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UV ABSORBER [2 records]

Record 1 2011-08-26

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
C6H3(OH)2COCH3
formula, see observation
89-84-9
CAS number
DEF

A chemical product in the form of light tan crystals which is slightly soluble in water and which is used as UV absorber in plastics, dye intermediate, fungicide and plant growth promoter.

OBS

1-(2,4-dihydroxyphenyl)ethan-1-one: form recommended by the IUPAC (International Union of Pure and Applied Chemistry).

OBS

4-acetylresorcinol: incorrect form.

OBS

Chemical formula: C6H3(OH)2COCH3

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
C6H3(OH)2COCH3
formula, see observation
89-84-9
CAS number
OBS

1-(2,4-dihydroxyphényl)éthan-1-one : forme recommandée par l'UICPA (Union internationale de chimie pure et appliquée).

OBS

4-acétylrésorcinol : forme fautive.

OBS

Formule chimique : C6H3(OH)2COCH3

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
Entrada(s) universal(es)
C6H3(OH)2COCH3
formula, see observation
89-84-9
CAS number
OBS

Fórmula química: C6H3(OH)2COCH3

Save record 1

Record 2 1999-06-17

English

Subject field(s)
  • Chemical Elements and Compounds
  • Plastics Manufacturing
  • Rubber
DEF

A substance which absorbs radiant energy in the wavelength of UV. The radiant energy absorbed is converted to heat (thermal energy). UV absorbers are added to unsaturated substances (plastics, rubbers, etc.) to decrease light sensitivity and consequent discoloring and degradation. Among compounds used are benzophenones, benzotriazoles, substituted acrylonitriles, and phenol-nickel complexes.

OBS

Used in plastics and rubbers to decrease light sensitivity.

OBS

UV absorber : term standardized by ISO.

French

Domaine(s)
  • Éléments et composés chimiques
  • Plasturgie
  • Caoutchouc
DEF

Ingrédient de mélange qui, de par son aptitude à absorber les radiations ultraviolettes, retarde la dégradation causée par la composante UV de la lumière solaire et/ou d'autres sources lumineuses.

DEF

[...] substance organique présentant des bandes d'absorption dans le proche UV (longueur d'onde > 300 nm).

CONT

Stabilisants «lumière». Les principaux stabilisants «lumière» appartiennent à quatre familles : - les pigments (et en particulier le noir de carbone). - Les absorbeurs UV (qui empêchent la pénétration des UV au sein du matériau. - Les extincteurs («quenchers») [...] - Les stabilisants polyfonctionnels [...]

OBS

absorbeur UV : terme normalisé par l'ISO.

Spanish

Save record 2

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