Vat Red 45 - Names and Identifiers
Vat Red 45 - Physico-chemical Properties
Vat Red 45 - Upstream Downstream Industry
Vat Red 45 - Introduction
sodium 2-[3-(4-sulfonato-o-tolyliminio)-] benzoate is a synthetic dye with the chemical name BIS [3-(4-sulfonic acid-o-tolyliminio)-6-o-Toluino-3h-Flavon-9-yl] sodium benzoate. It has the following properties:
1. Appearance: sodium 2-[3-(4-sulfonato-o-tolyliminio)-] benzoate appears as blue or purplish red crystalline powder.
2. Solubility: sodium 2-[3-(4-sulfonato-o-tolyliminio)-insoluble] benzoate is soluble in water and methanol, and in organic solvents such as ether.
3. pH range: usually work under acidic conditions, pH range is 1-6.
4. Stability: sodium 2-[3-(4-sulfonato-o-tolyliminio)-] benzoate is stable in acidic environment, but it will decompose under strong alkaline conditions.
sodium 2-[3-(4-sulfonato-o-tolyliminio)-benzoate is commonly used in the following aspects:
1. Dye: It can be used for dyeing silk, wool, cotton fabric, paper, etc., making it bright purple.
2. Display/indicator: can be used as an acid-base indicator to judge the acidity and alkalinity of the substance according to the change of color.
3. Biomedical: sodium 2-[3-(4-sulfonato-o-tolyliminio)-] benzoate also has fluorescent properties and can be used in biomedical research, such as cell and tissue staining.
The preparation method of sodium 2-[3-(4-sulfonato-o-tolyliminio)-fluorobenzoate] is generally the reaction of benzoic acid and 2,7-dichlorofluorescein (2,7-dichlorofluorescein) to generate an intermediate, it is then reacted with dimethylamine and 4-sulfonic acid benzoyl chloride to form sodium 2-[3-(4-sulfonato-o-tolyliminio)-phenyl] benzoate.
About safety information, sodium 2-[3-(4-sulfonato-o-tolyliminio)-] benzoate is a chemical dye. Please pay attention to the following matters when using it:
1. Avoid contact with skin and eyes: use should wear appropriate protective gloves and glasses, avoid dye contact with skin and eyes.
2. Avoid inhalation: should be in a well ventilated place to operate, avoid inhalation of dye powder.
3. Pay attention to storage conditions: sodium 2-[3-(4-sulfonato-o-tolyliminio)-] benzoate should be kept away from fire and oxidant, and stored in a dry and cool place.
4. Pay attention to safety during Operation: pay attention to standardized operation and follow chemical safety operation procedures during operation.
When using and sodium 2-[3-(4-sulfonato-o-toliminio)-toliminio] benzoate, please refer to the safety data form of relevant chemical dyes and materials, to ensure safe operation.
Last Update：2024-04-10 22:43:14