Simbase Malachite Green Zn free
Magentagreencrystals
CAS: 14426-28-9
Molecular Formula: 2C23H25N2.HC2O4.2C2H2O4
Simbase Malachite Green Zn free - Names and Identifiers
Simbase Malachite Green Zn free - Physico-chemical Properties
| Molecular Formula | 2C23H25N2.HC2O4.2C2H2O4 |
| Molar Mass | 329.46 |
| Storage Condition | 2-8℃ |
| Physical and Chemical Properties | Green band flash crystal. Soluble in water, easily soluble in ethanol, are blue-green. The dye was yellow in concentrated sulfuric acid and turned dark orange after dilution; Orange in concentrated nitric acid and orange-brown after dilution; The addition of sodium hydroxide to the aqueous solution produced a white precipitate with green light. Staining was performed at high temperature (120 ° C.), and the color light was unchanged. Dyeing on acrylic fibers the fastness to sunlight was 4-5. |
Simbase Malachite Green Zn free - Reference Information
| introduction | alkaline green is green with flashing crystals. Easily soluble in water, easily soluble in ethanol, both are blue-green. The dye is yellow in concentrated sulfuric acid and turns dark orange after dilution; orange in concentrated nitric acid and orange brown after dilution; sodium hydroxide is added to the aqueous solution to produce a green white precipitate. Dyeing at high temperature (120 ℃), the color light does not change. Dyeing on acrylic fiber with sun-resistant fastness grade 4-5. |
| use | alkaline green is used to dye acrylic fiber, silk, wool, diacetate fiber and cotton fiber. dyed acrylic fiber and diacetate fiber have good light fastness, other fastness (soaping, perspiration, etc.) is also good, and dyed wool, silk, cotton fiber fastness is slightly poor. It can also dye leather, paper, hemp, bamboo and wood, and make lakes. Spinning and dyeing acrylic wool with basic fuchsin, you can get black color, and the firmness is improved. It is also a standard dye used abroad to determine the saturation value of acrylic fibers and the saturation factor of cationic dyes. |
| production method | taking N,N-dimethylaniline as the main raw material, first condensation of N,N-dimethylaniline and benzaldehyde in the presence of sulfuric acid, then oxidation by PbO2, removal of lead by Na2SO4, neutralization with Na2CO3 to obtain dye alcohol color group, and finally crystallization with oxalic acid, filtration and drying to obtain the finished product.. |
Last Update：2024-04-09 21:32:04
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