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Vat Dye Vat Blue1 Indigo Blue 94% for Denim Dyeing1
Pigment DyeIndigo BlueIndigo Blue 94%
Zhengzhou Kelai Chemical Co., Ltd.
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Product Description Product Description Powder Or Granules Indigo Blue for Dyeing1.Indigo Blue Powder or Granular 94%1)We are the biggest manufacturer of disperse dyes,the second biggest manufacturer of reeactive dyes and sodium hydrosulfite, and specializing in manufacture of indigo blue,sulphur black, vat dyes, basic dyes, direct dyes and OBA2.Indigo BLue (Vat Blue dyes)Molecular Formula: C16H10N2O2Colour Index: C.I. Vat Blue 1Cas No. 482-89-3Composion: Phenylethane acid potassium salt reacts to amino sodium through alkali fusion, and then oxidized.Appearance: Dark blue even Granular and Powder Strength:94%Shade: To the similar standard of the factoryMoisture%:0.45 MaxParticle size(-60 mesh)%: 95Fe3:200ppm Max3.Properties of indigo:It is insoluble in water and alcohol.It is soluble in hot Aniline. Specification4.Specification of Indigo blue 94%Products nameIndigo(C.I Vat Blue 1#)molecular formulaC16H10N2O2molecular weight262test conditionHG/T 2750-1996appearancedark-blue uniform powder or granule(1)original powdercontent%≥94.0particbe size(60mesh)%≥96.0moisture%≤1.0Fe3+<200PPM(2) pelletingcontent%≥94.0moisture%≤1.0Fe3+<200PPM(3)Promotercontent%≥93.0moisture%≤0.8Fe3+<200PPM Packaging5.Package25KG Plastic-Woven Bag with double polyester liner Storage6.Storage & TransportationThe product must be stored in shade, dry & well-ventilated warehouse. Avoid to be contacted with oxidizing chemicals and combustible organic substances. Keep it away from direct sunlight, heat, sparks and open flames. Carefully handle the product and avoid damaging the package.
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