Home > All categories> Dyes and Pigments> Dyes> Direct Dyes> sodium,4-amino-3-[[4-[(2,4-diamino-5-methylphenyl)diazenyl]phenyl]diazenyl]-6-[[4-[(2,4-diamino-5-methylphenyl)diazenyl]phenyl]hydrazinylidene]-5-oxonaphthalene-2,7-disulfonic acid

sodium,4-amino-3-[[4-[(2,4-diamino-5-methylphenyl)diazenyl]phenyl]diazenyl]-6-[[4-[(2,4-diamino-5-methylphenyl)diazenyl]phenyl]hydrazinylidene]-5-oxonaphthalene-2,7-disulfonic acid

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Origin: China

Cas No: 6745-67-1

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 6745-67-1 Formula: C36H33N13NaO7S2+ Molecular Weight: 846.85000

Basic Info

Chemical Name	sodium,4-amino-3-[[4-[(2,4-diamino-5-methylphenyl)diazenyl]phenyl]diazenyl]-6-[[4-[(2,4-diamino-5-methylphenyl)diazenyl]phenyl]hydrazinylidene]-5-oxonaphthalene-2,7-disulfonic acid
Synonyms	2,4-amino-3,6-bis[[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]azo]-5-hydroxy-,disodium salt; C.I. Direct Black 28,disodium salt; Artificial Silk Black R; Rayon Black R; Columbia Fast Black V; Cutamin Black CV; C.I. Direct Black 28;
CAS No.	6745-67-1
Molecular Formula	C36H33N13NaO7S2+
Molecular Weight	846.85000
PSA	374.71000
LogP	14.29580

Properties

Density	1.678g/cm3
Refractive Index	1.795

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