Product Name: 3,5-Di-Tert-Butylcatechol
Chemical Formula: C14H22O2
CAS Number: 88-58-4
Synonyms: DTBC, DBTC, 4,6-Di-Tert-Butyl-1,2-benzenediol
Recommended Uses: Antioxidant, polymerization inhibitor, stabilizer for fuels and lubricants
Supplier Information: Manufacturer Address and Emergency Contact Phone Number (consult product label or supplier documentation for up-to-date details)
Classification: Combustible solid, skin irritant, eye irritant, respiratory irritant
Signal Word: Warning
Hazard Statements: May cause skin and eye irritation, dust can irritate upper respiratory tract, harmful if swallowed
Pictograms: Exclamation mark
Potential Health Effects: Repeated or prolonged contact may dry and crack skin, exposure to dust or fumes can aggravate asthma or respiratory sensitivity, ingestion may upset digestive system
Environmental Hazards: May cause harm to aquatic organisms with long term effects
Chemical Name: 3,5-Di-Tert-Butylcatechol
Concentration: >99%
Impurities: Trace residual solvents, minor mixed organic byproducts (refer to supplier batch certificate)
Molecular Weight: 222.33 g/mol
Inhalation: Move the affected person to fresh air, loosen tight clothing, rest and provide oxygen if breathing is difficult, seek medical attention if symptoms persist
Skin Contact: Wash immediately with plenty of water and mild soap, remove contaminated clothing, apply moisturizing cream if skin dries or cracks, seek medical care if irritation continues
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, do not rub, continue rinsing, seek eye specialist if redness or pain remains
Ingestion: Rinse mouth thoroughly, do not induce vomiting, give small amounts of water to conscious person, consult a physician promptly
Main Symptoms: Redness, irritation, itching, gastrointestinal upset
Suitable Extinguishing Media: Use water spray, dry chemical, foam, or carbon dioxide
Unsuitable Media: Avoid high-pressure water jet
Specific Hazards: Combustion may release toxic vapors including carbon monoxide, carbon dioxide, phenolic compounds
Special Protective Equipment: Wear full protective gear including self-contained breathing apparatus
Advice for Firefighters: Prevent runoff, cool containers exposed to fire with water spray, evacuate unnecessary personnel
Personal Precautions: Use chemical-resistant gloves, splash goggles, dust mask, and protective clothing
Environmental Precautions: Avoid discharge into drains, surface water, and soil, prevent spread with inert absorbent
Methods for Containment: Sweep up spilled material while minimizing dust, place in a suitable closed container for disposal
Cleaning Up: Ventilate affected area after cleanup, wash down surfaces with soap and water
Precautions for Safe Handling: Avoid inhaling dust and vapors, prevent contact with skin and eyes, use in well-ventilated spaces, keep containers tightly closed when not in use
Storage Conditions: Keep in a cool, dry, well-ventilated area away from heat, sparks, and sources of ignition, store in original containers, protect from direct sunlight and moisture, segregate from strong oxidizers and acids
Recommended Shelf Life: Monitor use-by date for maximum efficacy and safety
Occupational Exposure Limits: No specific TLV set, minimize exposure and dust levels as low as possible
Engineering Controls: Employ local exhaust ventilation, use closed handling systems if available
Eye Protection: Safety glasses or chemical splash goggles
Skin Protection: Impervious gloves (nitrile, neoprene), long sleeves, laboratory coat
Respiratory Protection: Dust respirator if airborne concentrations increase
Hygiene Measures: Wash hands thoroughly after handling, remove and wash contaminated clothing regularly
Appearance: White or faintly yellow crystalline solid
Odor: Mild phenolic odor
Odor Threshold: Not established
Melting Point: 53 – 57 °C
Boiling Point: 268 – 270 °C
Flash Point: Approximately 140 °C (closed cup)
Solubility: Slightly soluble in water, soluble in alcohols and ethers
Vapor Pressure: Low at room temperature
Density: 1.06 – 1.08 g/cm³
pH: Not applicable
Partition Coefficient (Log Kow): 4.2 (estimated)
Stability: Stable at normal ambient and anticipated storage conditions
Chemical Stability: Remains stable under recommended storage and handling
Reactivity: Incompatible with strong acids, strong oxidizers (peroxides, permanganates), reducing agents
Potential Hazardous Decomposition: Carbon monoxide, carbon dioxide, phenolic fumes under fire
Polymerization: Does not polymerize spontaneously
Routes of Exposure: Inhalation, ingestion, skin contact, eye contact
Acute Effects: Irritation to skin, eyes, mucous membranes; ingestion may cause nausea, stomach upset
Chronic Effects: Prolonged or repeated exposure may stress liver and kidneys in animal tests
LD50 (Oral, Rat): Around 2200 mg/kg
Skin Corrosion/Irritation: Moderately irritating on contact
Respiratory Sensitization: Not established
Other Effects: No confirmed carcinogenic, mutagenic, or reproductive toxicity from standard testing
Toxicity: Moderately toxic to aquatic organisms compared to other phenolic compounds
Persistence/Degradability: Not readily biodegradable by conventional wastewater bacteria
Bioaccumulation Potential: High log Kow suggests potential for bioaccumulation, especially in aquatic environments
Mobility in Soil: Limited by low water solubility, may bind to organic matter in sediment
Other Adverse Effects: Avoid dispersal from large spills due to slow breakdown and hazards to aquatic life
Waste Treatment Methods: Dispose through certified chemical waste disposal contractor
Disposal of Containers: Triple rinse containers, puncture before landfill, follow regulatory recommendations
Precautions: Do not release to environment or drain, incinerate in chemical incinerator with afterburner and scrubber
Special Instructions: Separate from household waste, keep logged disposal records
UN Number: Not classified as hazardous for ground or air transport under most global regulations
Proper Shipping Name: 3,5-Di-Tert-Butylcatechol
Hazard Class: Not regulated
Packing Group: Not regulated
Special Transport Precautions: Handle sealed containers carefully, shield package from moisture, heat, or severe vibration
TSCA Status: Listed in US TSCA Inventory
REACH Status: Registered under EU REACH for specific uses
WHMIS Classification: D2B (Toxic material causing other toxic effects, Canada)
OSHA: Not specifically regulated as a hazardous substance under standard OSHA 29 CFR 1910.1200
Other Applicable Regulations: Complies with most international transportation and workplace safety regulations; handle according to governmental chemical safety standards
