Melting point :176-179 °C(lit.)
storage temp. :Store below +30°C.
solubility :H2O: soluble100mg/mL, clear to slightly hazy, yellow to orange
form :Crystalline Powder or Lumps
color :Yellow
PH :3.2 (H2O, 20℃)
Water Solubility :soluble
Merck :13,4869
BRN :3760550
InChI :InChI=1S/C9H7NO.H2O4S.H2O/c11-8-5-1-3-7-4-2-6-10-9(7)8;1-5(2,3)4;/h1-6,11H;(H2,1,2,3,4);1H2
InChIKey :SJMNPMHTETVUOH-UHFFFAOYSA-N
SMILES :N1C2C(=CC=CC=2O)C=CC=1.S(O)(O)(=O)=O.[H]O[H]
CAS DataBase Reference :207386-91-2(CAS DataBase Reference)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P501 Dispose of contents/container to..…