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Direct Black 38

Create: 10/08/2016
Expired Date:10/08/2018
Category: Ore&Mineral&Mining
Message:Product Description:  Direct Black 38Basic infoC.I NODirect Black 38CAS  NO1937-37-7Other namesDirect Black EXEINECS No217-710-3Strength100%MF:C34H25N9Na2O7S2AppearanceBrownish Black PowderH.Scode3204140000Brand nameBITEStorageCool dry placeFeaturesSoluble in water for green light black, solubility 40 g/l (85 ℃), and adequate soluble in alcohol for green light blue-black, right amount soluble in soluble fiber element, insoluble in other organic solvents.The strong sulfuric acid is a deep red in blue, diluted Purple dark reddish brown for to red light black precipitation; In nitric acid solution for yellow brown (not completely); In strong hydrochloric acid for dark red light black solution (don’t). The dye solution to join strong hydrochloric acid for Purple dark reddish brown, precipitation; Concentrated sodium hydroxide solution is generated gray light blue precipitaten.Cellulose fiber of dyeing, the dye absorption rate as well, in 80 ℃ temperature when the biggest affinity. Can dischargeApplicationUsed for cotton, viscose, silk, polyamide fiber and its blending fabric, leather, wood, biological and plastic colorAlso used as the raw material of black ink.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 url:
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