LQ-TAPEH tert-Amyl peroxy-2-ethylhexanoate 686-31-7

Item	Content
Product Name	Initiator LQ-TAPEH
Chemical Name	tert-Amyl peroxy-2-ethylhexanoate
Molecular Formula	C₁₃H₂₆O₃
Molecular Weight	230.3
Pure Peroxide Active Oxygen Content	6.95%
CAS No.	686-31-7
UN No.	3115
Level	5.2
Classification	D-type liquid organic peroxide, temperature-controlled transport. Rail and air transport are prohibited.

Properties

Property	Description
Appearance	Colorless transparent oily liquid
Solubility	Insoluble in water, soluble in most organic solvents
Freezing Point	Below -23°C
Viscosity	2.1 mPa.s (-10°C)

Safety Indicators

Half-Life	Temperature
0.1 hour	111℃
1 hour	91℃
10 hours	73℃

Thermal Stability Data	Temperature
Self-accelerating Decomposition Temperature (SADT)	35℃
Critical Temperature (Tem)	25℃
Control Temperature (Tc)	20℃
Storage Temperature (Tsmax/TSmin)	-20/10℃
Activation Energy (E)	132.11 kJ/mol

Applications

Application	Description
Polymerization Initiator	Suitable for polymerization of acrylic esters, methacrylic esters, styrene, acrylonitrile, and important for vinyl acetate (EVA) copolymerization.
Curing Agent for Unsaturated Polyester	Used as a curing agent in the high-temperature curing process for unsaturated polyesters, with curing temperatures of 120-160°C, especially in hot press molding.

Packaging and Transport

Packaging	Description
Standard Packaging	20 kg polyethylene packaging. Custom packaging available upon request.
Transport	LQ-TAPEH is classified as a Class D liquid organic peroxide, UN number: 3115, Class 5.2, with temperature-controlled packaging. Rail and air transport are prohibited.

Storage Instructions

Precaution	Description
Storage Conditions	Store in a cool, ventilated space, with a warehouse temperature not exceeding 10°C.
Storage Precautions	Keep away from fire, heat sources, acids, reducing agents, flammable substances, and combustibles.
Handling Precautions	Ensure storage facilities, lighting, and ventilation are explosion-proof, with switches located outdoors. Handle with care to avoid container damage and vibration. Personal protective equipment should be used during handling.

Fire Protection

Precaution	Description
Small Fire Handling	Use foam or dry powder fire extinguishers for small fires.
Large Fire Handling	Evacuate to a safe distance and use a water hose to extinguish. Notify fire services for further handling.