Min. Order Reference FOB Price
18 Tons US$850.00-1,500.00 / Ton
Product Description
Direct Dyes Direct Black VSF 22 C.1. 35435 CAS NO. 6473-13-8 1600 &2200 Product Name: Direct black 22 , Direct black VSF, Direct black GN (C.I.No. 35435) Molecular formula: C44H32N13Na3O11S3 CAS No.: 6473-13-8 Application: Direct black 22 is widely used in dyeing and printing ...