4,4'-Diaminodiphenyl Sulfone , 97% , 80-08-0

Synonym(s):
DDS;Dapsone;Bis(4-aminophenyl) sulfone;4,4′-Diaminodiphenyl sulfone;4-Aminophenyl sulfone

CAS NO.：80-08-0

Empirical Formula: C12H12N2O2S

Molecular Weight: 248.3

MDL number: MFCD00007887

EINECS: 201-248-4

PRODUCT Properties

• Melting point: 175-177 °C(lit.)
• Boiling point: 511.7±35.0 °C(Predicted)
• Density: 1.2701 (rough estimate)
• vapor pressure: 0.004Pa at 25℃
• refractive index: 1.5950 (estimate)
• storage temp.: 2-8°C
• solubility: 0.38g/l
• form: Crystalline Powder
• pka: pKb 13.0(at 25℃)
• color: White to beige
• PH: 5.5-7.5 (H2O, 20℃)(saturated aqueous solution)
• Water Solubility: <0.1 g/100 mL at 20 ºC
• Merck: 14,2822
• BRN: 788055
• BCS Class: 4,2
• Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
• InChIKey: MQJKPEGWNLWLTK-UHFFFAOYSA-N
• LogP: 0.97 at 25℃
• CAS DataBase Reference: 80-08-0(CAS DataBase Reference)
• NIST Chemistry Reference: Dapsone(80-08-0)
• IARC: 3 (Vol. 24, Sup 7) 1987
• EPA Substance Registry System: Dapsone (80-08-0)

Description and Uses

Hardening agent in the curing of epoxy resins.

Safety

• Symbol(GHS): GHS07,GHS08,GHS09
• Signal word: Danger
• Hazard statements: H302-H370-H373-H411
• Precautionary statements: P260-P264-P270-P273-P301+P312-P308+P311
• Hazard Codes: Xn
• Risk Statements: 22
• Safety Statements: 22
• RIDADR: 3249
• WGK Germany: 1
• RTECS: BY8925000
• TSCA: Yes
• HazardClass: 6.1(b)
• PackingGroup: III
• HS Code: 29051620
• HS Code: 29309070
• Hazardous Substances Data: 80-08-0(Hazardous Substances Data)
• Toxicity: LD50 orally in Rabbit: 1000 mg/kg LD50 dermal Rabbit > 4000 mg/kg