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Substance Index

Di(tert-butylperoxyisopropyl)benzene

DPIBCAS 25155-25-34 brands · 26 models

Substance Identity

Chemical name
Di(tert-butylperoxyisopropyl)benzene
Formula
C20 H34 O4
Molecular weight
338.5
CAS number
25155-25-3
UN No.
3106
EINECS
218-664-7
Theoretical active oxygen
9.45%
Abbreviation
DPIB

Safety Data

Half-life temperature

0.1 hour

156°C

1 hour

134°C

10 hours

115°C

Self-accelerating decomposition temp. (SADT)
80°C
Activation energy
152.69 kJ/mol

Cross-Brand Model Reference

Grades sharing this CAS are interchangeable in most formulations. Re-check assay, carrier and half-life before switching.

Applications

  • 1. An excellent degradant for polypropylene: It can be used to produce rheological polypropylene with low molecular weight, a narrow molecular weight distrib...
  • 2. It serves as an initiator for styrene polymerization. This product is an initiator for bulk polymerization of styrene; it is characterized by a higher mol...
  • 3. It is the most common rubber vulcanizing agent: This product offers excellent scorch resistance. It is typically diluted with silicone oil, other neutral...
  • 175°C.

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