Melting point :193 °C (dec.)(lit.)
Water Solubility :Completely soluble in water
form :powder to crystal
color :White to Almost white
Merck :13,4523
InChI :1S/C2H6O8S2.2Na.H2O/c3-1(11(5,6)7)2(4)12(8,9)10;;;/h1-4H,(H,5,6,7)(H,8,9,10);;;1H2/q;2*+1;/p-2
InChIKey :JQYGKJGYGOFFIK-UHFFFAOYSA-L
SMILES :O.[Na+].[Na+].OC(C(O)S([O-])(=O)=O)S([O-])(=O)=O
CAS DataBase Reference :332360-05-1

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:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.