Direct Dyes Direct Brown 223

• Colour: Brown
• Appearance: Powder
• Usage: Paper, Ink, Leather, Textile, Food, Plastic, Paint
• Application Material: Wool
• Name: Direct Brown 223
• Content: 100%
• Model NO.: 76930-14-8
• C.I.No.: Direct Brown 223
• 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

C.I.Direct Brown 223,
CAS 76930-14-8,670.56,C30H20N6Na2O8S,Direct Brown MA

Molecular Formula:C₃₀H₂₀N₆Na₂O₈S

Molecular Weight: 670.56

CAS Registry Number:76930-14-8

Manufacturing Methods : 4-Amino-N-(4-aminophenyl)benzamide double nitriding,first coupled with 2-Hydroxybenzoic acid
, and then in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid  coupling.

Properties and Applications:  brown

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	3	5	4-5	3-4	2	4	3

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