Vat Yellow 2 CAS# 129-09-9
Vat Yellow 2 CAS# 129-09-9 - 图片 2
Vat Yellow 2 CAS# 129-09-9 - 图片 3
Vat Yellow 2 CAS# 129-09-9 - 图片 4

Vat Yellow 2 CAS# 129-09-9

1. Characteristics
Bright yellow: has a bright yellow color.
Reduction characteristics: dyeing needs to be carried out under reducing conditions, and the color is firmly attached to the fiber after oxidation treatment.
Good color fastness: usually has high color fastness such as washing fastness, sun fastness and friction fastness.
2. Application areas
Textile printing and dyeing: widely used in dyeing natural fibers such as cotton, linen, silk and synthetic fibers, especially suitable for dyeing yellow fabrics.
Ink and coating: can be used to prepare yellow ink and coating, providing lasting color.

Category Tag

Vat Yellow 2 CAS# 129-09-9

Vat Yellow 2 Basic information
Product Name: Vat Yellow 2
Synonyms: VAT YELLOW 2;INDANTHRENE YELLOW GCN;1-d:6,5-d’)bisthiazole-6,12-dione,2,8-diphenyl-anthra(;1-d:6,5-d’]bisthiazole-6,12-dione,2,8-diphenyl-anthra[;ahcovatflavonegc;ahcovatflavonegcn;C.I.Vat Yellow;Vat Yellow 2(67300)
CAS: 129-09-9
MF: C28H14N2O2S2
MW: 474.55
EINECS: 204-931-5
Product Categories:
Mol File: 129-09-9.mol
Vat Yellow 2 Structure
Vat Yellow 2 Chemical Properties
Boiling point 727.3±70.0 °C(Predicted)
density 1.2270 (rough estimate)
refractive index 1.6360 (estimate)
storage temp. Room Temperature
solubility Sulfuric Acid (Slightly)
form Solid
pka -1.86±0.20(Predicted)
color Very Dark Yellow to Very Dark Brown
EPA Substance Registry System C.I. Vat Yellow 2 (129-09-9)
Safety Information
Hazardous Substances Data 129-09-9(Hazardous Substances Data)
MSDS Information
Vat Yellow 2 Usage And Synthesis
Preparation (a) 2, 6-Diaminoanthraquinone, 1-(Trichloromethyl)benzene and sulfur in the beta backflow; (b) will be 2, 6-diamino-1, 5-dimercapto-anthraquinone and Benzaldehyde ?and sulfur condensation;(C) 2,6-Diamino-1,5-dichloroanthraquinone and Benzaldehyde?and sulfur condensation; (d) 2,6-Dibenzamidoanthraquinone?into the amino chloride [2, 6-bis (1-chloro-methylene) anthraquinone], then use sulphur and naphthalene hydrogenated sodium sulfide solution or sulfur. Note: the product contains 1,2,7,8-heterogeneous content.
Synthesis 2,8-Diphenylthiazolo anthra- thiazole-6,12-quinone is prepared from 2,6-diaminoanthraquinone and benzaldehyde or benzotrichloride and sulfur in molten naphthalene.
Properties and Applications green light yellow. Orange powder, insoluble in water and ethanol. In alkaline insurance powder also in stock for purple; In the acidic insurance powder also in dark orange ones for; The strong sulfuric acid to yellow. Mainly used for cotton, silk sheets, towels and the monochrome printing. Can also be used for viscose, polyester/cotton,PVA/cotton blended fabric dyeing and printing, and can also be used for the paper dyeing.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 4 5 3-4 4-5 5 5 5
AATCC 5 5 4 4-5 5

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