Shijiazhuang Yanhui Dye Co., Ltd.

Indigo Blue Product name Indigo/Vat Blue 1 C.I. No. 73000 CAS No. 482-89-3 EINECS No. 207-586-9 Molecular Formula C16H10N2O2 Appearance Blue granules OR powder Brand YANHUI Payment TT, LC Shipment Time Within 20 days after the order confirmation. Usage Mainly used for dyeing cotton yarn, cotton, wool or silk, also Used as food colorants