TERMIUM Plus®

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PYROSULFUROUS ACID DIPOTASSIUM SALT [1 record]

Record 1 2011-05-16

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
K2O5S2
formula, see observation
16731-55-8
CAS number
DEF

A chemical compound which appears under the form of white granules or powder with a pungent, sharp odor, which decomposes at 150-190°C, oxidizes in air and moisture to sulfate, which is slightly soluble in water and alcohol and which is used as an antiseptic reagent in analytical chemistry, a preservative and an antioxidant.

OBS

Chemical formula: K2O5S2

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
K2O5S2
formula, see observation
16731-55-8
CAS number
DEF

Sel de potassium se présentant sous la forme de poudre ou de cristaux blancs, solubles dans l'eau et l'alcool, que l'on utilise comme antiseptique, conservateur et antioxydant.

OBS

Formule chimique : K2O5S2

Spanish

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