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
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Not combustible.
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In case of fire in the surroundings: use appropriate extinguishing media.
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Explosion
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Exposure
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PREVENT DISPERSION OF DUST!
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•Inhalation
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Local exhaust.
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Fresh air, rest.
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•Skin
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Protective gloves.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
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•Eyes
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Safety spectacles.
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Give plenty of water to drink.
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Spillage Disposal
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Storage
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Packaging & Labelling
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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.
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Important Data
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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).
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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:
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Physical
Properties
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Decomposes below boiling point at 140-160°C
Melting point: 130°C
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Density: 1.52 g/cm3
Solubility in water: none
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Environmental
Data
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N O T E S
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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.
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ADDITIONAL INFORMATION
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ICSC: 1285
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4,4'-OXYBIS(BENZENESULPHONYL HYDRAZIDE)
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(C) IPCS, CEC, 1994
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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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