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Quick Details

Brand Name: GC
Usage: Textile Dyestuffs
Type: Acid Dye
Place of Origin: China (Mainland)
EINECS No.: 229-068-1
CAS No.: 6408-78-2
Usage: Ink Dyestuffs, Leather Dyestuffs, Paint Dyestuffs, Paper Dyestuffs, Plastic Dyestuffs, Textile Dyestuffs
MF: C20H13N2NaO5S

Specifications

Product Details: 
Name: Direct Black EX, Direct black 38 
Molecular Formula: C34H25N9Na2O7S2 
CAS NO.: 1937-37-7 
EINECS NO.: 217-710-3 
Appearance: brown black powder 
Shade: Similar to standard 
Insoluble: 0.47% 
Light fastness: 4 
Acid resistance: 3 
Alkali resistance: 3 
Water fastness: 3 
Application: cotton, silk, wood, plastic, leather, paper, black ink etc. 

Storage and transportation: 
1. Be stored in shade, dry & well-ventilated warehouse. 
2. Avoid to be contacted with oxidizing chemicals and combustible organic substances. 
3. Keep it away from direct sublight, heat, sparks and open flames. 
4. Handle carefully the product and avoid damaging the package.