firefighters: Self-contained breathing apparatus, full protective clothing
Special Procedures: Remove containers from danger zone if safe, prevent fire water from contaminating surface water or groundwater
Personal Precautions: Avoid dust, ventilate area, use personal protective equipment like gloves, goggles, and dust mask
Environmental Precautions: Prevent run-off into drains, surface waters, or soil
Cleanup Methods: Collect spilled material with non-sparking tools, place in suitable containers for disposal, wash affected area with water and detergent
Emergency Procedures: Restrict access to area until clean-up is complete, notify safety personnel
Safe Handling: Use in well-ventilated area, avoid contact with skin, eyes, and clothing, prevent formation of dust, do not eat or drink while handling
Conditions for Storage: Store in tightly closed containers, keep away from incompatible substances (oxidizing agents, acids, bases), store in cool, dry, and well-ventilated place, protect from light
Specific Uses: Use only as intended in research or analytical procedures
Engineering Controls: Use local exhaust ventilation, safety cabinet for weighing or transferring powders
Personal Protective Equipment: Gloves made of nitrile rubber, safety goggles or face shield, laboratory coat or apron, dust mask or respirator (P2 or equivalent)
Hygiene Measures: Wash hands before breaks and after handling chemical, do not eat, drink or smoke in work area
Exposure Limits: No established occupational exposure limits available for this specific compound, minimize exposure by all practical means
Appearance: Brown to dark purple crystalline powder
Odor: Mild, characteristic chemical odor
Odor Threshold: Not established
pH: Not applicable (insoluble in water)
Melting Point/Freezing Point: Approximately 235-240°C (decomposes)
Boiling Point: Not applicable (decomposes before boiling)
Flash Point: Not determined
Evaporation Rate: Not applicable
Flammability: Not classified as flammable, dust may form explosive mixture with air
Vapor Pressure: Negligible
Vapor Density: Not applicable
Solubility: Slightly soluble in ethanol, DMSO, insoluble in water
Partition coefficient (n-octanol/water): Not determined
Auto-ignition Temperature: Not determined
Decomposition Temperature: Above 235°C
Viscosity: Not applicable
Chemical Stability: Stable under recommended storage conditions
Reactivity: Can react with strong oxidizing or reducing agents
Conditions to Avoid: Extreme heat, sunlight, moisture, incompatible materials
Incompatible Materials: Strong acids, strong bases, oxidizing agents
Hazardous Decomposition Products: Carbon oxides, nitrogen oxides, toxic indole derivatives upon combustion or decomposition
Likely Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Toxicity: Harmful if ingested or absorbed through skin, may irritate respiratory tract
Skin Corrosion/Irritation: Irritating to skin, possible burns on prolonged contact
Serious Eye Damage/Irritation: Serious irritation, possible risk of permanent eye damage
Sensitization: Possible skin sensitizer on repeated exposure
Chronic Toxicity: No conclusive animal or human data available on chronic effects
Carcinogenicity: No component listed as a carcinogen by IARC, NTP, OSHA
Mutagenicity & Reproductive Toxicity: Data insufficient, handle with caution
Symptoms of Exposure: Redness, irritation, headache, dizziness, nausea, coughing
Ecotoxicity: No detailed data, likely to have moderate aquatic toxicity as an aromatic nitrogen compound
Persistence and Degradability: Likely slow to degrade in soil or water
Bioaccumulative Potential: Data lacking, aromatic compounds may accumulate in organisms
Mobility in Soil: Low water solubility suggests low mobility
Other Adverse Effects: Avoid release to environment, prevent contamination of groundwater, streams, or lakes during use and disposal
Waste Treatment Methods: Dispose of contents and container in accordance with local, state, and federal regulations
Waste Type: Hazardous chemical waste
Contaminated Packaging: Decontaminate containers before reuse, otherwise treat as hazardous waste
Special Precautions: Do not allow chemical or solutions to enter sewers or watercourses
Recommended Disposal Method: Incineration by licensed chemical disposal company, landfilling only as approved by authorities
UN Number: Not regulated for most transport modes
UN Proper Shipping Name: Chemical Not Otherwise Specified (if regulation applies)
Transport Hazard Class: Not assigned
Packing Group: Not assigned
Environmental Hazards: Avoid spillage into water systems
Special Precautions: Package securely, protect from sunlight and moisture
Transport in Bulk: Not regulated
US Regulations: Not listed on SARA Title III, TSCA inventory status to be checked before shipment
European Union: Substance subject to REACH registration if manufactured/imported above 1 ton per year
Hazard Communication: Complies with OSHA Hazard Communication Standard
Canada: Requires WHMIS labeling, not included on DSL/NDSL
Other International: Check compliance before import/export for destination country
Workplace Exposure Limits: No established OEL; use engineering controls as much as possible
Labeling Requirements: Use GHS hazard statements and symbols on all containers
