Product： 1) lndigo blue granular Nature: A kind of dark blue granular, insoluble in water and ethanol, soluble in hotaniline. Our product enjoys good strength, low iron content, no splashing in use and brighter color. Packing: 20kg/P.E.Drum, 8.4MT/20'FCL; 20kg/Iron Drum 7.68MT/20'FCL; 80kg / Iron Drum 6.4MT/20'FCL Using:Mainly used in dying spun cotton, cotton/denim/jeans cloth,wool or silk. Pure product can be used in food dye or to produce organic. 2) Product Name : Indigo Blue Powder Cas Number: 482-89-3 H.S.CODE: 3204.1510 Molecular formula:C16H10N2O2 Molecular Weight:262.62 Packing:25kg/P.E.Bag 14MT/20' FCL; 25kg/Iron Drum 9.6MT/20'FCL; 25kg /P.E. Drum 9MT/20' FCL Using:Mainly used in dying spun cotton, cotton cloth, wool or silk. Pure product is used in food dye or to produce organic pigment.