DIRECT RED 80 Chemical Properties

Density 

1.625[at 20℃]

vapor pressure 

0Pa at 25℃

Colour Index 

35780

pka

pK1-6 < 2; pK7.8 >13(at 25℃)

form 

powder

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

InChIKey

YIQKLZYTHXTDDT-IJPLDVMMSA-H

LogP

-2.82 at 20℃

CAS DataBase Reference

2610-10-8

EPA Substance Registry System

C.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

• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

DIRECT RED 80 Usage And Synthesis

Uses

Direct 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.

Uses

Stain for connective tissue. Dye for cellulose fibers.

Definition

ChEBI: 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 Explosibility

Non flammable

Properties and Applications

DIRECT RED 80(2610-10-8)Related Product Information

• Direct Black 38
• FAST RED RC SALT
• Fuchsin Acid
• Congo Red
• Methyl Red
• Phenol Red sodium salt
• CI 37085
• Direct Black 19
• CHLORANTINE FAST RED 5B
• Direct Red 23
• Direct Yellow 12
• Direct Blue 86
• DIRECT SCARLET B
• CHLORAZOL BLACK BH
• CHICAGO SKY BLUE 6B
• DIRECT FAST BROWN M
• CHLORAZOL VIOLET N
• DIRECT PURE YELLOW 5G