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Sulfanilic acid Structure

Sulfanilic acid

Chemical Properties

Melting point >300 °C(lit.)
Boiling point 288 ℃
Density  1.485
vapor pressure  0Pa at 25℃
refractive index  1.5500 (estimate)
storage temp.  Store below +30°C.
solubility  10g/l
form  solid
pka 3.24(at 25℃)
color  White to Off-White
PH 2.5 (10g/l, H2O, 20℃)
Water Solubility  0.1 g/100 mL (20 ºC)
Merck  14,8926
BRN  908765
Stability Stable. Incompatible with strong oxidizing agents.
InChIKey HVBSAKJJOYLTQU-UHFFFAOYSA-N
LogP -2.3 at 25℃
CAS DataBase Reference 121-57-3(CAS DataBase Reference)
NIST Chemistry Reference Benzenesulfonic acid, 4-amino-(121-57-3)
EPA Substance Registry System Sulfanilic acid (121-57-3)

Safety Information

Hazard Codes  C,Xi
Risk Statements  36/38-43-34
Safety Statements  26-36/37/39-45-37-24-36/37
RIDADR  UN 2790 8/PG 3
WGK Germany  1
RTECS  WP3895500
Autoignition Temperature >400 °C
TSCA  Yes
HS Code  29214210
Hazardous Substances Data 121-57-3(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 12300 mg/kg

MSDS

Usage And Synthesis

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