CAS 1681-60-3|2,7-Naphthalenedisulfonicacid, 3-[2-(4-aminophenyl)diazenyl]-4,5-dihydroxy-, sodium sa

Introduction：Basic information about CAS 1681-60-3|2,7-Naphthalenedisulfonicacid, 3-[2-(4-aminophenyl)diazenyl]-4,5-dihydroxy-, sodium sa, 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	2,7-Naphthalenedisulfonicacid, 3-[2-(4-aminophenyl)diazenyl]-4,5-dihydroxy-, sodium salt (1:2)
CAS Number	1681-60-3	Molecular Weight	483.38300
Density	/	Boiling Point	/
Molecular Formula	C₁₆H₁₁N₃Na₂O₈S₂	Melting Point	/
MSDS	/	Flash Point	/

Names

Name	pontacyl violet 4bsn
Synonym	More Synonyms

Chemical & Physical Properties

Molecular Formula	C₁₆H₁₁N₃Na₂O₈S₂
Molecular Weight	483.38300
Exact Mass	482.97800
PSA	222.36000
LogP	4.79960
InChIKey	BBWPEJUNPNPWJI-UHFFFAOYSA-L
SMILES	Nc1ccc(N=Nc2c(S(=O)(=O)[O-])cc3cc(S(=O)(=O)[O-])cc(O)c3c2O)cc1.[Na+].[Na+]

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

VICTORIA VIOLET

Victoriaviolett 4BS

pontacylviolet

Azo Wool Violet 4B

3-(4-Aminophenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic Acid Disodium Salt

Violet 49

Disodium 3-(4-Aminophenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonate

C.I.Acid Violet 3

ACID VIOLET

ACID VIOLET 4BS

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