4,4'-Oxybis(benzenesulfonyl hydrazide) , ≥93% , 80-51-3

CAS NO.：80-51-3

Empirical Formula: C12H14N4O5S2

Molecular Weight: 358.39

MDL number: MFCD00007587

EINECS: 201-286-1

PRODUCT Properties

• Melting point: 160-161 °C (dec.)(lit.)
• Boiling point: 590.0±60.0 °C(Predicted)
• Density: 1.4940 (rough estimate)
• vapor pressure: 0.001Pa at 80℃
• refractive index: 1.6000 (estimate)
• storage temp.: -20°C Freezer, Under inert atmosphere
• solubility: DMSO (Slightly, Sonicated), Methanol (Slightly, Heated, Sonicated)
• pka: 8.76±0.10(Predicted)
• form: Solid
• color: White
• Water Solubility: Insoluble in water.
• Henry's Law Constant: 7.8×10¹¹ mol/(m³Pa) at 25℃, HSDB (2015)
• Exposure limits: ACGIH: TWA 0.1 mg/m3
• LogP: 0.08
• CAS DataBase Reference: 80-51-3(CAS DataBase Reference)
• NIST Chemistry Reference: 4,4'-Oxydibenzenesulfonyl hydrazide(80-51-3)
• EPA Substance Registry System: Benzenesulfonic acid, 4,4'-oxybis-, 1,1'-dihydrazide (80-51-3)

Description and Uses

4,4'-Oxybis(benzenesulfonyl hydrazide) (OBSH) is a foaming agent widely used in the manufacture of porous plastics and rubber. OBSH has been included in Japan’s positive list system for food utensils, containers, and packaging and is registered as a food additive[1].

4,4''-Oxydibenzenesulfonyl Hydrazide can be used for an antimicrobial mask with an anti-fog function.

Safety

• Symbol(GHS): GHS07,GHS08,GHS09
• Signal word: Warning
• Hazard statements: H302-H315-H317-H319-H341-H373-H410
• Precautionary statements: P264-P270-P280-P261-P272-P201-P202-P260-P273-P301+P312-P330-P302+P352-P332+P313-P362+P364-P333+P313-P305+P351+P338-P337+P313-P308+P313-P314-P391-P405-P501
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-37/39
• WGK Germany: 3
• RTECS: DB7321000
• TSCA: TSCA listed
• HazardClass: 4.1
• Hazardous Substances Data: 80-51-3(Hazardous Substances Data)
• Toxicity: mma-sat 800 mg/plate NEZAAQ 33,474,78
• REACH Registrations: Active