Durable Direct Yellow 12
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Durable Direct Yellow 12

MST® Durable Direct Yellow 12 is a kind of direct dye. MST® Durable Direct Yellow 12 can be directly dissolved in water and has high directness to cellulose fibers. It does not require the use of chemical methods to color fibers and other materials. MST® Durable Direct Yellow 12 can color wool and silk in weak acid or neutral solution, and can also be used for dyeing cotton, linen, rayon, and rayon. The disadvantage is that the washing and light fastness is not ideal.You can rest assured to buy Durable Direct Yellow 12 from our factory and we will offer you the best after-sale service and timely delivery.

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Product Description

MST® Durable Direct Yellow 12

Our goal is usually to consolidate and improve the high quality and service of existing solutions, meanwhile continuously create new items to meet unique customers' requires for Factory directly China MST® Durable Direct Yellow 12, We are also constantly looking to establish relationship with new suppliers to provide innovative and smart solution to our valued customers.
Factory directly China MST® Durable Direct Yellow 12, Our organization. Situated inside the national civilized cities, the visitors is very easy, unique geographical and economic situations. We pursue a "people-oriented, meticulous manufacturing, brainstorm, construct brilliant" organization. hilosophy. Strict top quality management, fantastic service, reasonable cost in Myanmar is our stand on the premise of competition. If vital, welcome to make contact with us by our web page or telephone consultation, we are going to be pleased to serve you.

MST® Durable Direct Yellow 12 is a kind of direct dye. Durable Direct Yellow 12 can be directly dissolved in water and has high directness to cellulose fibers. It does not require the use of chemical methods to color fibers and other materials. Durable Direct Yellow 12 can color wool and silk in weak acid or neutral solution, and can also be used for dyeing cotton, linen, rayon, and rayon. The disadvantage is that the washing and light fastness is not ideal.

Other name: Chrysophenine GX/Direct yellow G

C.I. 24895

CAS NO.: 2870-32-8

EINECS No.:220-698-2

MF: C30H26N4Na2O8S2

Molecular weight: 680.67

Dissolution: soluble in water.

Preparation of Durable Direct Yellow 12:

Durable Direct Yellow 12 is formed by diazotizing DSD acid and coupling with two molecules of phenol, and then converting the hydroxyl group on the phenol into ethoxy group through ethyl chloride.


The nature of Durable Direct Yellow 12:

1. Use Durable Direct Yellow 12 dye. One gram is dissolved in 50 ml of water. When the temperature is ≤15, it becomes a jelly, hence the name Frozen Yellow.

2. Direct Yellow G dyes cellulose fibers. Durable Direct Yellow 12 has good exhaustion performance, the temperature is 40℃, and the affinity is the largest, and the discharge performance is very good.


Uses of Durable Direct Yellow 12:

Durable Direct Yellow 12 is mainly used in the dyeing of cellulose fiber fabrics such as cotton, linen, and rayon, and fabrics such as trampled polyester.

Durable Direct Yellow 12 can also be used for dyeing leather, pulp, and biology;

Durable Direct Yellow 12 can also be used to make lakes and pigments.

The characteristics of direct dyes:

Direct dyes have water-soluble groups such as sulfonic acid group (-SO3H) or carboxyl group (-COOH) arranged in a linear structure. The aromatic ring structure is in the same plane, so the direct dye has a greater affinity for the cellulose fiber. It can be dyed directly in a neutral medium. As long as the dye is dissolved in dry water, it can be dyed.

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