LQ-TBPI Tert-Butyl peroxyisobutyrate 109-13-7

Item Content
Product Name Initiator LQ-TBPI
Chemical Name Tert-Butyl peroxyisobutyrate
Molecular Formula C₈H₁₆O₃
Molecular Weight 160.2
Pure Peroxide Active Oxygen Content 9.99%
CAS No. 109-13-7
Einecs 203-650-5
UN No. 3115
Level 5.2
Classification D-type liquid organic peroxide, temperature-controlled transport, classified as a Class 5.2 hazardous material

Properties

Property Description
Appearance Transparent liquid
Main Decomposition Products CO₂, tert-butanol, propane, propylene, 2-isopropyl-2-methylpropane

Safety Indicators

Half-Life Temperature
0.1 hour 118℃
1 hour 98℃
10 hours 79℃
Thermal Stability Data Temperature
Self-accelerating Decomposition Temperature (SADT) 30℃
Critical Temperature (Tem) 20℃
Control Temperature (Tc) 15℃
Storage Temperature (Tsmax/TSmin) --/10℃

Applications

Application Description
Ethylene Polymerization LQ-TBPI is an efficient initiator for LDPE tubular or batch processes, with a polymerization temperature range of 160-250°C.
Styrene Polymerization Suitable for styrene polymerization, with a polymerization temperature range of 85-105°C, mainly used for styrene copolymerization and acrylic/methacrylic acid polymerization. For acrylic and methacrylic acid, the polymerization temperature is 80-160°C, suitable for bulk and aqueous suspension polymerization.

Packaging and Transport

Packaging Description
Standard Packaging 20 kg PE plastic barrels, with custom packaging available upon request.
Transport LQ-TBPI is a Class 5.2 liquid organic peroxide, requiring temperature-controlled transport.

Storage Instructions

Precaution Description
Storage Conditions Keep packaging sealed and in a well-ventilated area, with a maximum storage temperature of 25°C. Avoid contact with reducing agents (such as amines), acids, bases, and heavy metal compounds (such as promoters and metal soaps).
Storage Stability The product will meet technical standards for up to 3 months when stored according to the manufacturer’s guidelines.

Fire Protection

Precaution Description
Small Fire Handling Use dry powder or CO₂ extinguishers for small fires. Apply water to prevent re-ignition.
Large Fire Handling For larger fires, use a large volume of water at a safe distance to extinguish.

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