Melting point :167-170 °C(lit.)
Density :1.43
bulk density :540-680kg/m3
Flash point :92 °C
storage temp. :Store at +2°C to +8°C.
solubility :H2O: passes test
form :Crystalline Powder
pka :pK1:4.54(+1) (25°C)
color :White to off-white
PH :8-10 (50g/l, H2O, 20℃)
Odor :Chlorine like
PH Range :8 - 10
Water Solubility :Soluble in water and ethyl alcohol. Insoluble in benzene and ethers.
Sensitive :Moisture Sensitive
Merck :14,2075
BRN :3924168
InChI :1S/C7H7ClNO2S.Na.3H2O/c1-6-2-4-7(5-3-6)12(10,11)9-8;;;;/h2-5H,1H3;;3*1H2/q-1;+1;;;
InChIKey :NZYOAGBNMCVQIV-UHFFFAOYSA-N
SMILES :O.O.O.Cc1ccc(cc1)S(=O)(=O)N([Na])Cl
LogP :2.111 (est)
CAS DataBase Reference :7080-50-4(CAS DataBase Reference)

Symbol(GHS):
Signal word:	Danger
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 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 H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501
Precautionary statements:	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.