Melting point :8 °C
Boiling point :200.95°C (rough estimate)
Density :1.25 g/mL at 20 °C (lit.)
refractive index :n20/D 1.44
storage temp. :Inert atmosphere,Room Temperature
pka :1.92±0.50(Predicted)
form :liquid (clear)
color :clear brown
BRN :1747491
InChI :1S/C3H8O3S/c1-2-3-7(4,5)6/h2-3H2,1H3,(H,4,5,6)
InChIKey :KCXFHTAICRTXLI-UHFFFAOYSA-N
SMILES :CCCS(O)(=O)=O
CAS DataBase Reference :5284-66-2(CAS DataBase Reference)
EPA Substance Registry System :1-Propanesulfonic acid (5284-66-2)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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:	P280 Wear protective gloves/protective clothing/eye protection/face protection. 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. P363 Wash contaminated clothing before reuse. P405 Store locked up.