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INSOLUBLE AZO DYES [4 records]

Record 1 2011-08-26

English

Subject field(s)
  • Chemical Elements and Compounds
  • Crop Protection
  • Dyes and Pigments (Industries)
  • Medication
Universal entry(ies)
C6H6ClN
formula, see observation
ClC6H4NH2
formula, see observation
108-42-9
CAS number
DEF

A chemical compound which appears under the form of a colorless to light-amber liquid which tends to darken during storage, is insoluble in water, soluble in organic solvents, and is used as an intermediate for azo dyes and pigments, in pharmaceuticals, insecticides and agricultural chemicals.

OBS

3-chloroaniline: form recommended by the IUPAC (International Union of Pure and Applied Chemistry).

OBS

Also known under the following commercial designations: Fast Orange GC Base; UN 2018 (solid); UN 2019 (liquid).

OBS

The prefixes "ortho-", "meta-" and "para-", along with their corresponding abbreviations ("o-", "m-" and "p-"), appear in italics and are ignored in alphabetizing. According to the actual chemical nomenclature rules in organic chemistry (in 2003), the numbers designating the positions of the disubstitution groups (1,2- for "ortho-", 1,3- for "meta-" and 1,4- for "para-") are to be preferred to the symbols "o-", "m-" and "p-". Furthermore, the prefixes "ortho-", "meta-" and "para-" should not be used anymore, and their corresponding abbreviations ("o-", "m-", and "p-") will soon be judged to be avoided, if not totally condemned.

OBS

Chemical formula: C6H6ClN or ClC6H4NH2

French

Domaine(s)
  • Éléments et composés chimiques
  • Protection des végétaux
  • Teintures et pigments (Industries)
  • Médicaments
Entrée(s) universelle(s)
C6H6ClN
formula, see observation
ClC6H4NH2
formula, see observation
108-42-9
CAS number
DEF

Produit chimique se présentant sous la forme d'un liquide incolore ou légèrement ambré, insoluble dans l'eau, soluble dans les solvants organiques, utilisé dans les teintures, les pigments, les produits pharmaceutiques et les insecticides.

OBS

3-chloroaniline : forme recommandée par l'UICPA (Union internationale de chimie pure et appliquée).

OBS

Les préfixes de position «ortho-», «méta-» et «para-», tout comme les abréviations correspondantes «o-», «m-» et «p-», s'écrivent en italique et n'interviennent pas dans une classification par ordre alphabétique. Selon les règles de nomenclature de chimie organique en vigueur aujourd'hui (en 2003), il est recommandé d'utiliser les chiffres 1,2-, 1,3- et 1,4-, respectivement. Les préfixes «ortho-», «méta-» et «para-» ne doivent plus être utilisés. L'usage des symboles correspondants («o-», «m-» et «p-») sera bientôt fortement déconseillé, sans être exclu.

OBS

Formule chimique : C6H6ClN ou ClC6H4NH2

Spanish

Save record 1

Record 2 2011-08-23

English

Subject field(s)
  • Chemical Elements and Compounds
  • Dyes and Pigments (Industries)
  • Analytical Chemistry
  • Food Additives
Universal entry(ies)
C6H5NNC6H4N(CH3)2
formula, see observation
C14H15N3
formula, see observation
60-11-7
CAS number
DEF

An azo dye which appears under the form of yellow crystalline leaflets, is soluble in alcohol, ether, strong mineral acids and oils, is insoluble in water, is derived by the action of benzenediazonium chloride on dimethyl aniline, is toxic by inhalation and by skin absorption, is carcinogenic, was formerly used in coloring butter and oils but may not be used anymore in foods or beverages, and which is used as a chemical indicator, in dyes, and in organic research.

OBS

N-: This prefix must be italicized.

