Product Name: 2,6-Di-Tert-Butyl-4-Ethylphenol
Synonyms: Ethylated hydroxyphenol, DBEP
Chemical Formula: C16H26O
CAS Number: 4130-42-1
Recommended Use: Antioxidant in plastics, lubricants, and fuels
Manufacturer: Contact information of supplier and emergency telephone number available on product label
Classification: Eye Irritation Category 2A, Skin Irritation Category 2, Aquatic Chronic Category 4
Signal Word: Warning
Hazard Statements: Causes skin irritation, causes serious eye irritation, may cause long-lasting harmful effects to aquatic life
Precautionary Statements: Wash hands thoroughly after handling, avoid release to the environment, wear protective gloves and eye protection, in case of contact with eyes: rinse cautiously with water for several minutes
Chemical Name: 2,6-Di-Tert-Butyl-4-Ethylphenol
Concentration: 100% (pure substance)
Impurities or Stabilizing Additives: Not known to contain hazardous impurities
Molecular Weight: 234.38 g/mol
General Advice: Remove contaminated clothing and show this sheet if medical attention is needed
Inhalation: Move to fresh air, keep at rest, seek medical advice if symptoms appear
Skin Contact: Wash area with plenty of soap and water for at least 15 minutes
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, continue rinsing, call physician if irritation persists
Ingestion: Do not induce vomiting, rinse mouth with water, seek immediate medical attention
Suitable Extinguishing Media: Use water spray, foam, alcohol-resistant foam, dry powder, or carbon dioxide
Specific Hazards: Combustion may produce irritating and toxic gases including carbon monoxide and carbon dioxide
Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective clothing
Unusual Fire Hazards: Can react with oxidizers, dust may form explosive mixture with air
Personal Precautions: Avoid breathing dust, provide adequate ventilation, use personal protective equipment including gloves and safety goggles
Environmental Precautions: Prevent entry into sewers and waterways
Methods for Cleanup: Collect spillage with non-sparking tools, sweep up and place in suitable containers for disposal, avoid dust formation, ventilate area
Precautions for Safe Handling: Avoid contact with skin and eyes, minimize dust generation, use in well-ventilated area, do not eat, drink, or smoke when handling
Safe Storage Conditions: Store in cool, dry, well-ventilated place away from incompatible substances, tightly closed container, avoid exposure to sunlight and moisture
Incompatible Materials: Strong oxidizers, acids
Engineering Controls: Use local exhaust ventilation and process enclosure
Respiratory Protection: Use NIOSH-approved respirators for dust if ventilation is inadequate
Skin Protection: Wear chemical-resistant gloves and protective clothing
Eye Protection: Wear safety goggles or face shield
Hygiene Measures: Wash hands and face thoroughly after handling, remove and wash contaminated clothing
Appearance: White to off-white crystalline powder
Odor: Faint, phenolic
Odor Threshold: Not determined
pH (value): Not available
Melting Point: 48–54°C
Boiling Point: 314°C
Flash Point: ~158°C (closed cup)
Evaporation Rate: Not determined
Flammability: Not readily flammable under normal conditions
Auto-Ignition Temperature: Not determined
Explosive Limits: Not available
Vapor Pressure: <0.01 mmHg at 20°C
Vapor Density: Not determined
Relative Density: ~1.05 g/cm³ (20°C)
Solubility: Practically insoluble in water, soluble in organic solvents
Partition coefficient (n-octanol/water): log Pow ~5.4
Decomposition Temperature: Not determined
Viscosity: Not determined
Stability: Stable under recommended storage conditions
Polymerization: Will not occur
Hazardous Reactions: Reacts with strong oxidizers and acids
Conditions to Avoid: High heat, sources of ignition, direct sunlight
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, phenolic compounds
Acute Toxicity: Low acute oral and dermal toxicity based on analogous substances
Skin Corrosion/Irritation: Irritant to skin
Serious Eye Damage/Irritation: Causes serious eye irritation
Respiratory Sensitization: Not classified
Carcinogenicity: Not listed as carcinogen by IARC, NTP, or OSHA
Mutagenicity: Not known to be mutagenic
Reproductive Toxicity: No reproductive toxicity data available
Target Organ Effects: Prolonged exposure may cause dermatitis or respiratory tract irritation
Ecotoxicity: Toxic to aquatic life with long lasting effects
Persistence and Degradability: Expected to be slowly biodegradable
Bioaccumulative Potential: High potential for bioaccumulation based on log Pow
Mobility in Soil: Low mobility due to low water solubility
Other Adverse Effects: Do not allow to enter environment uncontrolled
Disposal Methods: Dispose in accordance with local, regional, and national regulations
Contaminated Packaging: Rinse thoroughly and dispose of safely; do not reuse containers
Waste Codes: Contact local authorities for specific waste designation
Precautions: Avoid release to land, water, and air
UN Number: Not regulated under most transport regulations
UN Proper Shipping Name: Not applicable
Transport Hazard Class(es): Not classified as dangerous goods
Packing Group: Not assigned
Environmental Hazards: Not classified as marine pollutant but avoid accidental release to environment
Special Precautions: Ensure packaging prevents dust formation, keep separated from food and feed
OSHA Status: Not specifically regulated as hazardous
SARA Title III Sections 302/304: Not listed
SARA Title III Section 313: Not listed
TSCA Status: Listed on United States TSCA Inventory
EU Regulations: Registered under REACH, not classified as a Substance of Very High Concern
International Inventories: Listed or exempted in AICS, DSL/NDSL, EINECS/ELINCS, ENCS, PICCS, and other chemical inventories
Labeling: Follow workplace hazard communication standards for handling and storage
