Vat Dark Blue BO UL Conc

Name	Vat Blue 20
Synonyms	C.I. 59800 VAT BLUE 20 Vat Blue 20 Violanthrone Dibenzanthrone C.I.Vat Blue 20 Pigment Blue 65 C.I. Vat Blue 20 Vat Dark Blue BO C.I. Pigment Blue 65 sandothrenedarkbluenbo Solanthrene Dark Blue B sandothrenedarkbluenmba sandothrenedarkbluenboa Solanthrene Dark Blue BA Vat Dark Blue BO UL Conc Solanthrene Dark Blue F-BA anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione
CAS	116-71-2
EINECS	204-152-0
InChI	InChI=1/C34H16O2/c35-33-25-7-3-1-5-17(25)19-9-11-21-22-12-10-20-18-6-2-4-8-26(18)34(36)28-16-14-24(30(22)32(20)28)23-13-15-27(33)31(19)29(21)23/h1-16H

Molecular Formula	C34H16O2
Molar Mass	456.49
Density	1.1055 (rough estimate)
Melting Point	338-339 °C
Boling Point	522.64°C (rough estimate)
Appearance	Blue-black to black powder
Storage Condition	Sealed in dry,Room Temperature
Refractive Index	1.4875 (estimate)
Physical and Chemical Properties	solubility: slightly soluble in tetrahydronaphthalene and xylene, red fluorescent liquid, slightly soluble in pyridine, acetone, chloroform and toluene, insoluble in ethanol; Purple-black in concentrated sulfuric acid, after dilution, it is blue-black precipitation; It is dark purple in alkaline powder solution, and the acid is dark red. hue or shade: Red light blue
Use	The pigment belongs to the condensed ketone vat dye pigment, gives red light blue tone, has excellent application fastness and heat stability, its light fastness is 7, mainly used in industrial coatings and plastic coloring.

NIST chemical information	Information provided by: webbook.nist.gov (external link)
EPA chemical information	Information provided by: ofmpub.epa.gov (external link)
use	reduced dark blue BO is mainly used for dyeing cotton fibers with good affinity, fast coloring and medium levelness. Less used for printing, more used for color matching. It can be used for dyeing silk, viscose fiber, viscose cotton and vitamin cotton, also for hot melt dyeing of polyester-cotton blended fabric and disperse dyes in the same bath, and also for preparing organic pigments. Mainly used for dyeing and printing of cotton fabrics
production method	benzoanthrone (benzanthrone) is used as raw material, and potassium hydroxide and sodium acetate are used in refined naphthalene medium for alkali fusion condensation. after recovering refined naphthalene, the finished product is refined..

Last Update：2024-04-10 22:29:15

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Product Name: DIBENZANTHRONE Visit Supplier Webpage Request for quotation
CAS: 116-71-2
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409

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Vat Dark Blue BO UL Conc

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