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Vat Green 1 Dyes

Product Name:Vat Green 1 Dyes;CAS:128-58-5;MF:C36H20O4;MW:516.54;EINECS:204-896-6;Product Categories:Organics;Mol File:128-58-5.mol
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Product Introduction

Vat Green 1 Dyes information as below :

Product Name:Vat Green 1CAS:128-58-5MF:C36H20O4MW:516.54EINECS:204-896-6Product Categories:OrganicsMol File:128-58-5.mol


Vat Green 1 Chemical PropertiesBoiling point: 521.39°C (rough estimate)    density: 1.1534 (rough estimate)    refractive index: 1.4760 (estimate)    Stability: Stable. Incompatible with strong oxidizing agents.    CAS DataBase Reference: 128-58-5(CAS DataBase Reference)    EPA Substance Registry System: Violanthrone, 16,17-dimethoxy- (128-58-5)    


Vat Green 1 Usage And SynthesisUses16,17-Dimethoxyanthra[9,1,2-cde]-benzo[rst]pentaphene-5,10-dione is used in producing colored fibrous materials.Preparation(a) In nitrobenzene lieutenant Dinaphtho[1,2,3-cd:3′,2′,1′-lm]perylene-5,10-dione oxidation products were methylated; (b) will be 2-Methoxy-7H-benzo[de]anthracen-7-one?with Potassium hydroxide to alkali fusion; (C) will Benzanthrone in sulfuric acid with manganese dioxide oxidation, then use Potassium hydroxide Etanol solution condensation, then methylation; (d) will be 16,17-Dihydroxyviolanthrone methylation.Properties and Applicationsbrilliant green. Variegated dark green powder. Insoluble in water, Etanol, Chloroform and Toluene, soluble in hot 1, 2, 3, 4 – Tetrahydronaphthalene, slightly soluble in Acetone, 2 – Chlorophenol, Nitrobenzene and heat Pyridine . Alkaline reduction leuco for blue; Acid reduction leuco for brilliant red. In concentrated sulfuric acid to red light purple, green precipitation after dilution. Main use + cotton fiber dyeing and printing, also can be used for polyester/cotton blended fabric dyeing, the leuco is mainly used for cotton knits dyeing, but also can be used for plastic, soap and paper coloring.
StandardIroning FastnessChlorine bleachLight FastnessMercerizedOxygen bleachSoaping
FadingStain
ISO1474-54-54-54-5
AATCC4-54-56-744-5



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FAQ:

1.Are you traders or factories?

We are factory.


2.Do you provide samples for free?

Yes, samples are free.And we are providing 20 grams of each sample.


3.How about the term of payment?

T/T, L/C, Paypal and WestUnion etc.


4.What is the annual output of your factory?

Generally, our annual production can reach 35,000 tons a year just by disperse dyes.


5.What certificates do you have?

OEKOTEX, BLUESIGN, ZDHC; MSDS, TDS identification


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