Acid Black 24 is a synthetic dye that belongs to the azo dye class. It is also known by other names such as C.I. 20470, Direct Black 24, and Black BH. Here is some information about Acid Black 24:

1. Color and Properties: Acid Black 24 is a dark black color dye with good solubility in water. It is most commonly available in powder or granular form.

2. Applications: Acid Black 24 is primarily used as a dye in the textile industry for dyeing natural fibers such as cotton, silk, and wool. It is suitable for dyeing a wide range of textiles, including yarn, fabrics, and garments, and is known for its good color fastness properties.

3. Other Uses: Acid Black 24 may also find application in other industries, including paper, leather, and ink manufacturing. It can be used to color paper or provide shades to leather products. In the ink industry, it may be used as a colorant for the production of printing inks.

4. Safety Considerations: When using Acid Black 24, it is important to follow safety precautions to ensure proper handling and minimize any potential risks. As with any chemical substance, it is advisable to consult the Safety Data Sheet (SDS) provided by the manufacturer or supplier for detailed information on safe usage, storage, and handling procedures.

5. Regulatory Status: Acid Black 24, like other dyes, may be subject to regulations and restrictions in various countries. These regulations are in place to ensure that its use does not pose significant risks to human health or the environment. Compliance with local regulations and guidelines is important when using Acid Black 24.