p,p'-oxybis(benzenesulfonyl hydrazide)

CAS Number

80-51-3

Synonym

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

Chemical Status

Reproductive Toxicity :	Formerly listed

Reproductive Toxicity

Listed as causing:	Developmental Toxicity
Developmental Toxicity
Date of Listing:	08/07/2009
Date of Delisting:	12/13/2013
Basis for Listing :	Labor Code

Documents, Presentations, and Publications

Reproductive Toxicity:	Reconsideration of Nine Chemicals Listed under Proposition 65 as Known to Cause Reproductive Toxicity (September 2013) September 20, 2013

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