Sodium pyrosulfite - ≥93% , CAS No.7681-57-4

CAS: 7681-57-4 Cat. No.: S573431 Fórmula: Na₂S₂O₅ Peso molecular: 190.11 Número EC: 231-673-0

GRADE & PURITY ≥93%

Synonyms

Sodium metabisulfite|7681-57-4|Sodium pyrosulfite|Sodium disulfite|Disodium pyrosulfite|Sodium metabisulphite|Disulfurous acid, disodium salt|Disodium disulphite|Natrii disulfis|Campden Tablets|Disodium metabisulfite|Disodium disulfite|Natrium pyrosulfit|

Storage

Room temperature,Argon charged

Shipped In

FedEx DG Service

Specifications

Sinónimos

Sodium metabisulfite | 7681-57-4 | Sodium pyrosulfite | Sodium disulfite | Disodium pyrosulfite | Sodium metabisulphite | Disulfurous acid, disodium salt | Disodium disulphite | Natrii disulfis | Campden Tablets | Disodium metabisulfite | Disodium disulfite | Natrium pyrosulfit |

Especificaciones y pureza

≥93%

Condiciones de almacenamiento de almacenamiento

Room temperature,Argon charged

Enviado en

FedEx DG Service

Pureza

≥93%

Nombres e identificadores

Pubchem Sid

508814650

Pubchem Sid Url

https://pubchem.ncbi.nlm.nih.gov/substance/508814650

Sonrisas canónicas

[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

Isómeros SMILES

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

WGK Alemania

1

RTECS

UX8225000

Número ONU

3335

Grupo de embalaje

III

Peso molecular

190.11

Taxonomic Classification

Taxonomy Tree

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

• Kingdom: Inorganic compounds
• Superclass: Mixed metal/non-metal compounds
• Clase: 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
• Descripción: 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

Mecanismos de acción

Propiedades químicas y físicas

• Solubilidad: Freely soluble in water, glycerol. Slightly soluble in alcohol
• Sensibilidad: Sensitive to humidity and air
• Punto de ebullición (°C): 150°C
• Punto de fusión (°C): >300 °C
• Peso molecular: 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