Vat Black 8 CAS #2278-50-4
Vat Black 8 CAS #2278-50-4 - 图片 2
Vat Black 8 CAS #2278-50-4 - 图片 3
Vat Black 8 CAS #2278-50-4 - 图片 4

Vat Black 8 CAS #2278-50-4

1. Appearance characteristics
Vat Black 8 usually appears as a dark powdery substance. It has a rich color and high tinting power, which can give the dyed material a deep, full black color.
2. Chemical properties
Stability: It has good chemical stability and is not easy to decompose or deteriorate under different environmental conditions. It can withstand the influence of certain temperatures, light and chemicals and maintain its color durability.
Solubility: It has a certain solubility in specific solvents, but the solubility may vary depending on the type and conditions of the solvent.
3. Application areas
Textile printing and dyeing: It is widely used in the textile industry to dye various fibers, such as cotton, linen, silk, wool, etc. It can provide textiles with a firm black dyeing effect, which is washable, wear-resistant and not easy to fade.
Plastic coloring: It can be used for the coloring of plastic products to give plastic products a uniform black appearance. It has good dispersibility and can be fully mixed with the plastic matrix to ensure color uniformity.
Ink manufacturing: In ink production, Vat Black 8 can be used as an important component of black pigments for printing various materials, such as paper, packaging materials, etc. It provides high-contrast black printing, making text and images clearer.

Category Tag

Vat Black 8 CAS #2278-50-4

Vat Black 8 Basic information
Product Name: Vat Black 8
Synonyms: 1H-benz[6,7]indazole[2,3,4-fgh]naphth[2”,3”:6′,7′]indolo[3′,2′:5,6]anthra[2,1,9-mna]acridine-2,7,10,15-tetrone;Dycosthren Grey M;Grey M;Hibeithrene Grey M;Indanthren Grey M;Mikethrene Grey M;Nihonthrene Grey M;Novatic Grey M
CAS: 2278-50-4
MF: C45H19N3O4
MW: 665.66
EINECS: 218-906-1
Product Categories: Organics
Mol File: 2278-50-4.mol
Vat Black 8 Structure
Vat Black 8 Chemical Properties
Boiling point 685.55°C (rough estimate)
density 1.2394 (rough estimate)
refractive index 1.7790 (estimate)
pka 13.18±0.20(Predicted)
EPA Substance Registry System 1H-Benz[6,7]indazolo[2,3,4-fgh]naphth[2”,3”:6′,7′]indolo[3′,2′:5,6]anthra[2,1,9-mna]acridine-2,7,10,15-tetrone (2278-50-4)
Safety Information
MSDS Information
Vat Black 8 Usage And Synthesis
Preparation 3,9-Dibromo-7H-benzo[de]anthracen-7-one, 3H-naphtho[2,3-f]indazol-3-one and 1-Aminoanthracene-9,10-dione in Potassium hydroxide under the existence of condensation, closed loop.
Safety Profile Mildly toxic by intraperitoneal and ingestion routes. An eye irritant.When heated to decomposition it emits toxic fumes of NOx.
Properties and Applications blue light grey. Black powder. Insoluble in water, Acetone, Etanol, Toluene and Chloroform, slightly soluble in 2 – Chlorophenol, Pyridine . In concentrated sulfuric acid to have yellow green: alkaline reduction leuco for blue light green; Acid reduction leuco for red brown: mainly used in the cotton fabric jig dyeing, dyeing and suspended pad dyeing, also used for Fiber/cotton, polyester-cotton blended fabric two bath set of dye dyeing. Suitable for suspension pad dyeing deep, shallow gray, and can spell dye all kinds of noise. Its main leuco dye yarn, can also be used to viscose and silk dyeing.

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

评价

目前还没有评价

成为第一个“Vat Black 8 CAS #2278-50-4” 的评价者

您的邮箱地址不会被公开。 必填项已用 * 标注

相关产品

购物车