Yellow 5GL - Names and Identifiers
Yellow 5GL - Introduction
Yellow 5GL(Yellow 5GL) is a synthetic organic compound with the chemical name Yellow No. 1 alumina and the chemical formula C17H10N2Na2O7S2. It is a water-soluble dye that is often used as a pigment in food, pharmaceuticals and cosmetics.
Yellow 5GL has the following features:
-Appearance is yellow crystalline powder.
-Good solubility in water.
-It can produce bright yellow color and has high stability.
-It has the characteristics of absorbing light and can be used in laser and optical applications.
The main uses of the Yellow 5GL include:
-Food Dyes: commonly used to add yellow to the product, such as drinks, candy, biscuits and so on.
-Pharmaceutical dyes: used to add color to tablets, capsules, etc. to make them identifiable.
-cosmetic dyes: commonly used in lipstick, eye shadow and other makeup products.
The method of preparing Yellow 5GL can include the following steps:
1. The right amount of 1-naphthol and phthalic acid through the synthesis reaction to generate 1-naphthol dicarboxylic acid.
2. React 1-naphthol dicarboxylic acid with sodium metabisulfite to generate Yellow 5GL.
it should be noted that the use and preparation of Yellow 5GL need to follow the corresponding regulations and laws and regulations. During use, the following safety precautions should be paid attention:
-Avoid direct contact with Yellow 5GL and wear gloves and protective glasses.
-Avoid inhaling Yellow 5GL dust and wear a mask.
-Pay attention to the ventilated environment during use to reduce the risk of inhalation or exposure to Yellow 5GL.
- Yellow 5GL is a chemical dye and cannot be used for food or applied directly to the skin.
-In use and storage, please comply with the relevant laws and regulations and safety procedures.
Last Update:2024-04-09 19:05:55