CAS 7772-98-7 Sodium thiosulfate - Materials / Alfa Chemistry

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Electrolytes

Sodium thiosulfate

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Catalog Number

ACM7772987

Product Name

Sodium thiosulfate

Structure

CAS

7772-98-7

Category

Electrolytes

Synonyms

Sodium subsulfite

Description

DryPowder; DryPowder, Liquid; DryPowder, PelletsLargeCrystals; GasVapor; Liquid; OtherSolid; PelletsLargeCrystals;COLOURLESS CRYSTALS.

IUPAC Name

Disodium;dioxido-oxo-sulfanylidene-λ6-sulfane

Molecular Weight

158.11

Molecular Formula

Na2O3S2;Na2S2O3;Na2O3S2

Canonical SMILES

[O-]S(=O)(=S)[O-].[Na+].[Na+]

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

Boiling Point

100 °C

Melting Point

48 °C

Purity

99%+

Density

1.01 g/mL at 25 °C (lit.)

Solubility

Practically insoluble in alcohol

Appearance

White solid

Storage

Store at +5 °C to +30 °C

Color/Form

POWDER;COLORLESS MONOCLINIC CRYSTALS

Complexity

82.6

Covalently-Bonded Unit Count

EC Number

231-867-5

Exact Mass

157.90842477

Formal Charge

Heavy Atom Count

ICSC Number

1138

Log P

-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

157.90842477

Refractive Index

INDEX OF REFRACTION: 1.489 ALPHA, 1.508 BETA, 1.536 GAMMA; OPTIC SIGN +

Rotatable Bond Count

RTECS Number

XN6476000

Topological Polar Surface Area

104 Å²

UNII

L0IYT1O31N

Vapor Pressure