Direct Blue 71, Direct Fast Blue B2rl for Textile, Paper Use

• CAS No.: 4399-55-7
• Formula: C40h23n7na4o13s4
• Colour: Blue
• Appearance: Powder
• Usage: Paper, Ink, Leather, Textile, Food, Plastic, Paint
• Application Material: Paper
• Name: Direct Blue 71
• Content: 100%
• C.I.No.: Direct Blue 71
• Related Name: Direct Blue B2rl
• Light Fastness: -
• Washing Fatness: 2-3
• Rubbing Fastness: 4
• Transport Package: Bag
• Trademark: emperor
• Origin: China
• HS Code: 3204140000
• Production Capacity: 80000t/Y

Product Description

 
Product Name: Direct Blue 71
C.I. No.: 34140
CAS No.: 4399-55-7
Molecular Formula:C40H23N7Na4O13S4
Molecular Weight: 1029.87
Relatived Names:
Ambidirect Blue R; Bitafast Blue GLL; Blue 2-RL; Blue B2R 100%;Chrochem Direct Blue BRR; Direct Blue B2RL; Direct Blue FFC;Direct Blue GLL; Direct Fast Blue B2R; Direct Fast Blue B3RL;Direct Light Blue FRL
Shade: dark blue. Blue gray powder. Soluble in water for blue

Direct Blue 71 Physical Properties and light fastness, solubility.

Direct Blue 71
Density	1.31
Dyeing Depth %	2
Light Fastness	5-6
Washing Fatness	3-4
Rubbing Fastness(dry)	4
Rubbing Fastness(wet)	2-3

Direct Blue 71 application: Widely used in viscose fiber dyeing, also used in viscose/PVA blends, cotton, and the carpet of dyeing and printing. Also used in leather, paper, soap, cheese, protein and formaldehyde resin color.

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.



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