Hot Sale Water Soluble Sulphur Black 1 Used in Jean/ Leather 1.Simple IntroductionSulphur 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
It's 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-uptake and level dyeing.
2.Main FeaturesA, Strength 200%(full).
B, Standard greenish and reddish tone
C, Can be dissolved directly in water without adding any sodium sulfide.
D, Most environmental protective dye used in the dyeing of paper.
3.PropertiesSlightly insoluble in water, soluble in Sodium Sulfide with a green-black color.
4.Product DetailsAS No. | 1326-82-5 |
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Other Names | SULPHUR BLACK BR 200%,Sulphur Black, Sulphur Black 1,501/502 S.B. |
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MF | C6H4N2O5 |
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EINECS No. | 215-44-2 |
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Type | Sulphur Dye |
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Usage | Textile Dyestuffs |
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Brand Name | SAN TECHCHEM |
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APPEARANCE | BLACK FLASH POWDER |
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STRENGTH | 150%-240% |
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5.SpecificationsSulphur Black BR Specification |
Dyes name | Sulphur Black BR |
Quality | 200%,220% |
Appearance | Black granule |
Color | Same as Standard |
Strength | 200%,220% |
Moisture | less than2.9% |
Content of sodium sulfide-insoluble matter | less than 0.6% |
Free sulphur | 0.31% |
Degree of fineness (screening hangover content by 80 um),% | less than3% |
6.Packing and Loading(1) Packing: 25kg/bag , or 25kg/Drum .
(2) Loading quantity :800bags/20'container , 20MT/20'container .
(3) Loading quantity :640drums/20'container , 16MT/20'container
7.StorageThe product must be stored in shade,dry & well-ventilated warehouse.Avoid to be contacted with oxidizing chemicals and combustible organic substances.Keep it away from direct sunlight,heat,sparks and open flames.Carefully handle the product and avoid damaging the package.