Melting point :27-31 °C
Boiling point :269.85°C
Density :1.109 g/mL at 20 °C(lit.)
refractive index :n20/D 1.413
Flash point :31 °C
form :solid
color :White or Colorless to Light yellow
CAS DataBase Reference :598-03-8(CAS DataBase Reference)
EPA Substance Registry System :Propane, 1,1'-sulfonylbis- (598-03-8)

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:	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.