Products 7681-57-4

CAS 7681-57-4 appears in our catalog under these names: Sodium metabisulfite, 95%, Sodium Metabisulfite, Sodium disulfite/ 97+%, Sodium metabisulfite, Sodium metabisulfite, SO{2} 58.5% min . Offered by: Combi-blocks, TRC, Chemat, GLPBio, Thermo Scientific (Alfa Aesar). Available pack sizes: 1kg, 100g, 500g, 5g, 25g, 10g, 50g, 2kg.

Sodium metabisulfite, 95%
Combi-blocks
  • size: 1kg, 100g, 500g, 5g
  • Variants: 5
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Sodium Metabisulfite
TRC, Sigma-Aldrich
  • size: 100g, 10g, 50g, 1G
  • Variants: 5
from 211.00
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Sodium disulfite/ 97+%
Chemat
  • size: 2kg
  • Variants: 1
from 311.92
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Sodium metabisulfite
GLPBio
  • size: 100g, 1kg, 500g
  • Variants: 3
from 550.23
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Sodium metabisulfite, SO{2} 58.5% min
Thermo Scientific (Alfa Aesar)
  • size: 500g, 2kg
  • Variants: 2
from 163.92
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Sodium metabisulfite, ACS, 97% min
Thermo Scientific (Alfa Aesar)
  • size: 500g, 2.5kg
  • Variants: 2
from 242.32
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Sodium metabisulfite, 97%
Thermo Scientific (Alfa Aesar), Fluorochem
  • size: 10000g, 2500g, 500g, 25g
  • Variants: 8
from 138.53
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Sodium metabisulfite, 97+%, ACS reagent
Thermo Scientific (Acros)
  • size: 1KG, 2.5KG, 5g, 250g
  • Variants: 4
from 142.54
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Sodium metabisulfite, for analysis
Thermo Scientific (Fisher), Thermo Scientific (Acros)
  • size: 500g, 1KG, 2.5KG
  • Variants: 5
from 84.27
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Sodium metabisulfite, 97%, extra pure, anhydrous
Thermo Scientific (Acros)
  • size: 2.5KG, 10KG
  • Variants: 2
from 252.57
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Sodium metabisulfite, 95.00%
Chemat
  • size: 1kg, 500g, 5kg
  • Variants: 3
from 113.57
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sodu pirosiarczyn cz
Chempur
  • size: 50g, 100g, 250g, 500g
  • Variants: 12
from 28.55
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sodu pirosiarczyn czda
Chempur
  • size: 10g, 25g, 50g, 100g
  • Variants: 11
from 27.60
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SODIUM METABISULFITE, REAGENT GRADE, 97%
Sigma-Aldrich
  • size: 2.5KG, 500G
  • Variants: 2
from 231.00
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SODIUM DISULFITE DRY, EXTRA PURE, DAB, P
Sigma-Aldrich
  • size: 1KG, 5KG
  • Variants: 2
from 236.00
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SODIUM DISULFITE DRY, R. G., REAG. ACS,
Sigma-Aldrich
  • size: 1KG, 2.5KG, 500G, 6X2.5KG
  • Variants: 4
from 214.00
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SODIUM PYROSULFITE, PH EUR
Sigma-Aldrich
  • size: 1KG
  • Variants: 1
from 671.00
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Sodium metabisulfite, 99.0%
MedChemExpress
  • size: 250 g, 10 g, 100 g, 500 g
  • Variants: 8
from 240.74
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Sodium metabisulfite (Standard)
MedChemExpress
  • size: 1 g, 5 g
  • Variants: 2
from 361.49
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Sodium metabisulphite, min. 97 %, extra pure, 1 kg, plastic
Roth
  • size: 1kg
  • Variants: 1
from 126.96
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Sodium metabisulphite, min. 97 %, extra pure, 5 kg, plastic
Roth
  • size: 5kg
  • Variants: 1
from 424.30
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Sodium metabisulphite, min. 97 %, extra pure, 25 kg, plastic
Roth
  • size: 25kg
  • Variants: 1
from 1080.79
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Sodium metabisulphite, min. 97 %, p.a., ACS, 500 g, plastic
Roth
  • size: 500g
  • Variants: 1
from 117.52
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Sodium metabisulphite, min. 97 %, p.a., ACS, 1 kg, plastic
Roth
  • size: 1kg
  • Variants: 1
from 186.42
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Sodium metabisulphite, min. 97 %, p.a., ACS, 2.5 kg, plastic
Roth
  • size: 2,5kg
  • Variants: 1
from 334.62
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Sodium metabisulphite, min. 97 %, p.a., ACS, 5 kg, plastic
Roth
  • size: 5kg
  • Variants: 1
from 578.15
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Sodium metabisulphite, min. 97 %, p.a., ACS, 25 kg, plastic
Roth
  • size: 25kg
  • Variants: 1
from 1930.32
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Structural formula: {0} (CAS {1})

Sodium disulfite is an inorganic sodium salt composed of sodium and disulfite ions in a 2:1 ratio. It has a role as a food antioxidant. It contains a disulfite.

Source: ChEBI

Identity
Molecular formulaNa2O5S2
Molecular weight190.11 g/mol
InChIKeyHRZFUMHJMZEROT-UHFFFAOYSA-L
SMILES[O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+]

Computed by PubChem (NCBI)

Synonyms: Sodium metabisulfite, Sodium pyrosulfite, Sodium disulfite, Disodium pyrosulfite, Natrii disulfis, Campden Tablets, Disodium metabisulfite, Natrium pyrosulfit, Natriummetabisulfit, sodium pyrosulphite