ChemicalBook Product Catalog Dyes and Pigments dye Direct Dyes DIRECT RED 80

DIRECT RED 80

DIRECT RED 80 Basic information
Product Name:DIRECT RED 80
Synonyms:CI 35780;CI NO 35780;DIRECT RED 80;Fast Red BA;Ambidirect Red 3BL;Anadurm Red D-BA;Best Direct Supra Red F3B;Covalene Brilliant Red F3B
CAS:2610-10-8
MF:C45H33N10NaO21S6
MW:1265.16
EINECS:220-027-3
Product Categories:Organics
Mol File:2610-10-8.mol
DIRECT RED 80 Structure
DIRECT RED 80 Chemical Properties
density 1.625[at 20℃]
vapor pressure 0Pa at 25℃
pkapK1-6 < 2; pK7.8 >13(at 25℃)
form powder
Colour Index 35780
color Dark green to Dark red to Black
Water Solubility Partly soluble in water, very slightly soluble in ethanol, and cellosolve. Insoluble in many organic solvents.
Merck 14,8548
BRN 8185575
InChIKeyYIQKLZYTHXTDDT-IJPLDVMMSA-H
LogP-2.82 at 20℃
CAS DataBase Reference2610-10-8
EPA Substance Registry SystemC.I. Direct Red 80, hexasodium salt (2610-10-8)
Safety Information
Safety Statements 22-24/25
WGK Germany 3
TSCA Yes
HS Code 2927.00.3000
MSDS Information
ProviderLanguage
SigmaAldrich English
ALFA English
DIRECT RED 80 Usage And Synthesis
UsesStain for connective tissue. Dye for cellulose fibers.
UsesDirect red 80 is a dye useful as a cardiac muscle stain and as a model compound in adsorption studies. It has also been utilized to compare efficacy of textile dye removal in aqueous solutions.
DefinitionChEBI: An organic sodium salt resulting from the formal condensation of Sirius red F3B (acid form) with six equivalents of sodium hydroxide. A polyazo dye used principally in staining methods for collagen and amyloid.
Flammability and ExplosibilityNonflammable
Properties and Applications

Standard

Acid Resistance

Alkali Resistance

Light Fastness

Soaping

Water

Fading

Stain

Fading

Stain

ISO

4

3

4-5

3

3

AATCC

5

2

4-5

3

3

DIRECT RED 80 Preparation Products And Raw materials
Raw materialsSulfanilic acid-->Aniline-2-sulfonic acid-->6,6'-Ureylene-bis(1-naphthol-3-sulfonic acid)-->J acid
CI 37085 Phenol Red sodium salt Methyl Red Congo Red Fuchsin Acid FAST RED RC SALT 7-AMINO-2-NAPHTHALENESULFONIC ACID SODIUM SALT C.I. direct red 80 6,6'-Ureylene-bis(1-naphthol-3-sulfonic acid) sodium hydrogen 4-aminoazobenzene-3,4'-disulphonate DIRECT RED 80 Disodium 7,7'-(carbonyldiimino)bis(4-hydroxynaphthalene-2-sulphonate) 4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid J acid 4-Aminoazobenzene-3,4'-disulfonic acid 6-AMINO-1-NAPHTHOL 4'-Aminoazobenzene-4-sulphonic acid CI 13015
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