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Model No.: Dynathrene Blue BO
Packaging: 25Kgs/Carton
Dynathrene Dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber.
Product Name: Vat Blue 20
Product Description:
Synonyms:C.I. 59800; C.I. Pigment Blue 65; C.I. Vat Blue 20; Violanthrone; anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione; C.I.Vat Blue 20; Vat Dark Blue BO; Pigment Blue 65; Dibenzanthrone
Molecular Formula:C34H16O2
CAS NO.116-71-2
EINECS 204-152-0
Molecular Structure :
Dynathrene | C.I. Vat | CAS No. | Characteristics | |
---|---|---|---|---|
Blue BO | Blue 20 | 116-71-2 | Reddish Blue |
Properties and Applications:
dark blue purple red to purplish blue. Blue black powder. Etanol and insoluble in water, soluble in 1, 2, 3, 4 – Tetrahydronaphthalene and Xylene in red solution (with red fluorescence), slightly soluble in Acetone, Chloroform, 2 – Chlorophenol, Pyridine and Toluene. Alkaline reduction leuco for dark purple; Acid reduction leuco for wine. In concentrated sulfuric acid for purple black, dilution after purple black precipitation. Used for cotton fiber dyeing, poor levelness. Widely used in dark blue fabric and polyester/cotton khaki dyeing. The leuco used for hosiery dyeing, in yarn-dyed mainly applied to dyeing yarn. Used for cotton fabric direct printing. Can dye viscose, silk and d/cotton goods. Can also be processed into Organic Pigment.
Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
Fading | Stain | ||||||
ISO | 1 | 4 | 6-7 | 4-5 | 4 | ||
AATCC | 1 | 4-5 | 6-7 | 4 | 4 | 4-5 | 5 |
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