What is the 10-hour half-life temperature of TBPB (tert-Butyl peroxybenzoate, CAS 614-45-9)?

The 10-hour half-life temperature of TBPB (tert-Butyl peroxybenzoate, CAS 614-45-9) is 104°C. The 1-hour half-life is approximately 124°C. This high-temperature range makes TBPB suitable for curing unsaturated polyester resins, initiating high-temperature polymerization of styrene and acrylic monomers, and crosslinking polyolefins.

What is TBPB used for and where can I buy it from a China factory?

TBPB (tert-Butyl peroxybenzoate, CAS 614-45-9) is used as: (1) A curing agent for unsaturated polyester and vinylester resins; (2) A high-temperature initiator for bulk/solution polymerization of styrene, acrylate, and MMA; (3) A crosslinking peroxide for rubber and EVA. LAAP manufactures TBPB directly in Lanzhou, China with factory-direct pricing, REACH certification, and global export capability. MOQ from 25 kg.

Ester Peroxides

tert-Butyl peroxybenzoate (TBPB)

CAS 614-45-9 · Organic peroxide manufacturer & supplier in China

CAS 614-45-9UN 3103

CAS No.

614-45-9

Formula

C₁₁H₁₄O₃

Mol. Weight

194.2

UN No.

3103

Physical Properties

AppearanceSlightly yellow clear liquid

Active Oxygen8.24%

SADT65℃

Hazardous Temp55℃

Storage Temp-15/25℃

Half-Life Data

0.1 hour142℃

1 hour122℃

10 hours103℃

Decomposition Products: tert-butyl alcohol, benzoic acid, methane, acetone, ethane, benzene

Aliases & Synonyms

Other names: TBPB
Also supplied under these brand names*: Trigonox C · Luperox P(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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