Direct Scarlet 4BS
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Direct dyes are formed by the combination of hydrogen bonds and van der Waals forces between direct dyes and cotton fibers. They are mainly used in fiber, silk, cotton spinning, leather and other industries; Direct Scarlet 4BS Free Sample is a kind of direct dyes and has a wide range of applications. MST specializes in the production of direct dye factories, which can produce Direct Scarlet 4BS Free Sample of different strengths according to customer requirements.
Other product names: Scarlet 4BS; Direct red 23
CAS Number: 3441-14-3
Molecular formula: C35H27N7O10S2
Molecular weight: 769.7598
EINECS number: 222-348-4
Direct Scarlet 4BS is mainly used for the dyeing and printing of cotton, viscose, linen and other fiber fabrics. It can also be used for silk and wool dyeing. It can also be used for paper and leather dyeing, and for the manufacture of lake pigments. When Direct Scarlet 4BS Free Sample is used for dyeing blended fabrics of cotton and viscose, silk and wool have a lighter color, nylon is heavily stained, and diacetate and polyester are slightly stained.
Direct Scarlet 4BS performance:
Direct Scarlet 4BS is purple-red powder. The color becomes bright red after being dissolved in water. The color of Direct Scarlet 4BS Free Sample aqueous solution turns to light blue after adding dilute sulfuric acid. After adding concentrated hydrochloric acid, the solution produces wine-red precipitate, and after adding concentrated alkali, the color turns to red light orange-brown.
Direct Scarlet 4BS Free Sampleis slightly soluble in ethanol and orange in color, but insoluble in acetone.
MST specializes in the production of dyestuffs. The main varieties are acid dyes, direct dyes, sulfur dyes, dye intermediates, etc. It is a high-tech enterprise integrating manufacturing and sales. Its products are very popular in China and exported to Europe, Africa and other foreign markets.
|NO.||Color sample||Dyes name||Strength||International Numbering||Packing|
|1||Direct yellow R||150%||Direct Yellow 11||25Kg/DR|
|2||Direct frozen yellow GX||100%||Direct Yellow 12||25Kg/DR|
|3||Direct Orange S||100%||Direct Orange 26||25Kg/DR|
|4||Direct Orange 2GL||200%||Direct Brown 39||25Kg/DR|
|5||Direct yellowish-brown D3G||100%||Direct Brown 1||25Kg/DR|
|6||Direct deep brown M||100%||Direct Brown 2||25Kg/DR|
|7||Direct red brown MN||100%||Direct Brown||25Kg/DR|
|8||Direct Bordeaux B||100%||Direct Red 13||25Kg/DR|
|9||Direct acid proof scarlet 4BS||100%||Direct Red 23||25Kg/DR|
|10||Direct red 4BE||100%||Direct Red 28||25Kg/DR|
|11||Direct pink 12B||100%||Direct Red 31||25Kg/DR|
|12||Direct fast red F3B||150%||Direct Red 80||25Kg/DR|
|13||Direct green B||100%||Direct Green 6||25Kg/DR|
|14||Direct blue 2B||100%||Direct Blue 6||25Kg/DR|
|15||Direct lake blue 5B||100%||Direct Blue 15||25Kg/DR|
|16||Direct fast blue B2RL||100%||Direct Blue 71||25Kg/DR|
|17||Direct light turquoise blue GL||100%||Direct Blue 86||25Kg/DR|
|18||Direct copper blue 2B||100%||Direct Blue 151||25Kg/DR|
|19||Direct ash D||100%||Direct Black 17||25Kg/DR|
|20||Direct fast black G||100%||Direct Black 19||25Kg/DR|