Vat Green 1 CAS# 128-58-5

1. Characteristics
Dark green color: has a rich and deep green tone.
Reduction characteristics: needs to be dyed under reduction conditions, and firmly attached to the fiber after oxidation.
High color fastness: usually has good color fastness such as washing, sun fastness and friction resistance.
2. Application areas
Textile printing and dyeing: mainly used for dyeing natural and synthetic fibers, bringing a unique green effect to the fabric.
Plastic coloring: used as a colorant in some specific plastic products.
3. Precautions for use
Professional operation: Due to the complex dyeing process of reduction dyes, professional technology and equipment are required for operation.
Safety protection: When handling dyes, appropriate protective equipment such as gloves, masks, etc. should be worn to avoid contact with harmful substances.
Storage requirements: It should be stored in a dry, cool, well-ventilated place, away from fire and oxidants to prevent the dye from deteriorating.

Vat Green 1 CAS# 128-58-5

Vat Green 1 Basic information
Product Name: Vat Green 1
Synonyms: C.I.Vatgreen1;calcoloidjadegreenn;calcoloidjadegreennc;calcoloidjadegreennp;CaledonGreenXBN,XBNQF;caledonjadegreen;caledonjadegreenxbn;caledonjadegreenxn
CAS: 128-58-5
MF: C36H20O4
MW: 516.54
EINECS: 204-896-6
Product Categories: Organics
Mol File: 128-58-5.mol
Vat Green 1 Structure
Vat Green 1 Chemical Properties
Boiling 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)
Safety Information
Hazardous Substances Data 128-58-5(Hazardous Substances Data)
MSDS Information
Vat Green 1 Usage And Synthesis
Chemical Properties solid
Uses 16,17-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.
Flammability and Explosibility Not classified
Synthesis 16,17-Dimethoxyviolanthrone , Indanthren Brilliant Green FFB, Caledon Jade Green,is prepared from 4,4′- bibenzanthronyl by ring closure and oxidation followed by reduction and ether formation , ,
Properties and Applications brilliant 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.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 1 4 7 4-5 4-5 4-5 4-5
AATCC 4-5 4-5 6-7 4 4-5

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