2,7-Naphthalenedisulfonicacid, 3-[2-(4-aminophenyl)diazenyl]-4,5-dihydroxy-, sodium salt (1:2)

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Names

[ CAS No. ]:
1681-60-3

[ Name ]:
2,7-Naphthalenedisulfonicacid, 3-[2-(4-aminophenyl)diazenyl]-4,5-dihydroxy-, sodium salt (1:2)

[Synonym ]:
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

Chemical & Physical Properties

[ Molecular Formula ]:
C16H11N3Na2O8S2

[ Molecular Weight ]:
483.38300

[ Exact Mass ]:
482.97800

[ PSA ]:
222.36000

[ LogP ]:
4.79960

MSDS

Click to get detail MSDS

Safety Information

[ HS Code ]:
2927000090

Precursor & DownStream

Precursor

  • 4,5-Dihydroxy-2,7-naphthalenedisulfonic acid
  • 4-nitrobenzenediazonium

DownStream

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%