Sodium pyrosulfite - AR, ≥96% , CAS No.7681-57-4

CAS: 7681-57-4 Cat. No.: S112439 Summenformel: Na₂S₂O₅ Molekulargewicht: 190.11 EG-Nummer: 231-673-0

GRADE & PURITY AR, ≥96%

Synonyms

Sodium metabisulfite, SO2 58.5% | Sodium bisulfite anhydrous | Sodium metabisulfite | sodium meta-bisulfite | Sodium pyrosulfite | UNII-4VON5FNS3C | EC 231-673-0 | SODIUM METABISULFITE [WHO-DD] | Sodium metabisulphite | Disodium metabisulfite | DISODIUM P

Storage

Room temperature,Argon charged,Desiccated

Shipped In

FedEx DG Service

Specifications

Synonyme

Sodium metabisulfite, SO2 58.5% | Sodium bisulfite anhydrous | Sodium metabisulfite | sodium meta-bisulfite | Sodium pyrosulfite | UNII-4VON5FNS3C | EC 231-673-0 | SODIUM METABISULFITE [WHO-DD] | Sodium metabisulphite | Disodium metabisulfite | DISODIUM P

Spezifikationen & Reinheit

AR, ≥96%

Storage

Room temperature,Argon charged,Desiccated

Verschickt in

FedEx DG Service

Note

AR

Reinheit

≥96%

Namen und Kennungen

Pubchem Sid

508814652

Pubchem Sid Url

https://pubchem.ncbi.nlm.nih.gov/substance/508814652

Kanonisches Lächeln

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

InChIKey

HRZFUMHJMZEROT-UHFFFAOYSA-L

INCHI

1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2

Isomere SMILES

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

WGK Deutschland

1

RTECS

UX8225000

UN-Nummer

3335

Verpackungsgruppe

III

Molekulargewicht

190.11

Taxonomic Classification

Taxonomy Tree

• Kingdom Inorganic compounds
  • Superclass Mixed metal/non-metal compounds
    • Klasse Alkali metal oxoanionic compounds
      • Subclass Alkali metal dithionites

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

Wirkungsmechanismen

Chemische und physikalische Eigenschaften

• Löslichkeit: soluble 650 g/L at 20 °C
• Empfindlichkeit: Moisture sensitive，Air sensitive
• Siedepunkt (°C): 150°C
• Schmelzpunkt (°C): >300 °C
• Molekulargewicht: 190.110 g/mol
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 6
• Rotatable Bond Count: 0
• Exact Mass: 189.898 Da
• Monoisotopic Mass: 189.898 Da
• Topological Polar Surface Area: 125.000 Ų
• Heavy Atom Count: 9
• Formal Charge: 0
• Complexity: 136.000
• 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: 3

XLogP3