Direct Red 23

Product Description:  Direct Red 23Basic info C.I NODirect Red 23CAS  NO3441-14-3Other namesDirect Fast Scarlet 4BSEINECS No222-348-4Strength150%MF:C35H25N7Na2O10S2AppearanceViolet  powderH.Scode3204140000Brand nameBITEStorageCool dry placeFeaturesSoluble in water for colourful red,Website:http://www.dyestuffchemical.com, solubility of 30 g/L (80 °C), soluble in ethanol for orange, insoluble in acetone.The strong sulfuric acid was great red to product red, diluted light orange for palm.The dye solution to generate strong hydrochloric acid wine red precipitate; Add 10% sulfuric acid into a light blue; Add thick sodium hydroxide solution for red orange; Add 10% sodium carbonate (no change solution. Cellulose fiber of dyeing, dye devoured rate is very good, in the 80 ~ 100℃, affinity is the largest. Resistant to acid is very good.Copper ions in dyeing color shade darker; Iron ion in the same lightApplicationMainly used in viscose etc of cellulose fiber dyeingAlso can be used for silk, wool, paper and pulp dyeingCan be used in the manufacture color which have pigment.Packing & Delivery25kgs/ carton boxSize: 380 x 380 x 430 mm25kgs/iron drum (blue & black)Size:330 x 480 mm(crystal)Size:375 x 430 mm(powder)36 cartons or 27 drums for each Non fumigation pallets10000kgs/20ft containerFree sample of 50 grams availablePre-Shipment Sample necessarily offered.7-10 days delivery time after confirmed S/C