Black 7984

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Black 7984 is a synthetic azo dye commonly used in various industrial applications. It is known for its deep black color and is utilized in the textile, leather, and paper industries. The dye is also referred to by its chemical name, C.I. Acid Black 1.

Chemical Properties

Black 7984 belongs to the class of azo compounds, which are characterized by the presence of one or more azo groups (-N=N-) within their molecular structure. These compounds are known for their vivid colors and are widely used in the production of dyes and pigments.

Applications

Textile Industry

In the textile industry, Black 7984 is used to dye fabrics such as cotton, wool, and silk. The dye is valued for its ability to produce a consistent and long-lasting black color, which is resistant to fading from light and washing.

Leather Industry

The leather industry employs Black 7984 to dye various types of leather products, including shoes, bags, and jackets. The dye penetrates the leather fibers, providing a uniform and durable black color.

Paper Industry

In the paper industry, Black 7984 is used to color paper products, including stationery, packaging materials, and decorative papers. The dye ensures a deep black hue that enhances the visual appeal of the paper products.

Health and Safety

The use of Black 7984, like other azo dyes, raises concerns regarding its potential health effects. Some azo dyes have been found to release aromatic amines, which are known to be carcinogenic. Therefore, the handling and disposal of Black 7984 require adherence to safety guidelines to minimize exposure and environmental impact.

Regulations

Various regulatory bodies, including the European Union and the United States Environmental Protection Agency, have established guidelines for the use and disposal of azo dyes like Black 7984. These regulations aim to protect human health and the environment from the potential hazards associated with these chemicals.

See Also

• Azo dye
• Textile dyeing
• Leather dyeing
• Paper dyeing
• Carcinogenicity of azo dyes