Solubilized Vat Dye Sulphur Black as Textiles Colorants, Demin Dyes

• CAS No.: 1326-82-5
• Formula: C6h4n2o5
• EINECS: 215-444-2
• Environmental Protection: Yes
• Color: Black
• Kind: Sulphur Black
• Model NO.: Solubilized vat dye Sulphur Black
• Appearance: Granulars
• Application: Textile Printing Auxiliary
• Mf: C6h4n2o5
• Einecs No.: 215-444-2
• H.S Code: 3204191100
• Other Name: 2, 4-Dinitro-Phenol Sulfurised
• Name: Sulphur Black
• Strength: 200%, 220%
• Moisture: 6% Max
• Watter Insoluble: 0.5% Max
• Insoluble%: ≤0.3
• Degree of Fineness: Less Than3%
• Model: 100% 200%/220%/240%
• Loading Qty: 20mt/20FCL
• Resistance Sunlight: 6
• Production Method: Starbucks Roast
• Solubility: Solubility
• Transport Package: 25kg/Bag
• Specification: 200%, 220%
• Trademark: Kelai
• Origin: China
• HS Code: 2817001000
• Production Capacity: 20000 Ton/Year

Product Description

Solubilized vat dye Sulphur Black as textiles colorants, demin dyes

1.Description
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.
Appearance: Flashing black flakes or granules
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
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 features
A, 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.Specification:

Sulphur 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%

3.Product Application:
Sulphur black dye are widely used for dyeing and winding dyeing on cotton, jute, viscose, polyvinyl alcohol fibre and polyester, polyamide fibre, specially used for rolling dyeing.


4.Sulphur Black 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 .



5.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.