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SULPHUROUS ACID [1 record]

Record 1 2011-08-03

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
H2SO3
formula, see observation
SO3H2
formula, see observation
7782-99-2
CAS number
OBS

A colourless, water-soluble solution having a suffocating sulfur odor used in organic synthesis; bleaching straw and textiles, etc.; paper manufacture; wine manufacture; brewing; metallurgy; ore flotation; medicine (antiseptic); reagent in analytical chemistry; sulfites; as preservative for fruits, nuts, foods, wines, disinfecting ships; refining crude oils and paraffins.

OBS

Chemical formula: H2SO3 or SO3H2

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
H2SO3
formula, see observation
SO3H2
formula, see observation
7782-99-2
CAS number
CONT

Acide sulfureux. [...] Ne se trouve qu'en solution; liquide incolore d'odeur suffocante; instable. [...] Usages : Blanchiment des textiles; industrie des papiers, de la bière, des vins, de la métallurgie; protection des fruits, vins, viandes; désinfectant; raffinage des huiles et paraffines brutes.

OBS

Il n'existe qu'en solution et est connu seulement à travers ses sels. Utilisé en métallurgie et en traitement des minerais.

OBS

Formule chimique : H2SO3 ou SO3H2

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
Entrada(s) universal(es)
H2SO3
formula, see observation
SO3H2
formula, see observation
7782-99-2
CAS number
OBS

Fórmula química: H2SO3 o SO3H2

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