OBS

The prefixes "ortho-," "meta-" and "para-," along with their corresponding abbreviations ("o-," "m-" and "p-"), appear in italics and are ignored in alphabetizing. According to the actual chemical nomenclature rules in organic chemistry (in 2003), the numbers designating the positions of the disubstitution groups (1,2- for "ortho-," 1,3- for "meta-" and 1,4- for "para-") are to be preferred to the symbols "o-," "m-" and "p-." Furthermore, the prefixes "ortho-," "meta-" and "para-" should not be used anymore, and their corresponding abbreviations ("o-," "m-," and "p-") will soon be judged to be avoided, if not totally condemned.

OBS

DAB; DMAB; P.D.A.B.: These might be in-house or non-recognized abbreviations; not to be used alone, to avoid any risk of confusion.

OBS

Chemical formula: C6H5NNC6H4N(CH3)2 or C14H15N3

French

Domaine(s)
  • Éléments et composés chimiques
  • Teintures et pigments (Industries)
  • Chimie analytique
  • Additifs alimentaires
Entrée(s) universelle(s)
C6H5NNC6H4N(CH3)2
formula, see observation
C14H15N3
formula, see observation
60-11-7
CAS number
DEF

Composé azoïque [...] préparé à partir du chlorure de benzènediazonium et de la diméthylaniline [qui] a servi de colorant jaune pour les corps gras alimentaires (jaune de beurre), jusqu'à la découverte de ses propriétés carcinogènes, [et qui a pour caractéristique d'être] un indicateur coloré, rouge en dessous de PH 3, jaune au-dessus de PH 4 [...]

OBS

N- : Ce préfixe s'écrit en italique.

OBS

Les préfixes de position «ortho-», «méta-» et «para-», tout comme les abréviations correspondantes «o-», «m-» et «p-», s'écrivent en italique et n'interviennent pas dans une classification par ordre alphabétique. Selon les règles de nomenclature de chimie organique en vigueur aujourd'hui (en 2003), il est recommandé d'utiliser les chiffres 1,2-, 1,3- et 1,4-, respectivement. Les préfixes «ortho-», «méta-» et «para-» ne doivent plus être utilisés. L'usage des symboles correspondants («o-», «m-» et «p-») sera bientôt fortement déconseillé, sans être exclu.

OBS

Formule chimique : C6H5NNC6H4N(CH3)2 ou C14H15N3

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Tinturas y pigmentos (Industrias)
  • Química analítica
  • Aditivos alimentarios
Entrada(s) universal(es)
C6H5NNC6H4N(CH3)2
formula, see observation
C14H15N3
formula, see observation
60-11-7
CAS number
OBS

Sólido cristalino amarillo. Soluble en alcohol, éter, ácidos minerales fuertes y aceites; insoluble en agua. Probablemente tóxico.

OBS

Fórmula química: C6H5NNC6H4N(CH3)2 o C14H15N3

Save record 2

Record 3 2001-02-11

English

Subject field(s)
  • Textile Industries
  • Pigments and Colours (Arts)
CONT

The word "Azoic" is the distinguishing name given to insoluble azo dyes that are... actually produced within the fibre itself. This is done with impregnating the fibre with one component of the dye, followed by treatment in another component, thus forming the dye within the fibre. The formation of this insoluble dye within the fabric makes it very fast to washing.

OBS

Term generally used in plural.

French

Domaine(s)
  • Industries du textile
  • Pigments et couleurs (Arts)
CONT

Les colorants azoïques insolubles [...] Dans ce cas, la teinture consiste à créer le colorant au sein même des fibres. [...] Les colorants azoïques insolubles présentent une grande solidité à l'eau et à la lumière.

OBS

S'emploie généralement au pluriel.

Spanish

Save record 3

Record 4 1975-03-11

English

Subject field(s)
  • Textiles: Preparation and Processing
  • Dyes and Pigments (Industries)
OBS

insoluble azo dyes formed on the fiber.... Used... to obtain fast, brilliant scarlets and reds at... low cost.

French

Domaine(s)
  • Apprêt et traitements divers (Textiles)
  • Teintures et pigments (Industries)
OBS

Ces colorants sont fabriqués sur la fibre. [...] Les filés ou tissus sont traités dans un bain de naphtolate de soude [...]

Spanish

Save record 4

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