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Naphthol AS-LC

CAS No.
4273-92-1
Chemical Name:
Naphthol AS-LC
Synonyms
N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-2-naphthamide;C.I. 37555;Conazoic BC;Naftol AS-LC;Azoic C.C.23;NAPHTOL AS-LC;NAPTHOL AS-LC;Anarthol AS-LC;NAPHTHOL AS-LC;NAPHTHOL AS-CL
CBNumber:
CB4274540
Molecular Formula:
C19H16ClNO4
Molecular Weight:
357.79
MDL Number:
MFCD00043903
MOL File:
4273-92-1.mol
MSDS File:
SDS
Last updated:2026-05-28 05:31:31

Naphthol AS-LC Properties

Melting point 190°C
Boiling point 479.8±45.0 °C(Predicted)
Density 1.371±0.06 g/cm3(Predicted)
vapor pressure 0-0Pa at 25℃
storage temp. Sealed in dry,Room Temperature
solubility Chloroform (Slightly, Heated), DMSO (Slightly)
pka 8.65±0.40(Predicted)
form Solid
color Pale Grey to Light Grey
LogP 2.85 at 23℃ and pH7.1
EPA Substance Registry System 2-Naphthalenecarboxamide, N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy- (4273-92-1)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H317
Precautionary statements  P261-P272-P280-P302+P352-P333+P313-P321-P363-P501
TSCA  TSCA listed
REACH Registrations Active

Naphthol AS-LC price More Price(32)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich R288039 4'-CHLORO-3-HYDROXY-2',5'-DIMETHOXY-2-NAPHTHOIC ACID ANILIDE (CI 37555) AldrichCPR 4273-92-1 1 unit $197 2026-04-30 Buy
Sigma-Aldrich R288039 4''-CHLORO-3-HYDROXY-2'',5''-DIMETHOXY-2-NAPHTHOIC ACID ANILIDE (CI 37555) AldrichCPR 4273-92-1 1G $179 2024-03-01 Buy
TRC TRC-N234400-5G Naphthol AS-LC 4273-92-1 5g $348 2026-06-03 Buy
TRC TRC-N234400-25G Naphthol AS-LC 4273-92-1 25g $1088 2026-06-03 Buy
TRC TRC-N234400-10G Naphthol AS-LC 4273-92-1 10g $555 2026-06-03 Buy
Product number Packaging Price Buy
R288039 1 unit $197 Buy
R288039 1G $179 Buy
TRC-N234400-5G 5g $348 Buy
TRC-N234400-25G 25g $1088 Buy
TRC-N234400-10G 10g $555 Buy

Naphthol AS-LC Chemical Properties, Uses, Production

Chemical Properties

Chromophenol AS-LC is a light gray powder, melting point 188-189°C. It is insoluble in water and sodium carbonate solution. Insoluble in water and sodium carbonate solution, soluble in pyridine. Yellow solution in sulfuric acid with green fluorescence. In sodium hydroxide solution is yellow.

Uses

NaphtholaS-LC can be used for aqueous inkjet set and inkjet printing.

Preparation

Naphthol AS-LC is synthesized by 4-Chloro-2,5-dimethoxybenzenamine and 3-Hydroxy-2-naphthoic acid condensation.

Properties and Applications

Naphthol AS-LC is a light gray powder, melting point for 188 ~ 189 ℃. Insoluble in water solution and sodium carbonate, soluble in pyridine. In the yellow solution for sulfuric acid, and a green fluorescent; In sodium hydroxide solution for yellow solution. Naphthol AS-LC is mainly used for cotton fabrics, viscose, silk, polyamide fiber and polyester dyeing, general is not used for printing, dyeing cotton yarn less application. It to cotton affinity is higher, coupled ability medium.

Naphthol AS-LC Preparation Products And Raw materials

Global Suppliers ( 171)
Supplier Tel Email Country ProdList Advantage
Shanghai Longsheng chemical Co.,Ltd. 58099637 13585536065 sales@shlschem.com China 9880 59
Finetech Industry Limited 027-87465837 19945049750 sales@finetechnology-ind.com China 9331 58
Shanghai Yongye Biotechnology Co., Ltd. 86-021-61559134 15921386130 3423497944@qq.com China 8135 55
Hubei Jusheng Technology Co.,Ltd 027-59599241 18871490274 1400878000@qq.com China 9506 58
Alta Scientific Co., Ltd. 022-6537-8550 15522853686 sales@altasci.com.cn China 4508 55
Alfa Chemistry 1-516-6625404 support@alfa-chemistry.com United States 9170 60
Chengdu Research Accelerators Technology Co., Ltd. 028-64353063 reacchemical@163.com China 5243 58
Shanghai YuanYe Biotechnology Co., Ltd. 15026964105 2881489226@qq.com China 89667 60
Amadis Chemical Company Limited 571-89925085 sales@amadischem.com China 131885 58
Shanghai Yihe Biological Technology Co., Ltd. 021-68882955 17721395025 2423903095@qq.com China 5000 58

View Latest Price from Naphthol AS-LC manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Naphthol AS-LC pictures 2019-07-06 Naphthol AS-LC
4273-92-1
$1.00 1kg 99% Career Henan Chemical Co
C.I. 37555 C.I. Azoic Coupling Component No. 23 Pigment organic azotol O C.I.Azoic Coupling Component 23 Anarthol AS-LC Conazoic BC Dycosthol AS-LC Kiwa Grounder LC Naftol AS-LC Tulathol AS-LC. 4'-chloro-3-hydroxy-2',5'-dimethoxy-2-naphthaniline Azoic C.C.23 N-(4-chloro-2,5-dimethoxy-phenyl)-3-hydroxy-naphthalene-2-carboxamide N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxynaphthalene-2-carboxamide NAPHTOL AS-LC NAPTHOL AS-LC NAPHTHOL AS-LC NAPHTHOL AS-CL azoiccouplingcomponent23 n-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-2-naphthalenecarboxamid N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-2-Naphthalenecarboxamide N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-2-naphthamide 2-Naphthalenecarboxamide-N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy 2-HYDROXY-3-NAPHTHOYL-(4'-CHLORO-2',5'-DIMETHOXY)ANILINE NaphtholAS-LC(C.I.37555) 4′-Chlor-3-hydroxy-2′,5′-dimethoxy-2-naphthanilid Naphthol AS-LC ISO 9001:2015 REACH Naphthol AS-LC (4'-Chloro-2',5'-dimethoxy-3-hydroxy-2-naphthanilide) C.I.Azoic Coupling Component 23:C.I.37555 4273-92-1 C19H16ClNO4 Naphthol AS-LC 4'-chloro-3-hydroxy-2',5'-dimethoxy-2-naphthanilide 4'-CHLORO-3-HYDROXY-2',5'-DIMETHOXY-2-NAPHTHOIC ACID ANILIDE (CI 37555) 4273-92-1 Organics Intermediates of Dyes and Pigments