Benzenesulfonic acid,4-[2-(4-hydroxyphenyl)diazenyl]-

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Names

[ CAS No. ]:
2918-83-4

[ Name ]:
Benzenesulfonic acid,4-[2-(4-hydroxyphenyl)diazenyl]-

[Synonym ]:
4'-Hydroxyazobenzene-4-sulphonic acid
4-hydroxyphenylazo-4-benzenesulfonic acid
EINECS 220-856-0

Chemical & Physical Properties

[ Density]:
1.44g/cm3

[ Melting Point ]:
270-275 °C

[ Molecular Formula ]:
C₁₂H₁₀N₂O₄S

[ Molecular Weight ]:
278.28400

[ Exact Mass ]:
278.03600

[ PSA ]:
107.70000

[ LogP ]:
4.13510

[ Index of Refraction ]:
1.648

Safety Information

[ HS Code ]:
2927000090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

Sulfanilic acid
Phenol
Salicylic acid
fentoxan
P-DIAZOBENZENESULFONIC ACID
4-Hydroxybenzoic acid
4'-Aminoazobenzene-4-sulphonic acid
p-(Phenylazo)phenol
Benzenesulfonic acid,4-(2-phenyldiazenyl)-
Sulfuric acid

DownStream

P-DIAZOBENZENESULFONIC ACID
CHLORANIL
4-phenolsulfonic acid
2,4,6-Tribromophenol
4-Aminophenol
Sulfanilic acid
4-Hydroxy-3-sulfoaniline

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%

Related Compounds

1-(4-Hydroxy-3-methoxyphenyl)cyclopentane-1-carboxylic acid
2-(5-Phenylthiophen-2-yl)prop-2-enoic acid
(3S)-3-{3-[(dimethylamino)methyl]phenyl}-3-hydroxypropanoic acid
3-(2-cyclopropylphenyl)-1-methyl-1H-pyrazole-5-carboxylic acid
2-[1-(1-Methylcyclohexyl)cyclopropyl]acetic acid
3-(2,3-dihydro-1H-inden-2-yl)-4,4,4-trifluorobutanoic acid
2,2-Dimethyl-3-(2-methylpyridin-4-yl)propanoic acid
3-(4,4-Dimethylcyclohexyl)-3,3-difluoropropanoic acid
2-Hydroxy-3-methyl-3-(oxan-4-yl)butanoic acid
(3S)-3-hydroxy-5-(morpholin-4-yl)pentanoic acid

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