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.