C12H14N4O5S2
358.4 g/mol
Industrial ChemicalDanger
4,4'-Oxybis(benzenesulfonyl hydrazide)
CAS80-51-3EC201-286-1
Category
Industrial Chemical
Compound Class
Other
Primary Use
Blowing agent for sponge rubber and expanded plastics
4,4'-Oxybis(benzenesulfonyl hydrazide) is an industrial chemical used primarily as a blowing agent in the production of sponge rubber and expanded plastics. It is also listed under California Proposition 65 as a substance known to the state to cause cancer or reproductive toxicity.
Blowing agent for sponge rubberBlowing agent for expanded plastics
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
Methyl methacrylate
CAS80-62-6
Production of acrylic plastics and polymers
ReferenceSame Category
Methyl 2-chloroacrylate
CAS80-63-7
Monomer for specialty polymers
ReferenceSame Category
Dimethyl imidazolidinone
CAS80-73-9
Chemical intermediate
ReferenceSame Category
Calstar
CAS8000-75-7
lubricant and stabilizer in plastics
Safety Reference
Danger
H242Heating may cause a fire
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H228Flammable solid
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H341Suspected of causing genetic defects
H373May cause damage to organs through prolonged or repeated exposure
H411Toxic to aquatic life with long lasting effects
H320Causes eye irritation
H371May cause damage to organs
H401Toxic to aquatic life
H372Causes damage to organs through prolonged or repeated exposure
H303May be harmful if swallowed
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 4,4'-Oxybis(benzenesulfonyl hydrazide) (CAS 80-51-3) is 2935.90.
HS code (international, 6-digit)
2935.90
EU CN code (8-digit)
2935 90 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide
InChIKey
NBOCQTNZUPTTEI-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1OC2=CC=C(C=C2)S(=O)(=O)NN)S(=O)(=O)NN
Synonyms (42)
- OBSH
- S-250
- 4, hydrazide)
- Cellmic S
- Celmike S
- Celogen
- Celogen OT
- Cenitron OB
- Genitron ob
- NEOCELLBORN N
- Serogen
- Zhenitron OV
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