The most cost-effective Vat Blue RSN For Dyeing polyester-mixed cotton cloth

Short Description:

¹⁾Vat Blue RSN

2) C.I. Vat Blue 4, Navy Blue Powder

³⁾We can adjust the Tones and Quality according to the customer’s requirements.

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Product Detail

Product Tags

Product Specification

Name	Vat Blue RSN
Other Name	C.I. Vat Blue 4
Cas No.	81-77-6
Appearance	Navy Blue Powder
Packing	25KGS PP Bag/Kraft Bag/Carton Box/Iron Drum
Strength	100%
Application	Mainly used for dyeing cotton, viscose fiber, can also be used for leather, silk and so on.

Description

VAT Blue RSN is a navy blue powder, insoluble in water. It is one of the earliest anthraquinone VAT dyes. VAT blue RSN is a VAT blue dye with red light and a standard strength. First produced in 1901, it is still the largest yield of the important VAT dye variety.

Product character

The product character of Vat Blue RSN includes:

Physico - chemical property: Insoluble in water, acetic acid, ethanol, pyridine, xylene, toluene, slightly soluble in chloroform (heat), o-chlorophenol, quinoline. Brown in concentrated sulfuric acid and produce blue precipitates after dilution. In the insurance powder alkaline solution is blue, in the acid solution is red blue.

Main features

The main features of Vat Blue RSN include:

Ⅰ. The mixture of 2-aminoanthraquinone with caustic soda and caustic potassium was fused in the presence of sodium nitrate, then refined with insurance powder, and then oxidized, filtered, dried and commercialized.

Ⅱ. It is mainly used for dyeing cotton, viscose and other fibers. Dyeing methods mainly include chromophyte dyeing (immersion dyeing) and suspension dyeing (rolling dyeing) : dyed fabrics have good wet fastness, most dyes have high fastness to sunlight, and chromatic acid can be dissolved in alkaline solution and adsorbed by fibers; The cryptochromic bodies (soluble sodium salts of dyes) adsorbed on the fibers return to the original insoluble carbon base (ligand or ketone bodies) state under the action of acids and oxidants, and are fixed in the fibers.

Ⅲ. VAT Blue RSN bright color, light fastness, alkali resistance, wash resistance, sweat resistance and other fastness are very good, but not chlorine bleaching resistance. It is mainly used for dyeing cotton fiber, viscose fiber, Vinylon and so on. It can also be used as organic pigment.

Storage & Transportation

The product must be stored in shade, dry & well-ventilated warehouse. Avoid to be contacted with oxidizing chemicals and combustible organic substances. Keep it away from direct sunlight, heat, sparks and open flames. Carefully handle the product and avoid damaging the package.