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
Specific Activity :17.6-26.4nmol/min·mg
BCS Class :4/2
Stability :Hygroscopic
Major Application :peptide synthesis
InChI :1S/C7H7NO3/c8-4-1-2-5(7(10)11)6(9)3-4/h1-3,9H,8H2,(H,10,11)
InChIKey :WUBBRNOQWQTFEX-UHFFFAOYSA-N
SMILES :Nc1ccc(C(O)=O)c(O)c1
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)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405 Store locked up.