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Naphthol Yellow S [1 record]

Record 1 2011-01-21

English

Subject field(s)
  • Chemical Elements and Compounds
  • Dyes and Pigments (Industries)
  • Food Additives
Universal entry(ies)
C10H4N2Na2O8S
formula, see observation
DEF

The sodium salt of flavianic acid.

CONT

Naphthol Yellow S ... Greenish yellow powder, sol in water to a yellow soln. The free acid is known as flavianic acid ... Use: Dye for wool, silk ... Approved by FDA for external use only.

OBS

Chemical formula: C10H4N2Na2O8S

French

Domaine(s)
  • Éléments et composés chimiques
  • Teintures et pigments (Industries)
  • Additifs alimentaires
Entrée(s) universelle(s)
C10H4N2Na2O8S
formula, see observation
CONT

Acide flavianique, dénomination courante de l'acide dinitro-2,4 naphtol-1 sulfonique-7, dont le sel de sodium est le jaune naphtol S, colorant jaune de la soie et du coton.

OBS

Flavianate : sel de l'acide flavianique, soluble dans l'eau et l'alcool, insoluble dans l'éther.

OBS

Formule chimique : C10H4N2Na2O8S

Key term(s)
  • jaune acide
  • jaune soufre
  • jaune naphtol S
  • jaune OS

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Tinturas y pigmentos (Industrias)
  • Aditivos alimentarios
Entrada(s) universal(es)
C10H4N2Na2O8S
formula, see observation
OBS

Fórmula química: C10H4N2Na2O8S

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