Melting point :-80°C
Boiling point :151-152 °C/755 mmHg (lit.)
Density :1.753 g/mL at 25 °C (lit.)
vapor density :4 (vs air)
vapor pressure :1 mm Hg ( 25 °C)
refractive index :n20/D 1.433(lit.)
Flash point :158°C
storage temp. :Room Temperature, under inert atmosphere
solubility :Miscible with hydrocarbons.
form :Oily Liquid, Fuming In Air
pka :-6.49±0.15(Predicted)
Specific Gravity :1.753
color :Yellow to brown
PH Range :1
PH :<1 (20°C in H2O, Aqueous solution; rigorous decomposition)
Water Solubility :reacts
Sensitive :Moisture Sensitive
Merck :14,2165
Stability :Stable, but reacts violently with water. In case of spills, mop up with sand - do not add water. Reacts with most metals to yield (flammable) hydrogen gas. Incompatible with strong bases, carbonates, water, combustible materials, strong oxidizing agents, most metals, organic materials, sulfides, cyanides, carbides.
LogP :-0.003 at 25℃
CAS DataBase Reference :7790-94-5(CAS DataBase Reference)
EPA Substance Registry System :Chlorosulfonic acid (7790-94-5)

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 H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area. 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.