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- Product Name.:Direct black 22
- CAS No: 6473-13-8
- Weight: 1083.969688
- Formula: C44H32N13Na3O11S3
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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