China Sulphur Black 200%

Hot Sale Sulphur Black 200%

Basic Information of Sulphur Black BR
Sulphur Dye Name: Sulphur Black BR
Brand Name: SAMSHANDE
CAS No.:1326-82-5
Strength: 200%,220%
MF: C6H4N2O5
EINECS No.:215-444-2
Appearance: Bright-black flake or grain, it is the green-black colour when it soluble in solution of sodium sulfide. Black grain powder, soluble in water. It is black with green bright when soluble in sulfuric alkali solution, and it becomes black when coming into contact with dense sulfuric and and with sulfur dioxide released. It produces precipitate after diluting.
Properties: It is insoluble in water and alcohol
Product character: Sulphur black is insoluble in water or ethanol, it appears as green-black in the solution of sodium sulfide, appears bluish when put caustic soda in the solution of sulphur black, and appears greenish precipitate with hydrochloric acid.
Sulphur black is miniature soluble in cold sulfuric acid, turns to greenish blue precipitate after it's warmer, then turns to black-blue when keeps heating. Sulphur dyes have good dye-and level dyeing.

Specifications of Sulphur Black

Sulphur Black BR SpecificationDyes nameSulphur Black BR Quality200%,220%AppearanceBlack granuleColor Same as StandardStrength200%,220%Moistureless than2.9%Content of sodium sulfide-insoluble matterless than 0.6%Free sulphur0.31%Degree of fineness
(screening hangover content by 80 um),%
less than3%

Application: Mainly used for dyeing and winding dyeing on cotton, jute, viscose, polyvinyl alcohol fibre and polyester, polyamide fibre, specially used for rolling dyeing. It is uniform and stable in colour, good permeability when dyeing without any fragiltreatment. It is also used for dyeing on leather and original visccose fibre.
Sulphur black can be classified as BR (Bluish-Reddish) and B(Bluish)by their different tones, and the tone and quality can be adjusted according to the customer's requirements.
Package:
In 25kg net bag; 20MT/20' FCL;
in 25kg iron drum; 20MT/20'FCL
Packing can do as customer's needs

Storage:
Storage & Transportation: The product must be stored in shade, dry & well_ventilated warehouse. Avoid to be contacted with oxidizing chemicals and combustible organic substance. Keep it away from direct sunlight, heat, sparks and open flames. Carefully handle the product and avoid damaging the package.
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