WESTCO™ TBMC (Antioxidant 300) 4,4’-Thiobis(6-tert-butyl-m-cresol) CAS# 96-69-5

WESTCO™ TBMC is a low hindered phenolic antioxidant providing optimum balance between scorch resistance, long term heat aging and crosslinking efficiency.

Packaging:  25KG paper bag

Storage:   TBMC should be stored under suitable conditions (dry & cool).
Maximum recommended storage time from the date of analysis is two years.


Appearance: White Powder

99% min

*Ash Content

0.1% max


0.5% max

*Melting Point (◦C)


Bulk density

1.11 g/cm³ - Typical

* Actual data will be reported on Certificate of Analysis

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For WESTCO™ TBMC (Antioxidant 300) - 4,4’-Thiobis(6-tert-butyl-m-cresol)

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      • 60 S. Seiberling Street
      • Akron, OH 44305

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