LQ-TAHP Tert-amyl hydroperoxide 3425-61-4

Item Content
Product Name Initiator LQ-TAHP
Chemical Name Tert-amyl hydroperoxide
Molecular Formula C₅H₁₂O₂
Molecular Weight 104.1
Theoretical Active Oxygen Content 15.36%
CAS No. 3425-61-4
UN No. 3107
IMDG Classification 5.2 (Class 5.2 Liquid Organic Peroxide, Type E, Dangerous Goods Packaging)

Major Decomposition Products

Decomposition Product
Methane
Acetone
Tert-pentanol

Safety Indicators

Half-Life Temperature
0.1 hour 202°C
1 hour 183°C
10 hours 165°C

Thermal Stability Data

Thermal Stability Parameter Temperature
Self-accelerating Decomposition Temperature (SADT) 80°C
Critical Temperature (Tem) 75°C
Recommended Storage Temperature (Ts max) --/15°C

Activation Energy

Activation Energy (E) Details
E (KJ/mol) 10.92-11.18% (Active Oxygen Content)

Applications

Application Details
Polymerization Initiator Used in free radical polymerization, including emulsion polymerization, water-phase polymerization, and curing processes. Can also be used in styrene and styrene copolymers (SAN, ABS, etc.), acrylic acid, methacrylic acid, and vinyl chloride polymerization.

Packaging and Transportation

Item Details
Standard Packaging 25 kg or 180 kg polyethylene plastic drums. IBC packaging available with caution on SADT being 50°C and Tem 55°C.
Transport Regulations Transport conforms to IMDG 5.2, UN No. 3107 (Class 5.2 Liquid Organic Peroxide).

Shelf Life

Shelf Life (Storage Conditions) Details
Shelf Life Product quality guaranteed for 6 months if stored according to manufacturer instructions.

Storage Instructions

Precaution Description
Storage Temperature Store at temperatures not exceeding 35°C. Avoid exceeding critical temperature.
Storage Environment Store away from heat sources, flames, acids, reducing agents, and heavy metals (e.g., accelerators, metal soaps).
Handling Keep packaging sealed and in a well-ventilated area. Avoid opening packaging or handling in storage.

Fire Protection

Fire Protection Description
Small Fire Handling Use dry powder or CO₂ extinguishers. Apply large amounts of water to prevent re-ignition.
Large Fire Handling For large fires, use a large water stream from a safe distance.

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