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7681-57-4 [1 record]

Record 1 2011-01-20

English

Subject field(s)
  • Chemical Elements and Compounds
  • Food Additives
  • Dyes and Pigments (Industries)
Universal entry(ies)
Na2S2O5
formula, see observation
7681-57-4
CAS number
DEF

Chief constituent of commercial dry sodium bisulfite, with which most of its properties and uses are practically identical. Grade: F.C.C. Hazard: Toxic by inhalation. Tolerance, 5 mg per cubic meter of air. Uses: In foods, as preservative; laboratory reagent.

CONT

Sodium metabisulfite [is a] bacterial inhibitor in wine, ale, and beer; an antifermentative in sugar and syrups; preservative for fruit and vegetable juices ...

OBS

Chemical formula: Na2S2O5

French

Domaine(s)
  • Éléments et composés chimiques
  • Additifs alimentaires
  • Teintures et pigments (Industries)
Entrée(s) universelle(s)
Na2S2O5
formula, see observation
7681-57-4
CAS number
DEF

métabisulfite : Nom commercial du pyrosulfite de sodium Na2S2O5, obtenu par évaporation de la solution de sulfite acide (ou bisulfite) NaHSO3. (C'est une poudre blanche, plus facile à transporter que la solution de bisulfite, et employée de préférence pour cette raison, en particulier pour le mutage des vins.)

OBS

Formule chimique : Na2S2O5

Spanish

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