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- Product Name.:Direct black 19
- CAS No: 6428-31-5
- Weight: 839.77
- Formula: C34H27N13Na2O7S2
- Density: 1.727g/cm3
Hangzhou weiyi Chemical Co., Ltd ,located in Hangzhou, Zhejiang , the most dynamic area of Yangtze River Delta , China, is a professional company with dyestuff and pigments . We are committed to development, production and sales of high-tech, environmentally friendly products with high quality. Our products include disperse, reactive, acid, cationic dyestuffs and all kinds of pigments and chemical intermediates.
We have established a long-term strategic partnership depending on business honest...
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