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Product Name: 1,1,3,3-Tetramethylbutyl Peroxy-2-Ethylhexanoate
Chemical Family: Organic Peroxyester
Recommended Uses: Used as a polymerization initiator in plastics and rubbers, specialty resin production, and some chemical reactions requiring free-radical sources
Manufacturer: Contact details available through supply chain or distributor
Emergency Contact: Refer to emergency hotlines provided by supplier, Poison Control Centers
Synonyms: Peroxyester, TMPO2EH
Supplier Information: Address and phone number located on product shipment records
Hazard Classification: Oxidizing liquids (Category 3), Organic peroxides (Type D), Acute Toxicity (Oral, Category 4), Eye Irritation (Category 2A), Skin Irritation (Category 2)
Signal Word: Danger
Hazard Statements: Can cause fire; strong oxidizer. Harmful if swallowed. Causes severe eye and skin irritation. May cause respiratory discomfort with inhalation.
Pictograms: Flame over circle (oxidizer), exclamation mark (irritation risk)
Precautionary Statements: Keep away from heat or fire. Store in original container with proper isolation. Always avoid skin and eye contact. Use only outdoors or in well-ventilated areas.
Physical Hazards: Unstable at elevated temperatures, reacts with combustible materials
Chemical Name: 1,1,3,3-Tetramethylbutyl Peroxy-2-Ethylhexanoate
CAS Number: 34370-04-8
Purity: ≤ 100%
Impurities: Trace byproducts and stabilizers may be present from manufacturing process, usually disclosed by the supplier
Molecular Formula: C16H32O3
Molecular Weight: 272.43 g/mol
Eye Contact: Rinse with running water for 10-15 minutes, remove contact lenses, seek medical advice right away.
Skin Contact: Remove contaminated clothing, wash affected area with soap and water, obtain medical attention if redness or burning develops.
Inhalation: Move to fresh air. Give oxygen if breathing becomes difficult. Seek immediate medical care for persistent symptoms.
Ingestion: Do not cause vomiting. Rinse mouth thoroughly and drink water if conscious. Get urgent medical help.
Personal Safety: Those giving aid should avoid direct contact, use gloves and eye protection
Suitable Extinguishing Media: Use water spray, alcohol-resistant foam, dry chemical, or CO2. Never use dry combustibles.
Specific Hazards: Can decompose under heat or fire forming toxic gases like carbon oxides. Known to induce rapid combustion.
Protective Equipment: Full protective gear and self-contained breathing apparatus required
Special Firefighting Procedures: Remove containers from danger zone if safe. Cool exposed containers with water spray. Evacuate area, contain runoff water to prevent environmental contamination.
Fire Hazards: Risk of explosion grows as container heats, keep storage areas cool and segregated
Personal Precautions: Evacuate area, ventilate if possible, remove ignition sources immediately
Protective Equipment: Chemical splash goggles, gloves, chemical-resistant protective clothing, appropriate footwear
Environmental Precautions: Prevent spill from entering drains, soil, sewers, open waterways
Cleanup Methods: Collect spill with inert, non-combustible absorbent (like sand). Place waste into properly labeled chemical disposal drums.
Disposal: Follow local hazardous material protocols for peroxides. Decontaminate all tools afterward.
Reporting: Notify relevant local/regional authorities about large releases
Safe Handling: Only trained operators handle this material; minimize friction, shocks, and static discharge risk.
General Hygiene: Avoid contact, do not eat, drink or smoke in work areas, wash thoroughly after use.
Storage Requirements: Keep containers cool, away from sunlight and all heat sources. Segregate from acids, reducing agents, combustibles.
Container Integrity: Use only vented, compatible materials, inspect containers for leaks or swelling routinely.
Incompatibilities: Avoid strong acids, alkalis, heavy metal salts, organic materials. Product can self-react if mismanaged
Engineering Controls: Use local exhaust ventilation to keep vapors below recommended levels.
Exposure Limits: Specific legal exposure limits unavailable; always minimize exposure with control measures.
