On Chemball
My Chemball
+86-571-8627 3270
Liaoyang Dongwang Chemical Products Co.,Ltd.
Liaoyang Dongwang Chemical Products Co.,Ltd.
17 YRS
Liaoning, China
Main Products:
N-(4-Chloro-2,5-Dimethoxyphenyl)-3-Hydroxynaphthalene-2-Carboxamide / Pigment Red 185 / Pigment Red 176 / Pigment Red 208 / Pigment Yellow 81 / Pigment Yellow 139 / Pigment Yellow 180 / Pigment Orange 64 / Pigment Brown 25 / Pigment Red 177
Liaoning, China
Send Email
Sending...
Thank You！
Your requirement has been sent, we will contact you quickly!
Sent Failed！
Try again!
Azoic coupling component AS-LC / CAS 4273-92-1
OVERVIEW
Packaging
25 KG/Fibre Drum
Lead Time
14-30 days
REQUEST A QUOTATION
SubmitGet Free Samples
Less than 1KG required
DESCRIPTION
Azoic coupling component AS-LC
English name | 4'-chloro-3-hydroxy-2',5'-dimethoxy-2-naphthanilide |
Alias | C.I. 37555; C.I. Azoic Coupling Component 23; Naphthol AS-LC; 2-Hydroxy-3-Naphthoyl-(4'Chloro-2', 5'-dimethoxy) Aniline; N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxynaphthalene-2- |
CAS RN | 4273-92-1 |
EINECS No. | 224-270-6 |
Molecular formula | C19H16ClNO4 |
Molecular weight | 357.7876 |
Physico-chemical property | Melting point 190°C |
Uses | Used for dyeing of cotton fabric, viscose, silk, chinlon and terylene; developing of yellow GC, orange Gc |
Structural formula |
|
Typical Properties
Summary
Naphthol AS-LC is a derivative of chromophenol. Naphthol AS-LC is mainly used in the dyeing of cotton, viscose fiber, silk, silk, nylon and polyester. It is generally not used in printing. It is a base agent for orange yellow brown dyeing. It is commonly used in the color development of yellow based GC and orange based GC. It has high affinity for cotton and is an intermediate for the preparation of organic pigments.
CAS No.
4273-92-1
Formula
C19H16ClNO4
Molecular Mass
357.78800
Exact Mass
357.07700
PSA
67.79000
Logp
4.54130
IUPAC
N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxynaphthalene-2-carboxamide
SMILES
COC1=CC(=C(C=C1NC(=O)C2=CC3=CC=CC=C3C=C2O)OC)Cl
Attribute classification
Matter Classification
organic
Category
Dyestuffs and Pigments > Ingrain Dyes
Chemical and Physical Properties
Melting Point
190 ºC
Density
1.371 g/cm3
Boiling Point
479.8 ºC
Flash Point
244 ºC
Appearance
Off white powder
Export information
HS Code
29242990
Export Rebate
13%
GET SAMPLE
Submit- Overview
- Descriptions
- Sample
