Sulphur Black BR

The sulphur black BR produced by Guangdong Zhiyun Tiancheng is used for the dyeing of cotton and wool/cotton blended fabrics.

With advantage of high dyeing strength and uniform dyeing, sulphur black BR is also used for the dyeing of hemp and viscose fibers, such as cotton denim.

Sulphur black dyes has appearance of shinning black crystals and insoluble in water and ethanol.

It is dark green when dissolved in sodium sulfide solution; It is green and black precipitated in hydrochloric acid; Blue in sodium hydroxide solution; Slightly dissolve in concentrated sulfuric acid when it is cooled.

Property：Insoluble in water

Storage：The products must be stored in a cool, dry and well-ventilated warehouse. 

Avoid contact with oxidizing chemicals and combustible organic substances. 

Keep away from sunlight, heat, sparks and open flames. Handle the product carefully to avoid damaging the package.

Sulphur Black BR Technical Data