Shijiazhuang Yanhui Dye Co., Ltd.
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- Yanhui - Model 522, BR;521 BN - Black ...
Yanhui - Model 522, BR;521 BN -Black Sulphur Dyes
Mainly used dying for dying cotton jeans denim and so on. Soluble in sodium sulphide solution,slightly soluble on water.
- Product Name : Sulphur Black BR
- Other Names : Sulphur Black 1
- Appearance : Black Crystals
- Cas No : 1326-82-5
- Molecular Formula : C6H4N2O5
- Strength : 100%-240%