High Quality of Direct Violet 51 Diect Violet Bb for Textile, Leather Use

• CAS No.: 5489-77-0
• Formula: C32h27n5na2o8s2
• Colour: Violet
• Appearance: Powder
• Usage: Paper, Ink, Leather, Textile, Food, Plastic, Paint
• Application Material: Leather
• Name: Direct Violet 51
• Content: 100%
• C.I.No.: Direct Violet 51
• Light Fastness: 2
• Washing Fatness: 3
• Rubbing Fastness: 4
• Transport Package: Bag
• Trademark: emperor
• Origin: China
• HS Code: 3204140000
• Production Capacity: 80000t/Y

Product Description

Product Name: Direct Violet 51
C.I. No.: 27905
CAS No.: 5489-77-0
Molecular Formula: C32H27N5Na2O8S2
Molecular Weight: 719.7
Shade: blue purple powder.
Relative name:
C.I. Direct Violet 51 (7CI);C.I. Direct Violet 51,disodium salt (8CI);Sirius Violet BB (6CI);Amanil Fast Violet BL;AtlanticFast Violet FFB;Azine Light Violet BB;Benzanil Fast Violet 2BL;Benzo ViscoseViolet BL;Chloramine Brilliant Fast Violet 3B;Chrome Leather Violet BL;Cotton Violet BB; Levacell Violet BB;Diazol Light Violet B;Diphenyl Brilliant VioletB; Diphenyl Brilliant Violet RC; Direct Fast Violet BL;

Direct Violet 51 Physical Properties and light fastness, solubility.

Direct Violet 51
Dyeing depth %	2
Insolubles %	0.15
Light Fastness	3-4
Washing Fatness	1-2
Rubbing fastness(dry)	4
Rubbing fastness(wet)	3

Direct Violet 51 Properties: 
blue purple. Purple powder. For the red light purple is soluble in water, soluble in soluble fiber element, slightly soluble in ethanol and acetone, insoluble in other organic solvents. The strong sulfuric acid dyes in dark green for blue-ray, diluted into blue; In nitric acid for blue-ray in green, to dark brown. The dye solution to join strong hydrochloric acid into blue, precipitation; Add thick sodium hydroxide solution to purple, have precipitation. 60 ºC the solubility of 15 when g/L, 97 ºC the solubility of 25 g when/L, not sensitive to that fights. For blue light purple, dyeing encounter copper, iron ion colored light are a little red. For A class SDC classification. To dead cotton covered the gender is poorer, cotton and glue neutral white are 4 ~ 5 level, cotton white alkaline for 4 ~ 5 level, viscose alkaline white into four grades.


Application:
Used for cotton, viscose, wool, silk and polyamide fiber dyeing and printing directly. Can also be used for leather, paper, water-based ink color.

Package, 25KG/DRUM, CARTON BOX, BAG

Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.

ONS PHOTOS:

 

FACTORY PHOTOS: