Nouryon Trigonox 187-W40 Diisobutyryl peroxide 3437-84-1

Trigonox 187-W26

Diisobutyryl peroxide

CAS Number: 3437-84-1

Physical form: Emulsion

Trigonox® 187-W40 is a polymerization initiator (co-)polymerization of vinyl chloride and vinylidene chloride for the production of PVC.


Vinyl chloride polymerization: Trigonox® 187-W40 is an extremely reactive initiator developed for the low temperature polymerization of vinyl chloride for the production of high K-value PVC. Trigonox® 187-W40 can also be used in combination with other peroxides, e.g. di(2-ethylhexyl) peroxydicarbonate (Trigonox® EHP), to improve reactor efficiency.

Diisobutyryl peroxide DIPB 3437-84-1

Diisobutyryl peroxide Trade Name: Initiator DIPB English Name: Diisobutyryl peroxide Chemical Name: Diisobutyryl peroxide Chemical Structure Formula: Molecular Formula: C8H14O4 Molecular Weight: 174.2 Theoretical Reactive Oxygen Amount: 9.18% CAS No.: 3437-84-1 UN No. 3115 Level: Type 5.2 D Liquid organic peroxide, temperature controlled transportation. Rail and air transportation are prohibited. Safety Indicators: Half-life: 0.1 hr: 57°C 1 hr: 39°C 10 hr: 23°C Thermal Stability Data: Self-accelerating Decomposition Temp.

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