What is the molecular formula of sodium thiosulfate pentahydrate?

The molecular formula of sodium thiosulfate pentahydrate is H10Na2O8S2.

What is the molecular weight of sodium thiosulfate pentahydrate?

The molecular weight of sodium thiosulfate pentahydrate is 248.19 g/mol.

What are the synonyms of sodium thiosulfate pentahydrate?

The synonyms of sodium thiosulfate pentahydrate are disodium thiosulfate pentahydrate, Sodium thiosulfate, pentahydrate, Sodium thiosulfate hydrate.

What is the IUPAC name of sodium thiosulfate pentahydrate?

The IUPAC name of sodium thiosulfate pentahydrate is disodium;dioxido-oxo-sulfanylidene-λ 6 -sulfane;pentahydrate.

What is the InChI of sodium thiosulfate pentahydrate?

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

What is the InChIKey of sodium thiosulfate pentahydrate?

The InChIKey of sodium thiosulfate pentahydrate is PODWXQQNRWNDGD-UHFFFAOYSA-L.

What are the CAS identifiers of sodium thiosulfate pentahydrate?

The CAS identifier of sodium thiosulfate pentahydrate is 10102-17-7.

What is the molecular weight of sodium in sodium thiosulfate pentahydrate?

The molecular weight of sodium in sodium thiosulfate pentahydrate is not provided in the reference.

How many hydrogen bond donor counts are there in sodium thiosulfate pentahydrate?

There are 5 hydrogen bond donor counts in sodium thiosulfate pentahydrate.

How many hydrogen bond acceptor counts are there in sodium thiosulfate pentahydrate?

There are 9 hydrogen bond acceptor counts in sodium thiosulfate pentahydrate.

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Sodium Thiosulfate Pentahydrate

Name: Sodium Thiosulfate Pentahydrate
SKU: ACM10102177-5
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Catalog NumberACM10102177-5

CAS Number10102-17-7

CategoryElectrolytes

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

Application

Sodium Thiosulfate Pentahydrate serves a multifaceted role across various fields due to its unique chemical properties. Primarily, it is used as an analytical reagent in laboratories for redox reactions and other processes. This versatile compound finds application in photographic processing and gold extraction, as well as in dechlorinating tap water and removing free bromine from solutions. It also helps in checking the pH of bleach solutions using liquid indicators. Moreover, Sodium Thiosulfate Pentahydrate is significant in the tanning of leather, acts as an active component in hand warmers and chemical heating pads, and functions as an anionic surfactant in pharmaceutical dispersions. Its medical applications include use as an antidote to cyanide poisoning, a nephroprotective agent, and an antifungal drug. Additionally, sodium thiosulfate is used as an antioxidant in various pharmaceutical preparations, including ophthalmic, intravenous, and oral forms. This compound's ability to form S-alkylthiosulfonates, or Bunte salts, is integral in the preparation of thioglycolic acid, showcasing its broad utility in both industrial and medical contexts.

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