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HomeProduct name listDirect Black 166

Direct Black 166

Direct Black 166 Structural

What is Direct Black 166?

Preparation

4-Amino-N-(4-aminophenyl)benzamide double nitriding, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupled, aniline diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?group of neighborhood, a coupling again with Benzene-1,3-diamine coupling.

Properties and Applications

black. Used for cellulose fiber dyeing and printing, also can be used for leather dyeing. Is C.I. Direct Black 38 substitutes.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 2-3 1 3 1

Properties of Direct Black 166

CAS DataBase Reference 57131-19-8
EPA Substance Registry System 2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-5-hydroxy-6-(phenylazo)-, disodium salt (57131-19-8)

Safety information for Direct Black 166

Computed Descriptors for Direct Black 166

Direct Black 166 manufacturer

Neema Chemicals

1Y
Phone:+91-9825484478
Whatsapp: +91 9825484478
product: 57131-19-8 Direct black 166 99%
Inquiry

Amogh Chemicals Pvt Ltd

1Y
Phone:+919833649289
Whatsapp: +91-9833649289
product: Direct black 166 98%
Inquiry

Aries Dye Chem Industries

1Y
Phone:+91-7925833164
Whatsapp: +91 7925833164
product: Direct black 166 99%
Inquiry

Nitin Dye Chem Pvt Ltd

1Y
Phone:+91-9820369520
Whatsapp: +91-9820369520
product: 57131-19-8 Direct black 166 99%
Inquiry

Colosperse Dyes And Intermediates

1Y
Phone:+919909927432
Whatsapp: +91- 9909927432
product: 57131-19-8 Direct black 166 98%
Inquiry

Victor Color Industries

1Y
Phone:+912224052019
product: 57131-19-8 98%
Inquiry

Indogulf Group

Maharashtra
product: Direct black 166
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Galaxy Exports

Beijing
product: Direct black 166
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