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.