CAS 10102-17-7 Sodium Thiosulfate Pentahydrate

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Electrolytes

Sodium Thiosulfate Pentahydrate

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Catalog Number

ACM10102177

Product Name

Sodium Thiosulfate Pentahydrate

Structure

CAS

10102-17-7

Category

Electrolytes

Synonyms

Sodium thiosulfate solution

Description

Sodium thiosulfate (Na2S2O3), also spelled sodium thiosulphate, is an inorganic compound that is typically available as the pentahydrate, Na2S2O3·5H₂O. The solid is an efflorescent (loses water readily) crystalline substance that dissolves well in water. It is also called sodium hyposulfite or “hypo”.It is on the World Health Organization’s List of Essential Medicines, the most important medications needed in a basic health system.

IUPAC Name

Disodium;dioxido-oxo-sulfanylidene-λ6-sulfane;pentahydrate

Molecular Weight

248.19

Molecular Formula

H10Na2O8S2

Canonical SMILES

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

InChI

InChI=1S/2Na.H₂O3S2.5H₂O/c;1-5(2,3)4;/h;(H2,1,2,3,4);5*1H2/q2*+1;/p-2

InChI Key

PODWXQQNRWNDGD-UHFFFAOYSA-L

Boiling Point

100 °C

Melting Point

48.5 °C

Purity

99%+

Density

1.01 g/mL at 25 °C (lit.)

Appearance

White tranparent solid

Storage

Store at +5 °C to +30 °C

Complexity

82.6

Covalently-Bonded Unit Count

EC Number

231-867-5

Exact Mass

247.96124818

Formal Charge

Hazard Statements

Xi: Irritant;

Heavy Atom Count

Log P

0.18830

MDL Number

MFCD00149186

MeSH Entry Terms

pentahydrate of sodium thiosulfate;sodium thiosulfate;sodium thiosulfate (USAN);sodium thiosulfate anhydrous;sodium thiosulfate pentahydrate;thiosulfuric acid, disodium salt

Monoisotopic Mass

247.96124818

Odor

Odorless

Rotatable Bond Count

Safety Description

S24/25

Stability

Stable. Incompatible with strong acids, iodine, mercury.

Storage Conditions

Store at RT.

Topological Polar Surface Area