4,4′-Oxybis(benzenesulfonyl hydrazide)
Pharmaceutical Materials 2025-03-02
CAS Number: 80-51-3
Molecular Formula: C12H14N4O5S2
Molecular Weight: 358.39
Appearance: White crystalline powder
Melting Point: 160-161°C
Usage: Mainly used as a blowing agent in the rubber and plastics industry.
| Attribute | Details |
|---|---|
| Chemical Name | 4.4′-Oxybis(benzenesulfonyl hydrazide) |
| CAS Number | 80-51-3 |
| Synonyms | 4.4′-Oxydibenzenesulfonyl hydrazide; Diphenyloxide-4.4′-disulfonohydrazide; Foaming agent OB; etc. |
| Molecular Formula | C12H14N4O5S2 |
| Molecular Weight | 358.39 g/mol |
| Appearance | White crystalline powder |
| Physical Properties | Density: 1.52 g/cm³; Melting Point: 160-161°C; Refractive Index: 1.645 |
| Solubility | Slightly soluble in hot water and ethanol; insoluble in cold water and various organic solvents |
| Stability | Stable under normal conditions. May decompose when heated or exposed to certain conditions, releasing nitrogen gas. |
| Main Uses | Primarily used as a blowing agent in the rubber and plastics industries. It is also employed as an intermediate in fine chemical production. |
| Safety Information | Keep away from heat, sparks, and open flames. Avoid contact with skin and eyes. Store in a cool, dry place, away from incompatible materials. Handle with caution as it may be harmful if swallowed or inhaled. |
| Supplier Information | Available from various chemical suppliers globally, often packaged in drums, jugs, or bottles, depending on the quantity ordered. |
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