Contact us: +91 9550333722 040 - 40102781

Chemicalbook Indiar

Structured search

India

Choose your country
Different countries will display different contents

China United Kingdom South Korea Germany Japan India

Try our best to find the right business for you.

My chemicalbook

Welcome back!

Home Product name listDirect Black 27

Direct Black 27

Molecular Weight: 0

What is Direct Black 27?

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid coupling, and then in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid?coupling, product to diazo, and Benzene-1,3-diamine coupling.

Properties and Applications

blue and black. Moderate soluble in water for hidden cyan, not soluble in alcohol. The strong sulfuric acid for Tracy in blue, diluted for dark purple. The dye solution to join strong hydrochloric acid have precipitation of dark; Add thick sodium hydroxide solution for purple.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	4	3	4	1-2		2-3

Safety information for Direct Black 27

New Products

4-Aminotetrahydropyran-4-carbonitrile Hydrochloride (R)-3-Aminobutanenitrile Hydrochloride 4-AMINO-TETRAHYDRO-PYRAN-4-CARBOXYLIC ACID HCL 4-(Dimethylamino)tetrahydro-2H-pyran-4-carbonitrile 3-((Dimethylamino)methyl)-5-methylhexan-2-one oxalate 1,4-Dioxa-8-azaspiro[4.5]decane 5-Bromo-2-nitropyridine Nimesulide BP Aceclofenac IP/BP/EP Mefenamic Acid IP/BP/EP/USP Diclofenac Sodium IP/BP/EP/USP Ornidazole IP Diclofenac Potassium SODIUM AAS SOLUTION ZINC AAS SOLUTION BUFFER SOLUTION PH 10.0(BORATE) GOOCH CRUCIBLE SINTERED AQUANIL 5 BERYLLIUM AAS SOLUTION 2-Bromo-1-(bromomethyl)-3-chloro-5-nitrobenzene 2-Bromo-3-nitroaniline N-(3-Hydroxypropyl)-N-methylacetamide 3-Bromo-6-chloropyridazine 4-ethyl-3-nitrobenzoic acid

Related products of tetrahydrofuran

Direct Black 24

Direct Black 24

4-Amino-3,6-bis[[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt

4-Amino-3,6-bis[[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt

4-Amino-6-[(4-aminophenyl)azo]-3-[[4'-[[5-[(4-aminophenyl)azo]-2,4-diaminophenyl]azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt

4-Amino-6-[(4-aminophenyl)azo]-3-[[4'-[[5-[(4-aminophenyl)azo]-2,4-diaminophenyl]azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt

6-Amino-4-hydroxy-3-[[4-(phenylazo)-1-naphtyl]azo]-2-naphthalenesulfonic acid sodium salt

6-Amino-4-hydroxy-3-[[4-(phenylazo)-1-naphtyl]azo]-2-naphthalenesulfonic acid sodium salt

2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-[[4'-[[4-hydroxy-2-(phenylamino)phenyl]azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-, disodium salt

2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-[[4'-[[4-hydroxy-2-(phenylamino)phenyl]azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-, disodium salt

3,3'-[1,1'-Biphenyl-4,4'-diylbis(azo)]bis(6-amino-4-hydroxynaphthalene-2-sulfonic acid sodium) salt

3,3'-[1,1'-Biphenyl-4,4'-diylbis(azo)]bis(6-amino-4-hydroxynaphthalene-2-sulfonic acid sodium) salt

Direct Black 22:1

Direct Black 22:1

2-Naphthalenesulfonic acid, 6-(2,4-diaminophenyl)azo-3-4-(2,4-diaminophenyl)azo-3-sulfophenylazo-4-hydroxy-, disodium salt

2-Naphthalenesulfonic acid, 6-(2,4-diaminophenyl)azo-3-4-(2,4-diaminophenyl)azo-3-sulfophenylazo-4-hydroxy-, disodium salt

You may like

1-Methyl-6-oxo-1,6-dihydropyridazine-3-carbonitrile 98%
99903-60-3
View Details
88491-46-7 98%
88491-46-7
View Details
1823368-42-8 98%
1823368-42-8
View Details
2-(3-(tert-butyl)phenoxy)-2-methylpropanoic acid 1307449-08-6 98%
1307449-08-6
View Details
Ethyl 3-(furan-2-yl)-3-hydroxypropanoate 25408-95-1 98%
25408-95-1
View Details
2-Chloro-5-fluoro-1-methoxy-3-methylbenzene 98%
1805639-70-6
View Details
1784294-80-9 98%
1784294-80-9
View Details
Lithium Clavulanate
61177-44-4
View Details

Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.