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4-Aminosalicylic acid Structure

4-Aminosalicylic acid

Chemical Properties

Melting point 135-145 °C (lit.)
Boiling point 276.03°C (rough estimate)
Density  1.3585 (rough estimate)
refractive index  1.5500 (estimate)
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
solubility  1.69g/l
form  Powder
pka 3.25(at 25℃)
color  Colorless
PH 3.5 (1g/l, H2O, 20℃)
Water Solubility  2 g/L (20 ºC)
Merck  14,477
BRN  473071
BCS Class 4/2
Stability Hygroscopic
CAS DataBase Reference 65-49-6(CAS DataBase Reference)
NIST Chemistry Reference Aminosalicylic acid(65-49-6)
EPA Substance Registry System 4-Aminosalicylic acid (65-49-6)

Safety Information

Hazard Codes  Xn,Xi,T
Risk Statements  22-36-36/37/38-45-35-61
Safety Statements  26-37/39-45-53-36-36/37/39
RIDADR  UN 1789 8/PG 3
WGK Germany  2
RTECS  VO1225000
TSCA  Yes
HS Code  29225000
Hazardous Substances Data 65-49-6(Hazardous Substances Data)
Toxicity LD50 orally in mice: 4 g/kg (Bavin)

MSDS

Usage And Synthesis

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