3-(Phenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid

Modify Date: 2025-09-18 13:34:35

3-(Phenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid structure	Common Name	3-(Phenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid
	CAS Number	13432-13-8	Molecular Weight	424.40500
	Density	N/A	Boiling Point	N/A
	Molecular Formula	C₁₆H₁₂N₂O₈S₂	Melting Point	N/A
	MSDS	N/A	Flash Point	N/A

Name	5-hydroxy-4-oxo-3-(phenylhydrazinylidene)naphthalene-2,7-disulfonic acid
Synonym	More Synonyms

HS Code	2927000090

Precursor 2
CAS#:148-25-4 4,5-Dihydroxy-2... CAS#:100-34-5 Benzenediazoniu...
DownStream 2
CAS#:31232-21-0 3-amino-4,5-dih... CAS#:58425-39-1 5-hydroxy-3,4-d...

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%

3-benzeneazo-4,5-dihydroxynaphthalene-2,7-disulfonic acid

2-Phenylazo-chromotropsaeure

2,7-Naphthalenedisulfonic acid,4,5-dihydroxy-3-(phenylazo)

2-Benzolazo-1.8-dioxy-naphthalin-disulfonsaeure-(3.6)

4,5-Dihydroxy-3-phenylazo-naphthalin-2,7-disulfonsaeure

3-Benzolazo-4-5-dihydroxy-naphtalin-disulfonsaeure-(2.7)

Phenylazochromotropinsaeure

4,5-dihydroxy-3-phenylazo-naphthalene-2,7-disulfonic acid

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Names