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Product Name: Butylated Hydroxytoluene
Synonyms: 2,6-Di-tert-butyl-4-methylphenol
Chemical Formula: C15H24O
CAS Number: 128-37-0
Recommended Use: Antioxidant in food, cosmetics, pharmaceuticals
Supplier: Listed supplier information on company SDS
Emergency Contact: Refer to company emergency phone number specific to region
Classification (GHS): Eye irritant, skin irritant
Signal Word: Warning
Hazard Statements: May cause mild skin and eye irritation; potential risk of allergic skin reaction in susceptible individuals; digestive irritation possible if ingested in large quantities
Label Elements: Wear personal protection, avoid inhalation of dust, avoid prolonged exposure
Precautionary Statements: Wash hands thoroughly after handling, use in well-ventilated areas, keep out of reach of children
Chemical Name: 2,6-Di-tert-butyl-4-methylphenol
Common Name: BHT
Concentration: 99% or higher
Impurities: Trace phenolic derivatives below regulatory thresholds
Eye Contact: Promptly flush eyes with plenty of water for 15 minutes, lifting eyelids to ensure full rinse, seek medical advice upon irritation.
Skin Contact: Wash exposed skin with soap and water, remove contaminated clothing, get medical attention if irritation develops or persists.
Inhalation: Move person to fresh air, keep warm and at rest, seek medical attention for respiratory symptoms.
Ingestion: Rinse mouth, drink water in small sips, do not induce vomiting, call poison center or physician.
Most Common Symptoms: Redness, dryness, itching on skin; discomfort or burning in eyes.
Suitable Extinguishing Media: Dry chemical, carbon dioxide, foam, water fog
Unsuitable Extinguishing Media: Straight or direct stream of water may spread fire
Specific Hazards: Combustion can release toxic fumes like carbon monoxide, carbon dioxide
Special Protective Equipment for Firefighters: Self-contained breathing apparatus, full protective suit
Firefighting Procedures: Isolate fire area; cool containers exposed to heat with water
Personal Precautions: Wear appropriate PPE including gloves, goggles, dust mask
Environmental Precautions: Prevent further spillage or entry into waterways or drainage
Methods for Clean-up: Collect spilled powder by careful sweeping or shoveling, avoiding dust, place in suitable waste container for disposal
Decontamination: Clean area with plenty of water, ventilate area afterwards
Safe Handling Measures: Use with adequate ventilation, avoid breathing dust, wear protective gear, keep away from food and drink
Safe Storage Practices: Store in tightly sealed containers, in cool, dry, well-ventilated area, out of sunlight and away from incompatible substances such as oxidizers
Storage Temperatures: Keep between 2°C and 30°C
Stability During Storage: Retains stability under recommended storage conditions for prolonged periods
Workplace Exposure Limits: No established occupational exposure limit for BHT; minimize exposure using good industrial hygiene practices
Engineering Controls: Local exhaust ventilation, process enclosure as needed
Personal Protective Equipment: Chemical-resistant gloves, safety goggles or face shield, dust mask or respirator in areas with poor ventilation
General Hygiene: Wash thoroughly after handling, do not eat or drink while using product
Appearance: White crystalline powder or granules
Odor: Mild, phenolic
Odor Threshold: Not determined
pH (1% solution): Neutral
Melting Point: 69–71°C
Boiling Point: 265°C
Flash Point: 127°C (closed cup)
Vapor Pressure: Negligible at room temperature
Solubility: Slightly soluble in water, soluble in alcohol, ether, and organic solvents
Partition Coefficient (log Kow): 5.1–5.4
Density: 1.05 g/cm³
Stability: Stable under normal conditions
Chemical Stability: Stable under normal temperatures and pressures
Reactivity: Not reactive with common construction materials
Hazardous Reactions: No dangerous reaction known under regular use
Incompatible Materials: Strong oxidizing agents such as peroxides, nitric acid
Decomposition Products: Toxic vapors (carbon monoxide, carbon dioxide) formed during combustion
Acute Toxicity: LD50 (oral, rat): 890 mg/kg; low acute toxicity by dermal or inhalation route
Skin Corrosion/Irritation: Can cause mild skin irritation with repeated or prolonged contact
Eye Damage/Irritation: Causes mild eye irritation upon direct contact
Respiratory Sensitization: No data to suggest respiratory sensitization
Skin Sensitization: Rare reports of allergic reaction
Chronic Effects: Long-term high dose ingestion in animal studies caused liver and kidney changes
Carcinogenicity: Not classified as a human carcinogen by IARC or NTP
Ecotoxicity: Significant toxicity to aquatic organisms documented, with LC50 (fish) values near 5 mg/L
Persistence and Degradability: Moderately persistent in environment, slow biodegradation
Bioaccumulation Potential: High potential for bioaccumulation based on log Kow
Mobility in Soil: Low water solubility suggests limited mobility but potential for buildup in sediment
Other Concerns: Minimize release to waterways, spills may impact aquatic life
Waste Treatment Methods: Incinerate in approved facility or dispose of following local and national guidelines
Unused Product Disposal: Keep in original container, do not discharge to sewer, do not landfill large quantities
Contaminated Packaging: Rinse thoroughly before recycling or safe disposal, avoid reuse for food or beverages
Regulatory Requirements: Follow state, local, and national hazardous waste regulations
UN Number: Not classified as dangerous for transport
UN Proper Shipping Name: Not regulated
Transport Hazard Class: Not regulated
Packing Group: Not applicable
Special Precautions: Prevent package rupture, avoid transport with strong oxidizing agents
Other Information: Always ship according to current local, regional, and international regulations
OSHA Status: Not hazardous under OSHA Hazard Communication Standard
TSCA Status: Listed on Toxic Substances Control Act inventory
SARA Title III: Not listed as hazardous substance, no reporting requirements under SARA 313
California Proposition 65: Not listed
Other Regulations: BHT use in foods, cosmetics, and pharmaceuticals regulated by FDA and relevant authorities; restrictions based on national or state-level maximum allowable limits
