CAS 7631-94-9 Sodium dithionate (HCID 146045)

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Basic information

CAS: 7631-94-9
Standard SMILES: O=S(=O)([O-])S(=O)(=O)[O-].[Na+].[Na+]
InChIKey: CSMWJXBSXGUPGY-UHFFFAOYSA-L
Molecular formula: Na2O6S2
Average molar mass: 206.11 g/mol
Monoisotopic mass: 205.89316828

Overview

RN given refers to parent cpd; structure

Names & identifiers

Preferred name: Sodium dithionate
IUPAC: Disodium dithionate

Names & synonyms

Sodium dithionateDisodium dithionate7631-94-9Sodium hyposulfateSodium sulfate (Na2S2O6)Dithionic acid, disodium saltRPF7Z41GAWDTXSID70227181NSC-50070RefChem:931914DTXCID70149672Dithionic acid, disodium salt (8CI)

Show more names

231-550-1Sodium metabisulfateSodiumdithionateUNII-RPF7Z41GAWEINECS 231-550-1sodium metabisulphateNSC 50070SODIUM HYPOSULPHATE

Database identifiers

CAS: 7631-94-9
PubChem CID: 146045
DTXSID: DTXSID70227181
UNII: RPF7Z41GAW
EC Number: 231-550-1
Nikkaji: J44.045K

Properties

Computed structural properties

Topological polar surface area: 131 Å²
Hydrogen bond donors: 0
Hydrogen bond acceptors: 6
Rotatable bonds: 0
Heavy atoms: 10
Formal charge: 0
Complexity: 181

Experimental & physicochemical properties

Chemical ClassesOther Classes -> Sulfur Compounds

Physical DescriptionDihydrate: Colorless solid; [Merck Index] Solid; [MP Biomedicals MSDS]

Safety & regulation

GHS classification

GHS ClassificationNot Classified

Hazard information

Regulatory Information · 2 items

Chemical: Dithionic acid, disodium salt

Dithionic acid, disodium salt: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.

Hazards SummaryCauses burns; Inhalation may cause corrosive injuries to upper respiratory tract; Harmful by ingestion, inhalation, and skin absorption; [MP Biomedicals MSDS] See Sodium sulfate.

Hazard Classes and CategoriesNot Classified