Personal Protective Equipment: Safety goggles or face shields, impervious gloves (nitrile, neoprene), lab coats, and, if airborne dust possible, NIOSH-approved respirators.
Workplace Hygiene: Wash hands and face after handling, prevent static buildup, no open flames nearby.
Monitoring: Regular monitoring of exposure and effectiveness of controls recommended by occupational safety officer
Emergency Facilities: Eyewash stations and safety showers in proximity
Appearance: Colorless to pale yellow liquid
Odor: Slight, somewhat aromatic
Melting Point: Below -20°C
Boiling Point: Decomposes before boiling
Flash Point: >110°C (closed cup, may vary slightly with formulation)
Flammability: Combustible liquid, high oxidizing capacity
Solubility: Insoluble in water, soluble in organic solvents
Vapor Pressure: Low at standard conditions
Relative Density: About 0.92–0.96 g/cm³
Partition Coefficient: log Pow above 4 suggests bioaccumulation potential
Decomposition Temperature: 70°C and above (release of oxygen)
Chemical Stability: Stable at ambient temperatures under inert atmosphere; may decompose if heated, contaminated or stored improperly.
Incompatible Materials: Strong acids, bases, metal salts, reducing agents, combustible or flammable substances.
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, hydrocarbons, possibly toxic fumes upon fire.
Conditions to Avoid: Heat, sparks, open flames, friction, shock, contamination
Reactivity: Can self-accelerate at elevated temperatures, becomes shock sensitive if dry
Polymerization Risk: Uncontrolled polymerization can occur in certain processing environments
Acute Toxicity: Harmful if swallowed, estimated rat LD50 (oral) between 1000–2000 mg/kg
Skin Irritation: Causes redness, possible blistering on prolonged exposure
Eye Irritation: Severe irritation, possible corneal damage
Respiratory Effects: Inhalation may cause coughing, throat discomfort, shortness of breath
Chronic Effects: No conclusive data on long-term carcinogenicity or mutagenicity, always handle with caution to minimize prolonged or repeated exposure
Sensitization: Can cause allergic skin reactions in susceptible individuals
Ecotoxicity: Classified as toxic to aquatic organisms, may cause long-term adverse aquatic effects
Persistence and Degradability: Degradation in environment through oxidation; breakdown products may persist
Bioaccumulation: Expected to bioaccumulate in living organisms; environmental release strongly discouraged
Mobility in Soil: Limited solubility means leaching less likely, but hazard persists through slow degradation
Other Effects: No data describing effects on terrestrial wildlife; consider all releases as significant
Waste Disposal: Incinerate material in an approved hazardous waste facility, avoid landfill disposal.
Contaminated Containers: Triple rinse containers, destroy after use. Never attempt reuse.
Regulatory Requirements: Follow all state, local, and national regulations for disposal of hazardous chemicals.
Recycling: Not advised due to chemical instability and contamination risk
Transport to Facility: Secure lead containers, label properly, inform waste handlers of peroxide contents
UN Number: UN3109
Proper Shipping Name: Organic Peroxide Type D, Liquid (1,1,3,3-Tetramethylbutyl Peroxy-2-Ethylhexanoate)
Packaging Group: II
Hazard Class: 5.2 (Organic Peroxide)
Labels Required: Oxidizer, organic peroxide labels as per transport authority
Special Provisions: Follow all applicable local and international transport regulations. Segregate from food and feedstuffs.
Bulk Transport Requirements: Specialized containers only, temperature-controlled recommended by most carriers
OSHA: Organic peroxides classified as hazardous material, strict workplace controls mandated
TSCA: Listed in inventory, regulatory standards apply
REACH: Registration required for import and manufacture in EU; safety measures outlined for users
Environmental Regulations: Releases covered under Clean Water Act, Clean Air Act, Resource Conservation and Recovery Act
Community Right-To-Know: Requires up-to-date communication with neighboring facilities and first responders
Labeling: Container and shipping documentation must include hazard class, risk phrases, and safety precautions
Workplace Limits: Consult national exposure limits or ACGIH threshold limit values for guidance
