CAS 12239-15-5|Acid Yellow 49

Introduction：Basic information about CAS 12239-15-5|Acid Yellow 49, 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	Acid Yellow 49
CAS Number	12239-15-5	Molecular Weight	426.277
Density	1.6±0.1 g/cm3	Boiling Point	/
Molecular Formula	C₁₆H₁₃Cl₂N₅O₃S	Melting Point	/
MSDS	/	Flash Point	/

Names

Name	2,5-dichloro-4-[(2Z)-2-(5-imino-3-methyl-1-phenylpyrazol-4-ylidene)hydrazinyl]benzenesulfonic acid
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.6±0.1 g/cm3
Molecular Formula	C₁₆H₁₃Cl₂N₅O₃S
Molecular Weight	426.277
Exact Mass	425.011627
PSA	131.31000
LogP	3.91
Index of Refraction	1.720
InChIKey	QHVBDWZOQBMLLW-UHFFFAOYSA-N
SMILES	Cc1nn(-c2ccccc2)c(N)c1N=Nc1cc(Cl)c(S(=O)(=O)O)cc1Cl

Safety Information

HS Code	3204120000

Customs

HS Code	3204120000

Synonyms

5-Amino-1-phenyl-4-((2,5-dichloro-4-sulfophenyl)azo)-3-methyl-pyrazole

einecs 235-473-4

Benzenesulfonic acid, 4-((5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo)-2,5-dichloro-

c.i. acid yellow 49

Benzenesulfonic acid, 4-[(E)-2-(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)diazenyl]-2,5-dichloro-

2,5-Dichloro-4-((5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo)benzenesulfonic acid

4-((5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo)-2,5-dichlorobenzenesulphonic acid

i04-9876

4-[(E)-(5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)diazenyl]-2,5-dichlorobenzenesulfonic acid

Acid Yellow 49

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