What is TAPEH (CAS 686-31-7) used for?

TAPEH (tert-Amyl peroxy-2-ethylhexanoate, CAS 686-31-7) is a low-temperature peroxyester initiator for the suspension and bulk polymerization of vinyl chloride (PVC) in the 45-65°C range, and for the polymerization of ethylene, acrylates and methacrylates. It is also used to cure unsaturated polyester resins.

What is the 10-hour half-life temperature of TAPEH?

The 10-hour half-life temperature of TAPEH (CAS 686-31-7) is 73°C. The 1-hour half-life is 91°C and the 0.1-hour half-life is 111°C.

How should TAPEH be stored?

TAPEH has an SADT of 35°C and a UN number of 3115, so it must be kept refrigerated in the range -20°C to 10°C. Keep it away from heat sources, direct sunlight and incompatible materials such as acids and reducing agents.

Where can I buy TAPEH from a factory in China?

LAAP manufactures TAPEH (CAS 686-31-7) directly in Lanzhou, China, and ships in 20 kg polyethylene drums with REACH/ISO documentation. Factory-direct pricing, free samples and 24-hour quotes are available at info@lzaux.com.

Ester Peroxides

tert-Amyl peroxy-2-ethylhexanoate (TAPEH)

CAS 686-31-7 · Organic peroxide manufacturer & supplier in China

CAS 686-31-7UN 3115

CAS No.

686-31-7

Formula

C₁₃H₂₆O₃

Mol. Weight

230.3

UN No.

3115

tert-Amyl peroxy-2-ethylhexanoate (TAPEH)

Physical Properties

Appearanceclear, colorless, oily liquid. It can be diluted with a variety of solvents, including isododecane or odorless mineral oil (OMS), depending on the specific requirements of the application.

Active Oxygen6.95%

SADT35℃

Hazardous Temp25℃

Storage Temp-20/10℃

Half-Life Data

0.1 hour111℃

1 hour91℃

10 hours73℃

Decomposition Products: tert-amyl alcohol, methane, ethane, 2-ethyl acid, n-heptane, acetone, methyl ethyl ketone, carbon dioxide

Aliases & Synonyms

Other names: TAPEH
Also supplied under these brand names*: Trigonox 121 · Lupersol TA 75(Commercial Reference)*

* Brand names are trademarks of their respective owners and are referenced for identification purposes only. LAAP products are not manufactured or endorsed by these companies.

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