3-Hydroxy-2-naphthoyl-ortho-phenetidide
Naphthol AS-PH
CAS: 92-74-0
Molecular Formula: C19H17NO3
3-Hydroxy-2-naphthoyl-ortho-phenetidide - Names and Identifiers
| Name | Naphthol AS-PH |
| Synonyms | C.I. 37558 Naphthol AS-PH C.I.Azoic Coupling Component 14 C.I. Azoic Coupling Component 14 2-Hydroxy-3-Naphthoyl-O-Ethoxy Aniline 3-Hydroxy-2-Naphthoyl-Ortho-Phenetidide N-(2-ethoxyphenyl)-3-hydroxynaphthalene-2-carboxamide 2-Naphthalenecarboxamide, N-(2-ethoxyphenyl)-3-hydroxy- |
| CAS | 92-74-0 |
| EINECS | 202-185-5 |
| InChI | InChI=1/C19H17NO3/c1-2-23-18-10-6-5-9-16(18)20-19(22)15-11-13-7-3-4-8-14(13)12-17(15)21/h3-12,21H,2H2,1H3,(H,20,22) |
3-Hydroxy-2-naphthoyl-ortho-phenetidide - Physico-chemical Properties
| Molecular Formula | C19H17NO3 |
| Molar Mass | 307.343 |
| Density | 1.273g/cm3 |
| Melting Point | 157~158℃ |
| Boling Point | 436.2°C at 760 mmHg |
| Flash Point | 217.6°C |
| Vapor Presure | 3.23E-08mmHg at 25°C |
| pKa | 8.74±0.40(Predicted) |
| Refractive Index | 1.686 |
| Physical and Chemical Properties | Character light yellow powder. melting point 157~158 ℃ solubility in caustic soda solution. |
| Use | Mainly used for cotton fabric printing and dyeing primer |
3-Hydroxy-2-naphthoyl-ortho-phenetidide - Upstream Downstream Industry
| Raw Materials | 涂料大红 皮革喷涂红GL 永固红F5RK 分散红 220 |
| Downstream Products | Coating Brilliant Red Leather Coating Red GL Pigment Permanent Red F5RK Disperse Red 220 |
3-Hydroxy-2-naphthoyl-ortho-phenetidide - Introduction
Naphthol AS-PH is an organic compound with the chemical name 2-naphthol-4-sulfonate sodium.
Nature:
1. It is a solid with light yellow to orange yellow crystals, soluble in water and some organic solvents.
2. Naphthol AS-PH has good dye properties and stability.
Usage:
1. Naphthol AS-PH is mainly used as an intermediate in the dye industry as an organic dye.
2. It can undergo hydrogen bonding with textile molecules, allowing dye substances to firmly adhere to fibers, improving dyeing efficiency and pigment stability.
3. Naphthol AS-PH can also be used to prepare pigments, inks, plastic dyes, paints, and wood dyes.
Method:
The general method for naphthol AS-PH is to react 2-naphthol with sodium bisulfite to produce a sulfonate of naphthol AS-PH. Subsequently, after acidification treatment, the free acid or sodium salt form of naphthol AS-PH is obtained.
Security information:
1. It belongs to flammable solids and may cause a fire when encountering a fire source.
2. Naphthol AS-PH is irritating and should be quickly rinsed with water when in contact with skin and eyes.
3. During the operation, protective gloves, work clothes, and safety glasses should be worn to ensure good ventilation conditions.
4. During storage and transportation, contact with oxidants and strong acids should be avoided to prevent dangerous reactions.
Last Update：2024-04-11 15:51:37
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Spot supply
Product Name: 3-Hydroxy-2-naphthoyl-ortho-phenetidide Request for quotationCAS: 92-74-0
Tel: 15335994747
Email: 3521670276@qq.com
Mobile: 15335994747
QQ: 3521670276
Wechat: A2020071098
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Raw Materials for 3-Hydroxy-2-naphthoyl-ortho-phenetidide
Downstream Products for 3-Hydroxy-2-naphthoyl-ortho-phenetidide