Sodium tetrathionate dihydrate - ≥99% , CAS No.13721-29-4

CAS: 13721-29-4 Cat. No.: S113730 Molecular Weight: 306.27 EC Number: 683-390-0 PubChem CID: 203055

GRADE & PURITY ≥99%

Synonyms

Tetrathionic acid, disodium salt, dihydrate | Tetrathionate sodium dihydrate | Sodium tetrathionate | Di(dithioperoxo)sulfuricacid, sodium salt, hydrate (1:2:2) | Sodium tetrathionate dihydrate | Disodium tetrathionate dihydrate | SODIUMTETRATHIONATEDIHYD

Storage

Store at -20°C

Shipped In

Ice chest + Ice pads

Overview

Sodium tetrathionate dihydrate is the dihydrate of sodium tetrathionate. It has been synthesized from sodium thiosulfate by iodine oxidation. Its crystals exhibit monoclinic crystal system and space group C23-C2 Sodium tetrathionate dihydrate may be used to compose the 0.2M Tris buffer in a study.

Specifications

Synonyms

Tetrathionic acid, disodium salt, dihydrate | Tetrathionate sodium dihydrate | Sodium tetrathionate | Di(dithioperoxo)sulfuricacid, sodium salt, hydrate (1:2:2) | Sodium tetrathionate dihydrate | Disodium tetrathionate dihydrate | SODIUMTETRATHIONATEDIHYD

Specifications & Purity

≥99%

Stability And Storage

Sealed, cool, and dry place for long-term storage.

Storage

Store at -20°C

Shipped In

Ice chest + Ice pads

This product requires cold chain shipping. Ground and other economy services are not available.

Purity

≥99%

Names and Identifiers

• Canonical Smiles: O.O.[O-]S(=O)(=O)SSS(=O)(=O)[O-].[Na+].[Na+]
• InChIKey: HAEPBEMBOAIUPN-UHFFFAOYSA-L
• INCHI: 1S/2Na.H2O6S4.2H2O/c;;1-9(2,3)7-8-10(4,5)6;;/h;;(H,1,2,3)(H,4,5,6);2*1H2/q2*+1;;;/p-2
• Isomeric SMILES: O.O.[O-]S(=O)(=O)SSS(=O)(=O)[O-].[Na+].[Na+]
• WGK Germany: 3
• RTECS: XF6470000
• PubChem CID: 203055
• Molecular Weight: 306.27

Taxonomic Classification

Taxonomy Tree

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

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

Chemical and Physical Properties

• Solubility: H2O: soluble50 mg/mL, slightly turbid, colorless
• Molecular Weight: 306.300 g/mol
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 10
• Rotatable Bond Count: 1
• Exact Mass: 305.858 Da
• Monoisotopic Mass: 305.858 Da
• Topological Polar Surface Area: 184.000 Ų
• Heavy Atom Count: 14
• Formal Charge: 0
• Complexity: 208.000
• 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: 5

XLogP3

References

1. Jin Liu, Xiaoyan Meng, Cong Hu, Shuyi Wang, Jing Tang, Kaixing Luo, Zian Lin.  (2025)  Metal covalent organic frameworks-based multi-signal nanozymes sensor array with machine learning for the intelligent recognition of sulfur-containing metallic salts.  SENSORS AND ACTUATORS B-CHEMICAL,      [PMID:] [10.1016/j.snb.2025.138426]