CAS 15958-19-7|2-chloro-5-[(2-hydroxy-1-naphthyl)azo]toluene-4-sulphonic acid

Introduction：Basic information about CAS 15958-19-7|2-chloro-5-[(2-hydroxy-1-naphthyl)azo]toluene-4-sulphonic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Synonyms

Common Name	2-chloro-5-[(2-hydroxy-1-naphthyl)azo]toluene-4-sulphonic acid
CAS Number	15958-19-7	Molecular Weight	376.81400
Density	1.48g/cm3	Boiling Point	/
Molecular Formula	C₁₇H₁₃ClN₂O₄S	Melting Point	343-345ºC (decomposes)
MSDS	/	Flash Point	/

Names

Name	5-chloro-4-methyl-2-[2-(2-oxonaphthalen-1-ylidene)hydrazinyl]benzenesulfonic acid
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.48g/cm3
Melting Point	343-345ºC (decomposes)
Molecular Formula	C₁₇H₁₃ClN₂O₄S
Molecular Weight	376.81400
Exact Mass	376.02800
PSA	104.21000
LogP	4.46100
Index of Refraction	1.675
InChIKey	IYHIFXGFKVJNBB-UHFFFAOYSA-N
SMILES	Cc1cc(N=Nc2c(O)ccc3ccccc23)c(S(=O)(=O)O)cc1Cl

Safety Information

HS Code	2927000090

Customs

HS Code	2927000090
Summary	2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Synonyms

D.C. Red No. 9

Pigment Red 53-1

EINECS 240-089-5

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