tetrasodium [mu-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-)

CAS NO.：16143-79-6
Empirical Formula: C32H16Cu2N6O16S4.4Na
Molecular Weight: 1087.81
EINECS: 2402981
SAFETY DATA SHEET (SDS)
Update Date: 2024-12-18 14:08:52

What is tetrasodium [mu-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-)?

The Uses of tetrasodium [mu-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-)

Direct Blue 76 is a cotton polyester dye. Direct Blue 76 is an azo dye on cellophane film.

Preparation

3,3′-Dimethoxylbenzidine double nitriding, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-1,3-disulfonic acid (2 Moore) coupling, and then into copper complex.

Properties and Applications

green light blue

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
Standard	Acid Resistance	Alkali Resistance	Light Fastness	Fading	Stain	Fading	Stain
ISO	5	4-5	5	3		3
AATCC	4	4	5-6	3		2

Properties of tetrasodium [mu-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-)

storage temp.	Hygroscopic, -20°C Freezer, Under inert atmosphere
solubility	DMSO (Slightly, Heated, Sonicated), Methanol (Very Slightly), Water (Slightly)
form	Solid
color	Dark Purple to Dark Brown
Stability:	Hygroscopic
EPA Substance Registry System	C.I. Direct Blue 76, tetrasodium salt (16143-79-6)

Safety information for tetrasodium [mu-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-)

Computed Descriptors for tetrasodium [mu-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-)

tetrasodium [mu-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-) manufacturer

Revo One

Maharashtra

product: Direct blue 76

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