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Jiangsu Tianbo Chemical Co.,Ltd.

15 YRS

Jiangsu, China

CNY 45 Million

66600 m²

Less than 50 people

Main Products: Naphthol As / 3-Hydroxy-2'-Methyl-2-Naphthanilide / Naphthol As-E / 3-Hydroxy-2-Naphthoyl-Ortho-Phenetidide / 3-Hydroxy-N-(2-Methoxyphenyl)-2-Naphthamide / 3-Hydroxy-3'-Nitro-2-Naphthanilide / N-(4-Chloro-2,5-Dimethoxyphenyl)-3-Hydroxynaphthalene-2-Carboxamide / 3-Hydroxy-N-Naphthalen-1-Ylnaphthalene-2-Carboxamide / N-(4-Ethoxyphenyl)-3-Hydroxynaphthalene-2-Carboxamide / 3-Hydroxy-4'-Methoxy-2-Naphthanilide / 2-Methoxy-4-Nitroaniline / 4-Methoxy-2-Nitroaniline / 2-Methoxy-5-Nitrobenzenediazonium / 2-Methyl-5-Nitroaniline

Jiangsu, China

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Naphthol AS / CAS 92-77-3

OVERVIEW

Packaging

25 KG/Woven Bag

Lead Time

14-30 days

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DESCRIPTION

Naphthol AS

Alias:	2-hydroxy-3-naphthoic acid anilide
Product name:	Naphthol AS
CAS RN：	92-77-3
Index No.:	Azoic Coupling Component 2(37505)
Molecular formula:	C₁₇H₁₃NO₂
Structural formula:
Molecular weight:	263.28
Appearance:	Beige powder
Assay:	≥99%
Color light:	Near to standard substance
Intensity, molecule:	100±5 of standard substance
Melting point(dry product):	247°C
2.3 acid content:	≤0.09%
Unsoluble substance content in basic liquor:	≤0.15%
Insoluble residues in HCL :	--
Use:	Intermediates of organic pigments

Typical Properties

This product is mainly used in the production of organic pigments, dyeing and printing of cotton fiber, viscose fiber and some synthetic fibers.

CAS No.

92-77-3

Formula

C17H13NO2

Molecular Mass

263.29

Exact Mass

263.09500

PSA

49.33000

Logp

3.87070

IUPAC

3-hydroxy-N-phenylnaphthalene-2-carboxamide

SMILES

C1=CC=C(C=C1)NC(=O)C2=CC3=CC=CC=C3C=C2O

Matter Classification

organic

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