Product Name: 2,6-Di-Tert-Butyl-P-Cresol
Other Names: BHT, Butylated Hydroxytoluene
Chemical Formula: C15H24O
CAS Number: 128-37-0
Use: Antioxidant in foods, cosmetics, pharmaceuticals, industrial fluids
Supplier: Refer to purchasing documentation or product label for current supplier details
Contact Information: Emergency telephone number listed on shipping paperwork or SDS documentation
Classification: Eye irritant, skin irritant, suspect reproductive toxin
Signal Word: Warning
Hazard Statements: May cause skin and eye irritation, suspected of damaging fertility or the unborn child, may cause respiratory tract irritation
Precautionary Statements: Wear protective gloves, eye protection, avoid breathing dust, wash hands thoroughly after handling
Health Hazards: Prolonged exposure can affect liver, kidneys; dust inhalation can trigger respiratory symptoms
Physical Hazards: Dust may form explosive mixtures with air; combustible solid
Environmental Hazards: Harmful to aquatic organisms, risk of long-term adverse effects in the aquatic environment
Chemical Name: 2,6-Di-Tert-Butyl-P-Cresol
Synonyms: 2,6-Bis(1,1-dimethylethyl)-4-methylphenol, BHT
CAS Number: 128-37-0
EC Number: 204-881-4
Concentration: 98-100% (commercial purity)
Impurities: Minor phenolic compounds, purity verified by certificate of analysis
Inhalation: Move individual to fresh air; get medical attention if symptoms persist, support breathing if necessary
Skin Contact: Remove contaminated clothing, wash area with soap and water, seek medical attention if redness or irritation occurs
Eye Contact: Rinse thoroughly with water for several minutes, lift eyelids to ensure full wash, remove contact lenses if possible, seek medical help if irritation remains
Ingestion: Rinse mouth, do not induce vomiting, get immediate medical advice, provide product information
Advice to Doctor: Treat symptomatically, consult Poison Control if large quantity ingested
Suitable Extinguishing Media: Water spray, dry powder, foam, carbon dioxide
Unsuitable Media: Do not use direct water stream which may spread material
Hazards from Combustion: May release toxic fumes including carbon monoxide, carbon dioxide, phenolic compounds
Protective Equipment: Wear self-contained breathing apparatus and full protective gear
Special Procedures: Remove containers from area if safe; cool with water; avoid breathing smoke or combustion products
Personal Precautions: Avoid dust; use protective gloves, goggles, respirator
Environmental Precautions: Prevent spillage from entering soil, drains, or water courses
Spill Cleanup: Sweep, scoop, or vacuum spilled material in dry form; place in suitable reusable or disposal container; use non-sparking tools
Waste Disposal: Dispose according to local, regional, and national regulations
Handling: Minimize dust generation, use with adequate ventilation, avoid contact with skin, eyes, clothing, do not eat, drink, or smoke while handling
Storage: Store in cool, dry, well-ventilated area, protect from light, moisture, incompatible substances like strong oxidizers, acids; keep container tightly closed and properly labeled
Packaging Materials: Store in containers made of polyethylene, glass, or stainless steel, avoid use of soft plastics that may degrade
Bulk Storage: Consider secondary containment to prevent spills
Occupational Exposure Limit: ACGIH TLV: 2 mg/m³ (inhalable fraction); check local legislation for updates
Engineering Controls: Use process enclosures, local exhaust ventilation to control dust
Personal Protection: Safety goggles, chemical resistant gloves, respirator if airborne dust forms, protective clothing
Hygiene Measures: Wash hands after handling, do not eat, drink, or smoke in work area, remove and wash contaminated clothing before reuse
Environmental Controls: Implement controls to avoid contamination of air, water, and soil
Appearance: White or slightly yellow crystalline solid
Odor: Mild aromatic odor, often described as phenolic
Molecular Weight: 220.35 g/mol
Melting Point: 69-71°C
Boiling Point: Around 265°C at 1013 hPa
Flash Point: 127°C (open cup)
Solubility: Insoluble in water (<0.01 g/100 mL), soluble in alcohols, oils, and organic solvents
Vapor Pressure: Very low at room temperature
Density: 1.048 g/cm³ (20°C)
pH: Not applicable (insoluble in water)
Chemical Stability: Stable under recommended storage and handling conditions
Reactivity: Reacts with strong oxidizers, may undergo exothermic reaction
Hazardous Reactions: Can form explosive dust-air mixtures; accumulates static electricity
Decomposition Products: Decomposes in fire to release toxic gases including phenols, carbon monoxide, and carbon dioxide
Conditions to Avoid: Exposure to heat, flames, sparks, static, strong acids and oxidizers
Incompatible Materials: Strong acids, oxidizing agents
Acute Toxicity: Oral LD50 (rat): 890 mg/kg; dermal LD50 (rabbit): >2000 mg/kg
Skin Corrosion/Irritation: May cause moderate irritation; repeated contact can cause dryness or cracking
Eye Damage/Irritation: Causes mild to moderate irritation
Respiratory/Skin Sensitization: Some individuals may develop sensitization reactions
Chronic Toxicity: Animal studies suggest possible effects on liver, kidney, reproductive system with prolonged or high exposures
Mutagenicity and Carcinogenicity: Not classified as carcinogenic by IARC; some studies indicate potential reproductive, developmental effects
Ecotoxicity: Toxic to aquatic organisms, may cause long-term adverse effects in aquatic environments
Persistence and Degradability: Only slowly bio-degradable; persistent in soils and sediments
Bioaccumulative Potential: May bioaccumulate in aquatic organisms
Mobility in Soil: Low water solubility leads to persistence in soils
Other Adverse Effects: Breakdown products toxic to aquatic life; may interfere with wastewater treatment
Waste Methods: Dispose of unused material as hazardous waste in accordance with local, regional, national, or international regulations
Packing Disposal: Empty containers may contain residues, treat as hazardous; do not reuse containers
Incineration: Preferred method if permitted by regulations; incinerator must use scrubbers to remove phenolic fumes
Sewer Disposal: Not permitted; do not discharge to drains or environment
Recycling: Consider options for chemical reclamation or recycling where facilities exist
UN Number: Not classified as a dangerous good for land, air, or sea transport (check for updates based on bulk or special applications)
Proper Shipping Name: 2,6-Di-Tert-Butyl-P-Cresol
Transport Hazard Class: Not hazardous under standard shipping regulations
Packing Group: Not applicable
Environmental Hazard: Not a marine pollutant by most regulations, but bulk spills may cause harm to water bodies
Special Precautions: Prevent package damage, avoid spillage, use containers with good seals
Global Inventories: Listed on EINECS, TSCA, DSL, AICS, ENCS
Workplace Regulations: Covered by OSHA and EU workplace safety standards for chemical exposure
Labeling Requirements: GHS labels with hazard and precautionary statements
Restrictions: Some countries restrict use in food, feed, or drugs beyond certain thresholds
Other Regulations: REACH registration required in EU for import or use above 1 tonne/year, subject to notification in some regions under toxic release inventory rules
SDS Updates: Check for revised sheets at least every three years, or sooner if regulatory changes occur
