Product Name

  • Name

    N-(2-Hydroxynaphthoyl)-2,4-dimethoxy-5-chloroanilide

  • EINECS 202-182-9
  • CAS No. 92-72-8
  • Article Data6
  • CAS DataBase
  • Density 1.371 g/cm3
  • Solubility
  • Melting Point 200 °C
  • Formula C19H16ClNO4
  • Boiling Point 480.3 °C at 760 mmHg
  • Molecular Weight 357.793
  • Flash Point 244.3 °C
  • Transport Information
  • Appearance Light grey homogeneous powder
  • Safety
  • Risk Codes R36/37/38
  • Molecular Structure Molecular Structure of 92-72-8 (N-(2-Hydroxynaphthoyl)-2,4-dimethoxy-5-chloroanilide)
  • Hazard Symbols Xi
  • Synonyms 2-Naphthanilide,5'-chloro-3-hydroxy-2',4'-dimethoxy- (6CI,7CI,8CI);1-(2',3'-Hydroxynaphthoylamino)-2,4-dimethoxy-5-chlorobenzene;2-Hydroxy-3-naphthalenecarboxylic acid-2',4'-dimethoxy-5'-chlorophenylamide;5'-Chloro-2-hydroxy-2',4'-dimethoxy-3-naphthanilide;Acco Naf-Sol AS-ITR;Acna Naphthol SS;Amanil NaphtholAS-ITR;Anarthol AS-ITR;Azoground ITR;Azoic Coupling Component 12;Azotol O;C.I. 37550;C.I. Azoic Coupling Component 12;Daito Grounder ITR;Hiltonaphthol AS-ITR;NSC 50687;NaphtanilideITR;Naphthoide ITR;Naphthol ITR;Naphtol AS-ITR;Napthol ASITR;Scarlet GBase;Ultrazol IX-ITR;
  • PSA 67.79000
  • LogP 4.54130

N-(2-Hydroxynaphthoyl)-2,4-dimethoxy-5-chloroanilide Chemical Properties

Molecular Formula  C19H16ClNO4
Molecular Weight  357.79
Density: 1.371 g/cm
Flash Point: 244.3 °C 
EINECS: 202-182-9
Melting Point: 193-194°C 
Colour Index: 37550
Index of Refraction: 1.682 

Enthalpy of Vaporization: 77.32 kJ/mol 
Boiling Point: 480.3 °C at 760 mmHg 
Vapour Pressure: 7.52E-10 mmHg at 25°C 
Appearance:Light grey homogeneous powder
Product Name: N-(2-Hydroxynaphthoyl)-2,4-dimethoxy-5-chloroanilide
IUPAC Name
: N-(5-chloro-2,4-dimethoxyphenyl)-3-hydroxynaphthalene-2-carboxamide
Synonyms: 2-Naphthanilide, 5'-chloro-3-hydroxy-2',4'-dimethoxy- ; Acco Naf-Sol AS-ITR ; Acco Naphthol AS-ITR ; Acna Naphthol SS ; Amanil Naphthol AS-ITR ; Azoground ITR ; Azotol O ; C.I. 37550
Following is the molecular structure of Naphthol AS-ITR (92-72-8):

N-(2-Hydroxynaphthoyl)-2,4-dimethoxy-5-chloroanilide Uses

 Naphthol AS-ITR (92-72-8): is mainly used for dyeing cotton grounding agent, dyed red, as with the red base ITR, Fast Red KL Yan tie dyed pink. A high affinity for cotton. Also used for viscose fibers, silk, nylon and cotton fabric dyeing printing, as well as for the manufacture of lake pigment.

N-(2-Hydroxynaphthoyl)-2,4-dimethoxy-5-chloroanilide Production

 Manufacturing method of Naphthol AS-ITR (92-72-8): 2,3 - acid and 2,4 - dimethoxy--5 - chloro-aniline as the raw material, will be first in chlorobenzene medium 2,3 - acid made of salt, and then PCl3 the presence of 2,4 -- dimethoxy--5 - chloro-aniline condensation, after neutralization, distillation, filtration, drying was finished.

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