Vat Blue 4 Vat Blue RSN

1. Molecular formula: C28H14N2O4
2. Molecular weight: 442.43
3. Structure formula:
4. CAS NO.:81-77-6
5. Appearance: Bluepowder.
6. Specification: Strength 100% & CDP
7. Usage: Mainly used in dyeing of cotton and silk.
8. Packing, storage and transportation: Packed with 25KG cartons, allows to be tansported by the general means.

 

Vat Blue 4  Vat Blue RSN
Properties and Applications:

brilliant red light blue. Blue black powder. Insoluble in water, acetic acid, Pyridine , toluene, Xylene, Acetone and ethanol, slightly soluble in hot Chloroform, 2 – Chlorophenol and Quinoline. Alkaline reduction leuco for blue; Acid reduction leuco for red light blue. In concentrated sulfuric acid for brown, dilution after blue precipitation. Easy excessive oxidation and reduction, the solid water sensitive, no resistance to chlorine bleaching. Widely used in yarn leuco dye and super fine powder can be used for cotton and polyester/cotton blended fabric of the suspension milk dye, also can be used for cotton direct printing and resist printing. Also can dye rayon, nylon and vinylon. Can be used for Peacekeeping/cotton, polyester/cotton blended fabric two bath dyeing set. Can also be processed into Organic Pigments used in ink and paint.

Standard	Ironing Fastness	Chlorine bleach	Light Fastness	Mercerized	Oxygen bleach	Soaping
						Fading	Stain
ISO	5	1	7-8	2	4-5	4-5	5
AATCC	5	2	7-8	2-3	4-5

Vat Blue 4 Vat Blue RSN
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Vat Blue 4 Vat Blue RSN
Certificate of Comformance ZDHC MRSL, low heavy metals and low quinoline

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