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Appearance:Off -White Crystalline Solid
Throughput:100|Kilogram|Month
pd_productuse:intermediate
Delivery Time:large stock
Purity:99% purity
4,4'-Diaminodiphenylsulfone Chemical Properties
Melting point 175-177 °C(lit.)
Boiling point 511.7±35.0 °C(Predicted)
density 1.2701 (rough estimate)
refractive index 1.5950 (estimate)
storage temp. -20°C Freezer
solubility 0.38g/l
pka pKb 13.0(at 25℃)
form Crystalline Powder
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
Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
InChIKey MQJKPEGWNLWLTK-UHFFFAOYSA-N
CAS DataBase Reference 80-08-0(CAS DataBase Reference)
IARC 3 (Vol. 24, Sup 7) 1987
NIST Chemistry Reference Dapsone(80-08-0)
EPA Substance Registry System Dapsone (80-08-0)
Safety Information
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
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