Melting point :30-60 °C
Boiling point :137℃
Density :1.32
vapor pressure :69.8Pa at 20℃
refractive index :1.5151 (estimate)
Flash point :>230 °F
storage temp. :Store below +30°C.
solubility :H2O: soluble0.1g/10 mL, clear, colorless
form :Damp Crystalline Solid or Fused Mass
pka :0.7(at 25℃)
color :Yellow to light brown
PH :2 (H2O, 20℃)(saturated solution)
Water Solubility :soluble
Sensitive :Hygroscopic
Merck :14,1070
BRN :742513
Stability :Stable. Incompatible with strong oxidizing agents, bases, many organic compounds.
InChIKey :SRSXLGNVWSONIS-UHFFFAOYSA-N
LogP :0.41 at 25℃
CAS DataBase Reference :98-11-3(CAS DataBase Reference)
NIST Chemistry Reference :Benzenesulfonic acid(98-11-3)
EPA Substance Registry System :Benzenesulfonic acid (98-11-3)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H290 May be corrosive to metals Corrosive to Metals Category 1 Warning P234, P390, P404 H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
Precautionary statements:	P234 Keep only in original container. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.