LQ-TAPA Tert-amyl peroxyacetate 690-83-5

ItemContent
Product NameInitiator LQ-TAPA
Chemical NameTert-amyl peroxyacetate
Molecular FormulaC₇H₁₄O₃
Molecular Weight146.20
Theoretical Active Oxygen Content10.94%
CAS No.690-83-5
UN No.3107

Properties

PropertyDescription
AppearanceColorless, transparent liquid
SolubilityInsoluble in water, soluble in most organic solvents
Density (20°C)0.923 g/cm³
Refractive Index (20°C)1.035
Decomposition Temperature159°C
Major Decomposition ProductsTert-butanol, acetic acid, di-tert-butyl ether, methane, ethane

Safety Indicators

Half-LifeTemperature
0.1 hour134°C
1 hour114°C
10 hours96°C
Thermal Stability DataTemperature
Self-accelerating Decomposition Temperature (SADT)60°C
Critical Temperature (Tem)--
Control Temperature (Tc)--
Storage Temperature (Tsmax)--/30°C
Activation Energy (E)152.16 KJ/mol

Applications

ApplicationDescription
Polymerization Initiator (LDPE)Excellent low-temperature initiator for LDPE, especially in tubular processes. Can be combined with other initiators like LQ-TBPV, LQ-TBPEH, or LQ-TBPB for enhanced polymerization.
Curing Agent for Thermoset ResinsUsed as a high-temperature curing agent for unsaturated polyesters.
Polymerization Initiator (Styrene and Acrylates)Initiator for the polymerization of styrene or styrene copolymers, as well as methyl methacrylate and vinyl acetate.

Packaging and Transport

PackagingDescription
Standard PackagingTypically packaged in 20 kg polyethylene containers. Custom packaging available upon request.
TransportFollows transportation regulations for organic peroxides (Class 5.2, UN 3107).

Storage Instructions

PrecautionDescription
Storage ConditionsStore in a cool, ventilated area with a maximum temperature of 30°C. Keep away from acids, reducing agents, flammable materials, and other reactive substances.
Storage FacilitiesEnsure proper ventilation, and use explosion-proof lighting and switches outdoors.
Handling PrecautionsHandle carefully to avoid container damage. Prevent impact and vibration. Personal protective equipment should be used during repacking and handling.

Fire Protection

PrecautionDescription
Small Fire HandlingFor small fires, use foam or dry powder extinguishers immediately, followed by large amounts of water to prevent re-ignition.
Large Fire HandlingIn case of large fires, evacuate to a safe distance and use water hoses for firefighting. Notify fire services for assistance.

Send Us Message

Whether you're looking for reliable raw materials or need tailored solutions, our team is here to assist. Fill in the form, and we’ll get back to you with comprehensive product details and expert guidance.

Call Us

+86 13775225407

Our Location

No.778, West Section of Huaihe Road, Xixiaochuan Village, Qinchuan Town, Lanzhou New Area, Yongdeng County, Lanzhou City, Gansu Province, China

lzaux_contant
en_USEnglish