Acid Yellow 194 - Names and Identifiers
Acid Yellow 194 - Introduction
Acid Yellow 194, also known as Acid Yellow NG, is an organic synthetic dye. The following is an introduction to the nature, use, formulation and safety information of Acid Yellow 194:
Nature:
Acid Yellow 194 is a yellow powder that is soluble in water and produces a bright yellow solution. It exhibits good stability under acidic conditions, but is easily discolored under alkaline conditions. It can also be used as a pH indicator.
Use:
1. Acid Yellow 194 can be widely used in the textile industry for dyeing textiles such as wool, silk, nylon and linen.
2. Acid Yellow 194 can also be used as a colorant in the preparation of filter paper, papermaking and adhesives.
3. It can also be used for dyeing paper, ink, candles, detergents and leather industries.
Preparation Method:
The preparation of Acid Yellow 194 is usually based on the reaction of a diamino aromatic compound and the corresponding chromogenic group. Specific methods may involve different chemical reactions, such as nitrosylation, azo coupling, etc.
Safety Information:
The Acid Yellow 194 is considered relatively safe under normal conditions of use. But still need to follow the following considerations:
1. Avoid direct contact with skin and eyes. If contact occurs, rinse immediately with plenty of water.
2. When using, please follow the correct operating procedures to ensure good ventilation conditions.
3. Seek immediate medical help if inhaled or swallowed, and show your doctor the packaging or product label.
4. Acid Yellow 194 is a combustible substance, avoid contact with fire.
It should be noted that the above information is general. For specific use and preparation methods, it is also necessary to refer to the relevant chemical literature and product descriptions.
Last Update：2024-04-09 15:17:58