Acid dyes Acid Black 210 CAS 99576-15-5

Acid dyes Acid Black 210 CAS 99576-15-5

Preparation method:

With 4, 4 ‘- diamino benzene sulfonic acid, H acid, aniline paranitroaniline between phenylene diamine as raw materials, and the first 4, 4’ – diamino benzene sulfonyl aniline dual nitride, then coupled with the H acid, then paranitroaniline diazotization, second coupled with coupled product for the first time, and finally the third coupled with m-phenylene diamine product.

Use the field

Weak acid black RB is suitable for dyeing of wool, silk, nylon and viscose fabrics. Especially suitable for leather coloring. Used for dyeing wool, silk, cotton and viscose, especially for leather dyeing.

why choose us ? 

1.Full experience of large numbers containers loading in Chinese sea port.
2.Fast shipment by reputed shipping line.
3.Packing with pallet as buyer’s special request.
4.Best service after shipment with e mail.
5.Cargoes together with container sales service available.
6.Full experience for Canada & Japan export.
7.Cargoes photo before and after loading into container.
8.Raw materials from Chinese origin.

Product expansion

1> Cosmetic Raw Materials: Cosmetics is a variety of raw materials through a reasonable deployment of processing from the compound mixture. Cosmetics with a wide range of raw materials, different performance. According to the Raw Material properties and uses of cosmetics, can be divided into matrix materials and auxiliary raw materials in two categories.

2> Active Pharmaceutical Ingredients(API): API refers to the raw materials in the production of various types of preparations, which is the active ingredient in powder,crystal and paste for medicine use through chemical synthesis,plant extract, and preparations of biotechnology institute.

3> Fragrance And Spices: Spices are an important part of fine chemicals, it is composed of natural spices, synthetic spices and single fragrance.

4> Organic Raw Material: Intermediates are also known as organic intermediates. The use of coal tar or petroleum products as raw materials to produce dyes, resins, additives, and other intermediates.

5> Chemicals Used In Paints: Paint, the traditional Chinese name is paint. So-called coating is coated on the surface of the object that be protected or be adornment, and with the continuous film coating to form strong adhesion.

6> Pharmaceutical Intermediates: The so-called pharmaceutical intermediates, refers to the production of pharmaceutical products in the process, the use of raw materials, materials, accessories and other intermediate products.

7> Agricultural Chemicals: Research and agriculture related chemical, including pesticide, plant growth regulator, fertilizer, compound fertilizer, herbicide etc.