Product Name: 6-Tert-Butyl-O-Cresol
Synonyms: 2-Methyl-6-(1,1-dimethylethyl)phenol, Butylated O-Cresol
CAS Number: 88-60-8
Use: Antioxidant in polymers, industrial chemical processes, stabilizer in oils and lubricants
Supplier: Commercial chemical manufacturers, laboratory suppliers
Emergency Contact: Local fire department, poison control, chemical spill response center
Address: Refer to label or purchase documentation for supplier details
Phone: Emergency numbers will be listed on the shipping papers and label
Hazard Class: Irritant, Harmful to aquatic life
Signal Word: Warning
Hazard Statements: Causes skin and eye irritation, may cause allergic reactions, toxic to aquatic organisms, with long lasting effects
Precautionary Statements: Avoid release to the environment, wear protective gloves/protective clothing/eye protection/face protection, wash hands thoroughly after handling, avoid breathing dust or vapors
Pictograms: Exclamation mark, Environmental hazard
Potential Effects: May trigger respiratory irritation, mild skin reactions, redness, watery eyes, allergic dermatitis in sensitive individuals
Chemical Name: 6-Tert-Butyl-O-Cresol
CAS Number: 88-60-8
Concentration: Pure substance; technical grades may contain trace impurities
Impurities: Less than 1% by weight, typical trace solvents or manufacturing leftovers
Molecular Formula: C11H16O
Molecular Weight: 164.25 g/mol
Skin Contact: Remove contaminated clothing, rinse area with soapy water for at least 15 minutes, seek medical attention if irritation persists
Eye Contact: Rinse eyes immediately with plenty of clean water for at least 15 minutes, remove contact lenses, keep eyelids open, seek medical help
Inhalation: Move the person to fresh air, watch for signs of breathing difficulty, provide oxygen if available, get medical help if symptoms appear
Ingestion: Rinse mouth, do not induce vomiting, seek immediate healthcare attention
Notes to Physician: Treat symptomatically and monitor for allergic response or chemical irritation
Suitable Extinguishing Media: Dry chemical powder, foam, carbon dioxide, water spray
Unsuitable Extinguishing Media: Avoid high-pressure water jets that may spread chemical
Specific Hazards: May emit toxic fumes of carbon monoxide, carbon dioxide, and phenolic compounds under combustion
Special Equipment for Firefighters: Wear self-contained breathing apparatus, full fire protective clothing
Advice: Move containers from fire area, cool exposed drums or containers using water spray to prevent pressure build-up
Fire/Explosion Hazards: Dust may form explosive mixtures with air under severe conditions
Personal Precautions: Put on chemical-resistant gloves, protective goggles, avoid inhalation of dust, ensure adequate ventilation
Environmental Precautions: Prevent material from entering drains, water systems or natural environments
Clean-up Methods: Sweep up spilled material carefully, avoid dust formation, place in suitable labeled containers for disposal, wash spill site after clean-up
Decontamination: Use water and detergent for surfaces, air room out after handling
Reporting Requirements: Local regulations may require notice for spills over certain limits, check with environmental, safety authorities for guidance
Handling: Handle in a chemical fume hood or well-ventilated area, avoid contact with skin or eyes, keep away from sparks and open flames
Hygiene Practices: Wash hands thoroughly before eating, drinking, or using the restroom, prevent material from contaminating food
Storage Conditions: Store in tightly sealed containers in a dry, cool place away from heat and incompatible substances, protect from sunlight
Incompatible Materials: Strong oxidizers, strong acids, and bases
Packing: Use polyethylene or steel containers, barrels must be tightly closed and clearly labeled
Occupational Exposure Limit: No established OSHA, NIOSH, or ACGIH values; handle under chemical hygiene practices
Engineering Controls: Use local exhaust ventilation, chemical fume hood
Respiratory Protection: Wear NIOSH-approved dust respirator if exposure likely to exceed nuisance dust thresholds
Skin Protection: Wear chemical-resistant gloves, long sleeves, and lab coat
Eye/Face Protection: Use safety goggles or face shield
Environmental Exposure Control: Procedures to stop spills, prevent material from reaching storm water drains, routine monitoring
Appearance: White to pale yellow crystalline solid or powder
Odor: Mild phenolic scent
pH: Not applicable (solid, insoluble in water)
Melting Point: 36 – 38°C
Boiling Point: Approximately 250°C
Flash Point: > 113°C (closed cup)
Flammability: Low flammability under standard storage conditions
Vapor Pressure: Negligible at room temperature
Solubility: Practically insoluble in water, soluble in organic solvents (ethanol, ether, acetone)
Density: 1.04 g/cm³ (20°C)
Partition Coefficient (log Kow): 4.5 – indicates high lipophilicity
Chemical Stability: Stable under normal storage, decomposes at high temperatures
Conditions to Avoid: Extreme heat, direct sunlight, incompatible substances
Incompatible Materials: Strong acids, strong oxidizers, bases
Hazardous Decomposition: Releases carbon monoxide, carbon dioxide, and phenolic vapors during combustion
Polymerization: Not prone to hazardous polymerization
Acute Toxicity: Low toxicity by oral and dermal routes (LD50 oral rat > 2000 mg/kg)
Skin Contact: Causes irritation with possible redness and dryness
Eye Contact: Produces irritation, excessive tearing, redness
Inhalation: May cause nose and throat irritation in high dust concentrations
Chronic Exposure: Prolonged contact may cause allergic dermatitis or sensitization
Carcinogenicity: Not classified as a known carcinogen by IARC, NTP, or OSHA
Mutagenicity: Not expected based on current data
Sensitization: Possible skin allergy on repeated exposure
Ecotoxicity: Highly toxic to aquatic organisms, may cause long-term adverse effects in aquatic environments
Persistence and Degradability: Not readily biodegradable; persists in soil and sediments
Bioaccumulation: High potential due to log Kow > 4
Mobility in Soil: Strongly adsorbed to soil particles
Aquatic Toxicity: Fish LC50 (96 hr): 1-10 mg/L, Daphnia EC50: 1-10 mg/L
Additional Notes: Avoid discharging into streams, lakes, or public waters
Waste Disposal: Dispose of in accordance with local, state, and federal regulations; avoid landfill unless approved
Contaminated Packaging: Rinse containers thoroughly, treat as hazardous waste
Special Instructions: Incineration recommended at licensed facility, document all solvent and residue handling
Environmental Hazards: Prevent run-off, do not dispose of down the drain
UN Number: 3077
Proper Shipping Name: Environmentally hazardous substance, solid, N.O.S. (contains 6-Tert-Butyl-O-Cresol)
Transport Hazard Class: 9 (miscellaneous dangerous substances and articles)
Packing Group: III
Label: Environmentally hazardous substance
Transport Precautions: Use secure containers, keep away from foodstuffs and animal feed
Marine Pollutant: Yes
OSHA Status: Not listed as a hazardous chemical under the Hazard Communication Standard
TSCA Status: Listed in the US Toxic Substances Control Act inventory
REACH Status: Registered substance in the European Union
SARA Title III: Not subject to Section 302, 304, or 313 requirements
California Prop 65: Not listed
WHMIS (Canada): D2B (toxic materials causing other toxic effects)
EU Classification: Aquatic Chronic 2, Skin Irritant 2, Eye Irritant 2
