INTOX Home Page
4,4'-OXYBIS(BENZENESULPHONYL HYDRAZIDE) ICSC: 1285
Date of Peer Review: November 1998

Benzenesulfonic acid, 4,4'-oxybis-, dihydrazide
4,4'-Oxydi(benzenesulphonohydrazide)
Diphenyloxide 4,4'-sulphonylhydrazide
p,p'-Oxybisbenzenesulphonyl hydrazide
CAS # 80-51-3 C12H14N4O5S2 / H2NHNO2SC6H4OC6H4SO2NHNH2
RTECS # DB7321000 Molecular mass: 358.4
UN #
EC #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Not combustible.

In case of fire in the surroundings: use appropriate extinguishing media.
EXPLOSION


EXPOSURE
PREVENT DISPERSION OF DUST!

Inhalation
Local exhaust.
Fresh air, rest.
Skin
Protective gloves.
Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes
Safety spectacles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion
Do not eat, drink, or smoke during work.
Rinse mouth. Give plenty of water to drink.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then remove to safe place. Personal protection: P1 filter respirator for inert particles.
EU Classification
UN Classification

EMERGENCY RESPONSE SAFE STORAGE


IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 2004

SEE IMPORTANT INFORMATION ON BACK


4,4'-OXYBIS(BENZENESULPHONYL HYDRAZIDE) ICSC: 1285
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
ODOURLESS WHITE CRYSTALLINE POWDER

OCCUPATIONAL EXPOSURE LIMITS:
TLV: (Inhalable fraction) 0.1 mg/m as TWA; (ACGIH 2004).
INHALATION RISK:
Evaporation at 20C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly when dispersed.

EFFECTS OF SHORT-TERM EXPOSURE:
See Notes.

PHYSICAL PROPERTIES
Decomposes below boiling point at 140-160C
Melting point: 130C
Density: 1.52 g/cm
Solubility in water: none
ENVIRONMENTAL DATA

NOTES
Health effects of exposure to the substance have not been investigated adequately. Cellmic S, Celmike S, Celogen, Celogen OT, Genitron OB, Serogen, Gidrazid SDO are trade names.
Card has been partly updated in April 2005. See section Occupational Exposure Limits.
ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 2004