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Direct Red 81 Dyes Manufacturers in India

Direct Red 81 Dyes | CAS 2610-11-9, 12237-71-7

Colorants Chem Pvt Ltd is one of India's leading manufacturers and exporters of high-quality Direct Red 81 Dyes to an industry-wise customer base to meet International Industry standards.

Direct Red 81 Dyes is a water-soluble dye that has an affinity for fiber and is taken up directly, such as the benzidine derivative. Direct Dyes are usually cheap and easily applied and yield bright colors. Direct Red 81 Dye has CAS number 2610-11-9 having Molecular Weight 675.

The commercial names of Direct Red 81 Dyes are Direct Red 4B, Direct Fast Red 4B, Direct Fast Red 8B, Duasyn Direct Red 8B, Pergasol Red 2B, and Solar Red B. The physical appearance of Direct Red 81 is Red powder.

Application of Direct Red 81 Dyes | C.I. 28160

● Direct Red 81 is used for dyeing cotton and viscose, can also be used for paper color.

Properties of Direct Red 81 Dyes

● Direct Red 81 is soluble in water for product red, soluble in soluble fiber elements, slightly soluble in alcohol, and insoluble in other organic solvents. The strong sulfuric acid dyes for dark blue, shallow orange-brown after diluted precipitation, in the nitric acid solution for colorful blue, to red light brown. The dye solution joins strong hydrochloric acid for yellow olive brown precipitation. Technical Data Sheet

Product Name : Direct Red 81

CAS No. : 2610-11-9

Packing : 25Kg Drum/Bag/Box

Sr. No. Test Specification
01 Type of Dye Direct Dyes
02 Chemical Class Disazo
03 C.I. Number 28160
04 Physical Appearance Red Powder
05 Hue Bright Red
06 Solubility Soluble in water
07 Light Fastness 4 - 5
08 Washing Fastness 1 - 2
09 Application Paper, Leather
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