Description
DryPowder; DryPowder, Liquid; DryPowder, PelletsLargeCrystals; GasVapor; Liquid; OtherSolid; PelletsLargeCrystals;COLOURLESS CRYSTALS.
IUPAC Name
disodium;dioxido-oxo-sulfanylidene-ж╦6-sulfane
Molecular Weight
158.11g/mol
Molecular Formula
Na2O3S2;Na2S2O3;Na2O3S2
InChI
InChI=1S/2Na.H₂O3S2/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
InChI Key
AKHNMLFCWUSKQB-UHFFFAOYSA-L
Melting Point
48.5 °C
Density
1.667;1.7 g/cm³
Solubility
PRACTICALLY INSOL IN ALCOHOL;50 G SOL IN 100 CC WATER; 231 G @ 100 °C;Solubility in water, g/100ml at 20 °C: 20.9
Color Form
POWDER;COLORLESS MONOCLINIC CRYSTALS
Complexity
82.6
Covalently-Bonded Unit Count
3
Decomposition
DANGEROUS; WHEN HEATED TO DECOMP, THEY EMIT HIGHLY TOXIC FUMES OF /DISODIUM OXIDE AND SULFUR OXIDES/.;300 °C
EC Number
231-867-5
Exact Mass
157.908425g/mol
Formal Charge
0
H-Bond Acceptor
4
H-Bond Donor
0
Heavy Atom Count
7
ICSC Number
1138
LogP
-4.35 (calculated)
MeSH Entry Terms
pentahydrate of sodium thiosulfate;sodium thiosulfate;sodium thiosulfate (USAN);sodium thiosulfate anhydrous;sodium thiosulfate pentahydrate;thiosulfuric acid, disodium salt
Monoisotopic Mass
157.908425g/mol
Refractive Index
INDEX OF REFRACTION: 1.489 ALPHA, 1.508 BETA, 1.536 GAMMA; OPTIC SIGN +
Rotatable Bond Count
0
RTECS Number
XN6476000
UNII
L0IYT1O31N
Vapor Pressure
Vapor pressure at 20 °C: negligible
