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
| 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) | ![]() 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 |
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
Raw materials
Preparation Products
| Supplier | Tel | 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 | |
|---|---|---|---|---|---|---|---|---|
![]() |
2019-07-06 | Naphthol AS-LC
4273-92-1
|
$1.00 | 1kg | 99% | Career Henan Chemical Co |
-

- Naphthol AS-LC
4273-92-1
- $1.00
- 99%
- Career Henan Chemical Co





