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4,4'-Diaminodiphenylsulfone Structure


Chemical 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.
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)

Safety Information

Hazard Codes  Xn
Risk Statements  22
Safety Statements  22
RIDADR  3249
WGK Germany  1
RTECS  BY8925000
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


Usage And Synthesis

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