Direct Dyes Red 80 for Paper Dyeing

Product Description

Product Name: Direct Red 80
C.I. No.: 35780
CAS No.: 2610-10-8
Molecular Formula: C45H26N10Na6O21S6
Molecular Weight: 1373.08
Relative Name:
Direct Red 12B,Direct Fast Pink,Direct Pink 12B,Direct Pink 5B.

Shade: bright blue light pink to red colourful blue-ray. Purple powder.

Direct Red 80 Physical Properties and light fastness, solubility.

Direct Red 80
Dyeing depth %	2
Insolubles %	0.15
Light Fastness	5
Washing Fatness	3
Rubbing fastness(dry)	3
Rubbing fastness(wet)	3

Direct Red 80 Properties and Applications:
Soluble in water for blue-ray red to product red, soluble in ethanol, soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid dyes for blue, diluted and red to blue light for purple; In the nitric acid to blue. The dye solution to join strong hydrochloric acid has the purple precipitation; Add thick sodium hydroxide solution into a red light purple. 60 ºC in the solubility of 30 g/L, 97 ºC in the solubility of 50 g/L. Hard to not sensitive. For colourful red light. In dye in bath of copper, iron ions are slight change color. SDC classification for a class B. Not suitable for the SiMian cover, cotton white for 3-4 neutral level, alkaline white is 3 classes, viscose neutral and alkaline white are level 2. More used to viscose fabric dyeing, a small amount used in printing, also used for silk, wool fabric dyeing and printing, anddisperse dyestuff polyester/cotton with bath dyeing blended fabric. Can also be used for leather, paper color.
Package, 25KG/DRUM, CARTON BOX, BAG

Note: The data contained here are based on our current knowledge and experience.

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