p,p'-oxybis(benzenesulfonyl hydrazide)
CAS Number
80-51-3Synonym
4,4'-oxydibenzenesulfonohydrazide; 80-51-3; OBSH; Celogen; Serogen; Genitron ob; 4,4'-Oxybis(benzenesulfonyl hydrazide); Diphenyloxide-4,4'-disulfohydrazide
Occurrence/Use
Used as a blowing agent for sponge rubber and expanded plastics
Date Added
02/03/2016
Proposition 65
| Reproductive Toxicity: |
Formerly listed
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| Listed for: |
Developmental Toxicity
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| Developmental Toxicity | |
| Date of Listing: |
08/07/2009
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| Date of Delisting: |
12/13/2013
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| Basis for Listing: |
Labor Code
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| Reproductive Toxicity: |
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Public notices related to this chemical:
- Chemicals Listed Effective August 7, 2009 as Known to the State of California to Cause Cancer or Reproductive Toxicity
- Chemicals Delisted December 13, 2013 as Known to the State of California to Cause Reproductive Toxicity: tert‑amyl methyl ether, 2-ethylhexanoic acid, ethyl-tert-butyl ether, p,p’‑oxybis(benzenesulfonyl hydrazide) and 1,3,5-triglycidyl-s-triazinetrione