B-12 Blue powder
Blue powder B12
2. Chemical properties: dark blue powder, soluble in organic solvents such as ethanol, acetone, pyridine. It is greenish yellow in concentrated sulfuric acid and turns red and blue after dilution. When dyeing, the iron ion color is not changed, and the copper ion has a large change. The maximum absorption wavelength is 630 nm.
|Chemical Name||Blue powder B12|
|Packing||25kg / DRUM OR 25KG / CARTON|
|Application||Ink Dyestuffs, Leather Dyestuffs, Paint Dye--stuffs, Paper Dyestuffs, Plastic DyestuffsTextile Dyestuffs|
|Storage||Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances|
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3. Cerficate of optical brightener as follows
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