Sulphur Black BR 200%

【Application 】

Sulphur black BR is a synthetic organic dye, also known as ethyl sulfide pyrimidine. It is commonly used in dyes, pigments and inks. Its main uses are as follows:

1. Textile dyes: Sulphur Black BR 200% can be used to dye textiles, such as cotton, wool, silk and so on. It is able to bind to fiber molecules to form stable chemical bonds that allow the dye to adhere firmly to the fiber, providing color in a durable manner.

2. Pigment: Sulphur black BR can also be used as a pigment for pigment manufacturing and art painting. It has good light resistance and weather resistance, and vulcanized black 1 can be widely used in the pigment industry to keep the color colorless for a long time.

3. Ink: Sulphur black BR can be used to manufacture inks, such as ink and printing ink. Its deep color can provide good printing results, while having water, wear and chemical resistance.

4. Paper dyeing

【Packing of Sulphur Black BR】

Sulphur Black BR is in 25kg P.W.bags/carton drum/iron drum or as per buyer's request. 

【What's Sulphur Black BR】

Sulphur black BR is black flake or grain. Insoluble in water and ethanol. Soluble in sodium sulfide solution is dark green; Greenish-black precipitate in hydrochloric acid; Blue in sodium hydroxide solution; It is slightly dissolved in concentrated sulfuric acid when cooled, heated to dark green light blue precipitation, continued heating to change to black blue, and produced green light blue precipitation after dilution. The dye was yellowish olive color in the alkaline insurance powder solution, and the original color could be restored after oxidation. Completely discolored in sodium hypochlorite solution

【What's Characteristics of Sulphur Black BR】

Sulphur black br, also known as iron black, is an inorganic pigment. It has the following properties:

1. Color: Sulphur black br presents a deep black or dark blue color.

2. Stability: Sulphur black br has high light resistance and weather resistance, and is not easily affected by light and oxygen.

3. Density and solubility:Sulphur black br has a high density and is insoluble in water and general organic solvents.

4. Conductivity: Sulphur black br has low conductivity and is not easy to conduct electricity.

5. Chemical stability: Sulphur black br has a certain stability for acids and bases, and is not easy to be dissolved by common acids and bases.

Specifications