Sodium pyrosulfite - ≥95% , CAS No.7681-57-4

CAS: 7681-57-4 Cat. No.: S579149 Formule: Na₂S₂O₅ Poids moléculaire: 190.11 Numéro CE: 231-673-0

QUALITÉ & PURETÉ ≥95%

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

Spécifications

Synonymes

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 |

Spécifications et pureté

≥95%

Conditions de stockage de stockage

Room temperature,Argon charged

Expédié en

FedEx DG Service

Pureté

≥95%

Noms et identifiants

Pubchem Sid

504759786

Pubchem Sid Url

https://pubchem.ncbi.nlm.nih.gov/substance/504759786

Sourires canoniques

[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

Isomères SMILES

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

WGK Allemagne

1

RTECS

UX8225000

Numéro ONU

3335

Groupe d'emballage

III

Poids moléculaire

190.11

Taxonomic Classification

Taxonomy Tree

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

• Kingdom: Inorganic compounds
• Superclass: Mixed metal/non-metal compounds
• Classe: 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
• Description: 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

Mécanismes d'action

Propriétés chimiques et physiques

• Solubilité: Freely soluble in water, glycerol. Slightly soluble in alcohol
• Sensibilité: Sensitive to humidity and air
• Point d'ébullition (°C): 150°C
• Point de fusion (°C): >300 °C
• Poids moléculaire: 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