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NIOSH

4,4'-OXYBIS(BENZENESULPHONYL HYDRAZIDE)

ICSC: 1285

Benzenesulfonic acid, 4,4'-oxybis-, dihydrazide
4,4'-Oxydi(benzenesulphonohydrazide)
Diphenyloxide 4,4'-sulphonylhydrazide
p,p'-Oxybisbenzenesulphonyl hydrazide
C12H14N4O5S2 / H2NHNO2SC6H4OC6H4SO2NHNH2
Molecular mass: 358.4
ICSC # 1285 		CAS # 80-51-3
RTECS # DB7321000
November 25, 1998 Validated

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

STORAGE

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.


ICSC: 1285 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

4,4'-OXYBIS(BENZENESULPHONYL HYDRAZIDE)

ICSC: 1285

I

M

P

O

R

T

A

N

T


D

A

T

A

PHYSICAL STATE; APPEARANCE:
ODOURLESS WHITE CRYSTALLINE POWDER

PHYSICAL DANGERS:


CHEMICAL DANGERS:


OCCUPATIONAL EXPOSURE LIMITS:
TLV:
(Inhalable fraction)
0.1 mg/m3 as TWA; (ACGIH 2004).


ROUTES OF EXPOSURE:


INHALATION RISK:
Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly when dispersed.

EFFECTS OF SHORT-TERM EXPOSURE:
See Notes.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:

PHYSICAL
PROPERTIES

Decomposes below boiling point at 140-160°C
Melting point: 130°C
Density: 1.52 g/cm3
Solubility in water: none

ENVIRONMENTAL
DATA


N O T E S

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



ICSC: 1285 4,4'-OXYBIS(BENZENESULPHONYL HYDRAZIDE)
(C) IPCS, CEC, 1994
IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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