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Chemical Name: 2-Naphthol
Common Synonyms: beta-Naphthol, 2-Hydroxynaphthalene
Chemical Formula: C10H8O
Appearance: White to light tan crystalline powder, faint phenolic odor
Basic Use: Dye intermediate, antioxidants, rubber chemicals, chemical synthesis
Health Hazards: Can irritate eyes, skin, and respiratory tract; harmful if swallowed; risk of more serious toxicity after prolonged or repeated contact
Flammability: Combustible solid, risk increases with dust accumulation
Environmental Hazards: Harmful to aquatic life, potential for longer-term hazards in water systems
Signal Pictogram: Exclamation mark (irritant), Health hazard symbol
Main Ingredient: 2-Naphthol, purity typically above 98% for reagent-grade applications
Impurities: Trace levels of naphthalene, 1-naphthol possible
Inhalation: Move to fresh air, monitor breathing; seek medical attention if symptoms persist
Skin Contact: Wash affected area with soap and plenty of water, remove contaminated clothing
Eye Contact: Rinse cautiously with water for several minutes, remove contacts if possible
Ingestion: Rinse mouth, do not induce vomiting; medical help is important
Proper Extinguishing Media: Use water spray, foam, dry powder, carbon dioxide for fires involving this chemical
Fire Hazards: Dust may form explosive mixture with air
Special Equipment: Firefighters should gear up with self-contained breathing apparatus
Decomposition Concerns: Burning can produce carbon monoxide, carbon dioxide, and other toxic vapors
Personal Precautions: Wear suitable protective gear to prevent inhalation or skin contact
Environmental Precautions: Prevent entry to drains, waterways, or soil
Cleanup Methods: Sweep up without creating dust, contain in suitable containers for proper disposal
Safe Handling: Use in well-ventilated spaces, keep away from ignition sources, avoid raising dust
Training: Workers benefit from basic hazardous materials training
Storage Requirements: Store in tightly closed containers, dry and cool location, segregate from strong oxidizers
Occupational Exposure Limit: OSHA and ACGIH recommend limit at 1 mg/m³ (TWA)
Ventilation: Local exhaust where dust or vapors form
Personal Protection: Protective gloves, goggles; in higher concentrations, use suitable respirators
Hygiene: Wash hands thoroughly after handling
Physical State: Solid, crystalline
Color: White or light tan
Melting Point: Around 121°C
Boiling Point: Near 285°C
Water Solubility: Slightly soluble
Odor: Faintly phenolic
Other Features: Dissolves better in alcohol, ether, or benzene
Chemical Stability: Stable under normal temperature and conditions
Materials to Avoid: Strong oxidizers, acids, certain reducing agents
Hazardous Reactions: Avoid dust buildup, open flames; can form peroxides with time
Decomposition Products: Carbon monoxide, carbon dioxide, phenolic compounds
Routes of Exposure: Inhalation, skin contact, ingestion, eye contact
Short-Term Effects: Eye and skin irritation, cough, headache
Long-Term Effects: Prolonged exposure brings risk of damage to kidneys, liver
Toxicity Data: Oral rat LD50: roughly 1960 mg/kg
Potential Carcinogenicity: Not known as a human carcinogen by major health agencies; some studies suggest attention for long-term effects
Aquatic Toxicity: Harmful to aquatic life
Persistence and Degradation: Degrades slowly in environment, can accumulate in sediments
Bioaccumulation: Potential for build-up in living organisms, particularly in aquatic systems
Waste Treatment Methods: Collect residues, avoid landfill and sewer disposal unless fully treated
Incineration: Permitted at facilities equipped for hazardous organics
Regulatory Compliance: Local regulations shape disposal methods, consult with certified waste handlers
Proper Shipping Name: 2-Naphthol, solid
Hazard Class: Usually shipped as non-hazardous for small quantities, but regulatory requirements can vary
Packaging Group: Typically flexible depending on concentration and quantities
Precautions for Transport: Keep away from incompatible substances, moisture, and heat sources
OSHA Status: Regulated as hazardous under chemical safety laws
TSCA Status: Listed for commercial and research use
International Inventories: Listed under global chemical inventories like EC and ENCS
Labeling: Safety labeling required showing hazard and precautionary statements
