LQ-K Bis(3,5,5-trimethylhexanoyl) peroxide 3851-87-4

Item Content
Product Name Initiator LQ-K
Chemical Name Bis(3,5,5-trimethylhexanoyl) peroxide
Molecular Formula C₁₈H₃₄O₄
Molecular Weight 314.5
Theoretical Active Oxygen Content 5.09%
CAS No. 3851-87-4
Main Decomposition Products CO₂, 2,2,4,7,9,9-hexamethyldecane, 2,4,4-trimethylpentane

Safety Indicators

Half-Life Temperature
0.1 hour 96℃
1 hour 77℃
10 hours 59℃
Thermal Stability Data Temperature
Self-accelerating Decomposition Temperature (SADT) 20℃
Critical Temperature (Tem) 10℃
Control Temperature (Tc) 0℃
Storage Temperature (Tsmax/TSmin) -10℃ to 0℃

Technical Specifications

Item Content
Appearance Clear liquid
Purity 74-76%
Color (Pt-Co) ≤20 Pt-Co
Inorganic & Organic Hydrolyzable Chlorides ≤250 mg/kg

Applications

Application Description
Ethylene Polymerization Initiator Commonly used in LDPE tubular or batch polymerization. Often used in combination with other initiators for a broader temperature range (150-190℃).
Vinyl Chloride Polymerization Initiator Used as an initiator for vinyl chloride suspension polymerization, with initiation temperature between 50-70℃.

Storage and Handling

Precaution Description
Storage Conditions Keep the packaging sealed and in a well-ventilated area. Maximum storage temperature is 0℃. Avoid contact with reducing agents, acids, bases, and metal compounds.
Storage Stability When stored as per manufacturer's guidelines, the product's quality is guaranteed for three months.
Handling Precautions No repackaging in storage rooms. Keep away from heat sources and incompatible materials.

Fire Protection

Precaution Description
Small Fire Handling Use dry powder or CO₂ extinguishers and apply large amounts of water to prevent re-ignition.
Large Fire Handling Use large amounts of water and maintain a safe distance.

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