Sodium thiosulfate - purum p.a., anhydrous, ≥98%(RT) , CAS No.7772-98-7

CAS: 7772-98-7 Cat. No.: S433977 Formula: Na₂S₂O₃ Molecular Weight: 158.11 EC Number: 231-867-5

GRADE & PURITY Anhydrous Grade, purum p.a., ≥98%(RT)

Synonyms

sodium thiosulfate (anhydrous)|SODIUM THIOSULFATE [WHO-DD]|Sodium thiosulphate, anhydrous|Chlorine Control|Ins no.539|Sodium oxide sulfide|Thiosulfuric acid (H2S2O3), sodium salt (1:2)|Hypo alcohol, in ethanol|Sodothiol; Sulfactol; Sulfothiorine|Thiosulfuric acid (H2S2O3), disodium salt|Cyanide Antidote Package|sulfothiorine|Chlorine Cure|Hypo|sodium sulfurothioate hydrate (2:1:5)|Antichlor|anhydrous sodium thiosulfate|Declor-It|Disodium thiosulfate|sodium sulfothioate|disodium;dioxido-oxo-sulfanylidene-lambda6-sulfane|sodium thiosulfat|Sodothiol|PEDMARK|Sodium hyposulfit|SODIUM THIOSULFATE ANHYDROUS (II)|SODIUM THIOSULFATE [HSDB]|Hypo (VAN)|Thiosulfate, Sodium, Pentahydrate|SODIUM THIOSULFATE ANHYDROUS [II]|SODIUM THIOSULFATE|sodium thio-sulfate|SODIUM THIOSULFATE [MI]|Thiosulfuric acid, disodium salt|sodiumthiosulfate|disodium sulfurothioate

Storage

Room temperature

Overview

The product is anhydrous sodium thiosulfate (Na 2 S 2 O 3 ). It can be obtained from Na 2 S 2 O 3 .10H 2 O by heating above 100°C. It can be synthesized from sodium sulfate.

Application

Sodium thiosulfate (Na 2 S 2 O 3 ) may be used in the following studies: Industrial synthesis of methylene blue. Quantitative estimation of elemental iodine by titrimetry. Detection of trace levels of cysteine by employing triangular silver nanoplates (TAg-NPs).

Specifications

Synonyms

sodium thiosulfate (anhydrous) | SODIUM THIOSULFATE [WHO-DD] | Sodium thiosulphate, anhydrous | Chlorine Control | Ins no.539 | Sodium oxide sulfide | Thiosulfuric acid (H2S2O3), sodium salt (1:2) | Hypo alcohol, in ethanol | Sodothiol; Sulfactol; Sulfothiorine | Thiosulfuric acid (H2S2O3), disodium salt | Cyanide Antidote Package | sulfo Show more

Specifications & Purity

purum p.a., anhydrous, ≥98%(RT)

Storage

Room temperature

Grade

Anhydrous Grade, purum p.a.

Purity

≥98%(RT)

Names and Identifiers

Pubchem Sid

508815285

Canonical Smiles

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

IUPAC Name

disodium;dioxido-oxo-sulfanylidene-λ6-sulfane

InChIKey

AKHNMLFCWUSKQB-UHFFFAOYSA-L

INCHI

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

Isomeric SMILES

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

Molecular Weight

158.11

Taxonomic Classification

Taxonomy Tree

• Kingdom Inorganic compounds
  • Superclass Mixed metal/non-metal compounds
    • Class Alkali metal oxoanionic compounds
      • Subclass Alkali metal thiosulfates

• Kingdom: Inorganic compounds
• Superclass: Mixed metal/non-metal compounds
• Class: Alkali metal oxoanionic compounds
• Subclass: Alkali metal thiosulfates
• Intermediate Tree Nodes: Not available
• Direct Parent: Alkali metal thiosulfates
• Alternative Parents: Inorganic sulfides Inorganic sodium salts Inorganic oxides
• Molecular Framework: Not available
• Substituents: Alkali metal thiosulfate - Inorganic sodium salt - Inorganic oxide - Inorganic sulfide - Inorganic salt
• Description: This compound belongs to the class of inorganic compounds known as alkali metal thiosulfates. These are inorganic compounds in which the largest oxoanion is thiosulfate, and in which the heaviest atom not in an oxoanion is an alkali metal.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Associated Targets(non-human)

Pseudomonas aeruginosa (123386 Activities)

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Staphylococcus aureus (210822 Activities)

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Mechanisms of Action

Chemical and Physical Properties

• Sensitivity: Hygroscopic；Heat sensitive
• Boil Point(°C): 100°C
• Melt Point(°C): 48°C
• Molecular Weight: 158.110 g/mol
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 0
• Exact Mass: 157.908 Da
• Monoisotopic Mass: 157.908 Da
• Topological Polar Surface Area: 104.000 Ų
• Heavy Atom Count: 7
• Formal Charge: 0
• Complexity: 82.600
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 3

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