Melting point :154-155 °C(lit.)
Boiling point :519.3±52.0 °C(Predicted)
Density :1.79 g/cm3
solubility :1 M NH4OH: soluble50mg/mL, clear to turbid (orange-brown)
form :solid
pka :pK1: ca 2;pK2: 3.77;pK3: 8.66 (25°C)
color :White to Light yellow to Light orange
Stability :Hygroscopic, Moisture sensitive
InChIKey :LQCOCUQCZYAYQK-UHFFFAOYSA-N
CAS DataBase Reference :2045-00-3(CAS DataBase Reference)
NIST Chemistry Reference :O-arsanilic acid(2045-00-3)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P391 Collect spillage. Hazardous to the aquatic environment P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up. P501 Dispose of contents/container to..…