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Naphthol AS-ITR

Azoic Coupling Component 12

CAS: 92-72-8

Molecular Formula: C19H16ClNO4

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Naphthol AS-ITR - Names and Identifiers

Name Azoic Coupling Component 12
Synonyms C.I. 37550
Sanatol ITR
NAPTHOL AS-ITR
Solunaptol ITR
NAPHTHOL AS-ITR
Naphthol AS-ITR
Ultrazol IX-ITR
Azoic Coupling Component 12
C.I. Azoic Coupling Component 12
5'-CHLORO-3-HYDROXY-2',4'-DIMETHOXY-2-NAPHTHANILIDE
N-(2-HYDROXYNAPHTHOYL)-2,4-DIMETHOXY-5-CHLOROANILIDE
N-(5-CHLORO-2,4-DIMETHOXYPHENYL)-3-HYDROXY-2-NAPHTHAMIDE
2-Hydroxy-3-Naphthoyl-(5'-Chloro-2', 4'-dimethoxy) Aniline
N-(5-chloro-2,4-dimethoxyphenyl)-3-hydroxynaphthalene-2-carboxamide
CAS 92-72-8
EINECS 202-182-9
InChI InChI=1/C19H16ClNO4/c1-24-17-10-18(25-2)15(9-14(17)20)21-19(23)13-7-11-5-3-4-6-12(11)8-16(13)22/h3-10,22H,1-2H3,(H,21,23)

Naphthol AS-ITR - Physico-chemical Properties

Molecular FormulaC19H16ClNO4
Molar Mass357.79
Density1.371±0.06 g/cm3(Predicted)
Melting Point200 °C
Boling Point480.3±45.0 °C(Predicted)
Flash Point244.3°C
Solubility soluble in Dimethylformamide
Vapor Presure7.52E-10mmHg at 25°C
Appearancepowder to crystal
ColorWhite to Amber
pKa8.65±0.40(Predicted)
Storage Condition2-8℃
Refractive Index1.682
MDLMFCD00021635
Physical and Chemical PropertiesThe appearance is light gray powder, melting point 193-194 ℃, easily soluble in acetone, soluble in pyridine, ethanol and benzene, insoluble in sodium carbonate solution. It is a yellow solution in sulfuric acid with green fluorescence; it is a yellow solution in sodium hydroxide, which is stable to air.
UseMainly used for the manufacture of organic pigments, can also be used for cotton yarn dyeing

Naphthol AS-ITR - Reference Information

Color index 37550
NIST chemical information information provided by: webbook.nist.gov (external link)
EPA chemical substance information information provided by: ofmpeb.epa.gov (external link)
Use phenol AS-ITR is mainly used for cotton dyeing primer, red, such as with red base ITR, red Base KL combined with brilliant pink, with high affinity to cotton. Also used for viscose fiber, silk, nylon dyeing and cotton printing and for the manufacture of lake pigments; Can also be used for the manufacture of organic pigments.
production method with 2,3-acid and 2, 4-dimethoxy-5-chloroaniline as raw materials, firstly, 2, 3-acid was prepared into sodium salt in chlorobenzene medium, and then condensed with 2, 4-dimethoxy-5-chloroaniline in the presence of PCl3, neutralized, distilled, filtered, drying to give the finished product.
Last Update：2024-04-09 21:21:28
Naphthol AS-ITR
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Hefei TNJ Chemical Industry Co.,Ltd.
Product Name: Azoic Coupling Component 12 Request for quotation
CAS: 92-72-8
Tel: 0086-551-65418684
Email: sales@tnjchem.com
　　　　 info@tnjchem.com
Mobile: 0086 189 4982 3763
QQ: 2881500840 Click to send a QQ message
Wechat: 0086 189 4982 3763
WhatsApp: 0086 189 4982 3763
Product List: View Catalog
Shanghai Yuanye Bio-Technology Co., Ltd.
Product Name: Azoic Coupling Component 12 Visit Supplier Webpage Request for quotation
CAS: 92-72-8
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409 Click to send a QQ message
Wechat: 18301782025
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Naphthol AS-ITR
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