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Cost-effective customized wholesale Vat Green 3 3271-76-9
- Molecular Formula: C31H15NO3
- Molecular Weight: 449.465
- Vapor Pressure: 9.27E-24mmHg at 25°C
- Refractive Index: 1.806
- Boiling Point: 772 °C at 760 mmHg
- PKA: -2.68±0.20(Predicted)
- Flash Point: 261.3 °C
- PSA： 64.10000
- Density: 1.48 g/cm3
- LogP: 1.85540
Vat Green 3(Cas 3271-76-9) Usage
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Preparation |
in Sodium carbonate and Cupric oxide under the existence of, in the boiling of naphthalene, 3-Bromo-6aH-benzo[de]anthracen-7(8H)-one and 1-Aminoanthracene-9,10-dione condensation,Then isobutanol cyclization with potassium hydroxide. |
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Flammability and Explosibility |
Notclassified |
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Standard |
Ironing Fastness |
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Fading |
Stain |
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ISO |
4-5 |
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AATCC |
5 |
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Properties and Applications |
deep green. Dark gray green powder. Etanol and insoluble in water, soluble in Pyridine . In concentrated sulfuric acid for brilliant yellow green, diluted into olive green. Alkaline reduction leuco as dark blue; Acid reduction leuco for dark brown.?Mainly used for dyeing and printing of cotton fiber, can also be used vinylon and cotton blend dyeing, color yield on the PVA slightly deeper, and direct printing. Its leuco or yarn can be dyed cotton knit. Can be dyed with disperse dyes in one bath polyester / cotton blended fabric, polyester component Put a slight color. Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping Fading Stain ISO 4-5 4-5 8 4-5 4-5 4 4-5 AATCC 5 4-5 8 4-5 |
InChI:InChI=1/C31H15NO3/c33-29-19-6-2-1-5-15(19)16-13-14-24-26-17(9-11-22(29)25(16)26)18-10-12-23-27(28(18)32-24)31(35)21-8-4-3-7-20(21)30(23)34/h1-14,32H
3271-76-9 Relevant articles
A reduction olivaceoviridis B dye preparation method
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Paragraph 0024-0037, (2017/03/24)
The invention relates to a preparation m...
3271-76-9 Process route
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81-96-9
3-bromobenzanthrone
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82-45-1
1-amino-9,10-anthracenedione
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3271-76-9
Vat Dark Green Zh
| Conditions | Yield |
|---|---|
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3-bromobenzanthrone; 1-amino-9,10-anthracenedione;
With
sodium carbonate; copper(II) oxide;
In
nitrobenzene;
at 210 ℃;
for 2h;
Industrial scale;
With
potassium hydroxide; sodium hydroxide;
In
water; 2,2'-[1,2-ethanediylbis(oxy)]bisethanol;
at 150 ℃;
for 4h;
Reagent/catalyst;
Temperature;
Catalytic behavior;
Industrial scale;
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![1-[(7-oxo-7H-benz[de]anthracene-3-yl)amino]anthraquinone](/upload/2026/5/d127553ef3644210b564c82ae9ecdc87_f13ac4f1-0322-469f-bbef-08555afd2622.png)
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81-94-7
1-[(7-oxo-7H-benz[de]anthracene-3-yl)amino]anthraquinone
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3271-76-9
Vat Dark Green Zh
| Conditions | Yield |
|---|---|
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With
potassium hydroxide;
at 240 - 245 ℃;
durch Schmelzen und Kochen des Reaktionsprodukts mit Wasser und Behandeln der Loesung mit Luft;
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With
potassium hydroxide;
Kochen des Reaktionsprodukts mit Wasser und Behandeln der Loesung mit Luft;
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3271-76-9 Upstream products
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81-94-7
1-[(7-oxo-7H-benz[de]anthracene-3-yl)amino]anthraquinone
-
81-96-9
3-bromobenzanthrone
-
82-45-1
1-amino-9,10-anthracenedione
