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Product Name: Butylated Hydroxyanisole
Common Names: BHA
Chemical Formula: C11H16O2
CAS Number: 25013-16-5
Synonyms: 2- and 3-tert-Butyl-4-hydroxyanisole
Recommended Use: Food preservative, antioxidant additive for foods, cosmetics, and pharmaceuticals
Manufacturer Contact: Company name, emergency phone, and address on shipping label
Emergency Phone: Local poison control, fire department, manufacturer hotline
Classification: Not classified as dangerous under GHS for physical hazards, moderate health hazard
Signal Word: Warning
Hazard Statements: Irritant to eyes, skin, and respiratory tract; may cause allergic skin reaction; possible risk of carcinogenicity based on animal data
Pictogram: Exclamation mark
Precautionary Statements: Avoid inhalation and contact with skin and eyes; wash hands thoroughly after handling; wear protective gear
Chemical Name: Butylated Hydroxyanisole
Concentration: 98-100%
Impurities: Trace amounts of related phenolic compounds
Molecular Weight: 180.25 g/mol
Inhalation: Move person to fresh air; support breathing as needed; seek medical attention if symptoms develop
Skin Contact: Rinse skin under running water for at least 15 minutes; remove contaminated clothing; if irritation persists, seek medical attention
Eye Contact: Rinse eyes with plenty of water for at least 15 minutes; remove contact lenses; seek medical assistance for continued discomfort
Ingestion: Rinse mouth, do not induce vomiting, and get immediate medical attention
Symptoms: Redness, burning, itching, sneezing, wheezing, stomach cramps, or nausea
Suitable Extinguishing Media: Dry chemical, CO2, water spray, or alcohol-resistant foam
Specific Hazards: Combustion produces irritating or toxic fumes, including carbon oxides
Firefighting Instructions: Wear self-contained breathing apparatus; use standard protective equipment; approach from upwind
Special Equipment: Chemical-resistant suit, gloves, goggles
Flammability: Slightly combustible; avoid open flames
Personal Precautions: Wear gloves, goggles, and a laboratory coat; ventilate spill area
Environmental Precautions: Prevent spillage from reaching drains, surface water, or soil
Cleanup Methods: Sweep up material into suitable containers for disposal; wash spill site with soap and water after cleanup
Waste Disposal: Follow local, regional, and national regulations; avoid discharge to environment
Handling: Use with adequate ventilation; handle away from heat, sparks, and open flames; avoid dust generation
Hygiene Practices: Wash thoroughly after handling; keep food and drinks away from the work area
Storage: Store in a cool, dry place in tightly closed containers; keep away from direct sunlight and incompatible substances like strong oxidizing agents
Incompatibles: Strong acids, alkalis, or oxidizing agents
Occupational Limits: No established OSHA/ACGIH exposure limits for BHA
Engineering Controls: Use fume hoods or local exhaust as needed to keep air concentrations low
Respiratory Protection: Use an approved mask or respirator if dusts or fumes are generated
Eye Protection: Chemical splash goggles or safety glasses
Skin Protection: Nitrile gloves, lab coat, and closed shoes
General Controls: Eyewash stations and emergency showers available in the work area
Appearance: White to yellowish waxy solid, crystalline powder
Odor: Faint, phenolic
Odor Threshold: Not determined
pH: Not applicable (insoluble in water)
Melting Point: 48-63°C
Boiling Point: Above 250°C (decomposes)
Flash Point: 126°C
Evaporation Rate: Not established
Solubility: Soluble in fats, oils, ethanol; insoluble in water
Partition Coefficient: log Pow ~ 3.4
Vapor Density: Not established
Bulk Density: 0.5-0.7 g/cm3
Viscosity: Not applicable
Stability: Stable under normal conditions of storage and use
Hazardous Reactions: None under recommended conditions
Incompatible Materials: Strong oxidizers, acids, alkalis
Decomposition Products: Carbon monoxide, carbon dioxide, phenolic fumes
Conditions to Avoid: Heat, ignition sources, sunlight, moisture
Acute Toxicity: Oral LD50 (rat): 2000 mg/kg (reported values range widely)
Routes of Exposure: Inhalation, skin, ingestion, eye
Symptoms: Irritation to mucous membranes, skin rashes, breathing difficulty, gastrointestinal upset
Chronic Effects: Liver and kidney effects in animal studies at high doses; possible carcinogen (IARC Group 2B)
Mutagenicity: Not mutagenic in most test systems
Carcinogenicity: IARC 2B (possibly carcinogenic to humans); not listed by NTP or OSHA
Reproductive Toxicity: No clear human evidence
Sensitization: May cause allergic skin reactions
Ecotoxicity: Toxic to aquatic organisms at high concentrations
Persistence/Degradability: Low biodegradability in water and soil
Bioaccumulative Potential: Moderate (log Pow >3)
Mobility: Low, due to low water solubility and high hydrophobicity
Other Adverse Effects: Long-term effects possible in the aquatic environment
Waste Treatment: Incineration preferred at licensed facility
Container Disposal: Rinse thoroughly before recycling or disposal
Environmental Precautions: Do not allow product to enter natural water sources, drains, or soil
Regulatory Waste Codes: Check local regulations for specific codes
UN Number: Not regulated as hazardous under major transportation codes
Proper Shipping Name: Butylated Hydroxyanisole
Transport Hazard Class: Not classified as dangerous
Packing Group: Not applicable
Marine Pollutant: Not specifically designated
Transport Precautions: Protect containers, avoid spills during transport
GHS Status: Not classified for major health or physical hazards
TSCA: Listed
FDA: Permitted food additive - usage restrictions apply
DSL/NDSL (Canada): Listed
EINECS/ELINCS (Europe): Listed as 246-563-8
SARA Title III: Not listed as hazardous
Chemical Safety Assessment: Required for occupational uses
California Proposition 65: Listed as a possible carcinogen
WHMIS Classification: D2B: Toxic material causing other toxic effects
