Direct Red 28 - Wuqiang Bite Chemical Technology Co.,ltd

Direct Red 28

PRICE: contract price
Wuqiang Bite Chemical Technology Co.,ltd
Contact Person:
hui Lee

Product Description
Product Description:  Direct Red 28Basic info C.I NODirect Red 28CAS  NO573-58-0Other namesCongo RedEINECS No209-358-4Strength100%MF:C32H22N6Na2O6S2AppearanceTan powderH.Scode3204140000Brand nameBITEStorageCool dry placeFeaturesSoluble in water for yellow light red solution, soluble in ethanol for orange, soluble in acetone.In the strong sulfuric acid as dark blue, diluted into shallow blue, blue precipitation. Dyes to acetic acid solution for blue purple, have red light blue precipitation; Add thick sodium hydroxide solution for yellow.This product acid resistance and sun fastness is poor. The acid, alkali is very sensitive.Cellulose fiber of dyeing, the dye absorption rate as well, a 80 °C affinity when the largest. This article covers the gender is good, hard to sensitive.Dyeing copper ions in colored light yellow dark; Iron ion in a yellow lightApplicationMainly used in viscose, such as cotton, wool, silk cellulose fiber dyeing and not used in printingAlso can be used for biological and pulp color..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
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