Vat Green 3 CAS #3271-76-9
Vat Green 3 CAS #3271-76-9 - 图片 2
Vat Green 3 CAS #3271-76-9 - 图片 3
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Vat Green 3 CAS #3271-76-9

1. Characteristics
Bright green: presents a bright and vivid green hue.
Reduction characteristics: dyeing needs to be carried out under reduction conditions, and the color is fixed by oxidation after dyeing.
Good color fastness: has high color fastness such as washing, sun fastness and friction resistance.
2. Application areas
Textile printing and dyeing: widely used in dyeing of natural fibers and synthetic fibers such as cotton, linen, silk, etc., especially suitable for dyeing of green fabrics.
Ink and coating: can be used to prepare green ink and coating to provide lasting color.
3. Precautions for use
Professional operation: the dyeing process of reduction dyes is relatively complicated, and professionals are required to follow the correct operating procedures.
Safety protection: when handling dyes, appropriate protective equipment should be worn to avoid contact with harmful substances.
Storage conditions: should be stored in a dry, cool, well-ventilated place, away from fire and oxidants to prevent dye deterioration.

Category Tag

Vat Green 3 CAS #3271-76-9

Vat Green 3 Basic information
Product Name: Vat Green 3
Synonyms: Vat Olive Green B;C.I.VATGREEN3;Vat green 3 (C.I. 69500;Olive Green B;anthra[2,1,9-mna]naphth[2,3-h]acridine-5,10,15(16H)-trione;Anthramar Olive Green B;Cibanone Olive B-01;Fabrivat Olive Green B
CAS: 3271-76-9
MF: C31H15NO3
MW: 449.46
EINECS: 221-897-7
Product Categories:
Mol File: 3271-76-9.mol
Vat Green 3 Structure
Vat Green 3 Chemical Properties
Boiling point 557.88°C (rough estimate)
density 1.2566 (rough estimate)
refractive index 1.6310 (estimate)
pKa -2.68±0.20(Predicted)
Water Solubility 0.03ng/L at 20℃
LogP 8.5 at 25℃
CAS DataBase Reference 3271-76-9(CAS DataBase Reference)
NIST Chemistry Reference c.i. Vat green 3(3271-76-9)
EPA Substance Registry System Anthra[2,1,9-mna]naphth[2,3-h]acridine-5,10,15(16H)-trione (3271-76-9)
Safety Information
MSDS Information
Vat Green 3 Usage And Synthesis
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.
Flammability and Explosibility Not classified
Synthesis Indanthren Olive Green B, Imide Green, is prepared from 3-(anthraquinonyl-(1)-amino)benzanthrone by alkali melt.
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

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