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3-NITRO-P-CRESOL

Description

3-Nitro-p-cresol is a synthetic organic compound used in certain hair dye formulations. This molecule belongs to the nitrophenol family and is characterized by its yellow crystalline appearance. In hair coloring products, it functions as a coupling agent, reacting with oxidative dyes to produce vibrant, long-lasting color results.

The compound's chemical structure consists of a phenol ring with a methyl group and a nitro group attached. This configuration allows it to participate effectively in oxidative hair dyeing processes. When combined with other dye precursors and an oxidizing agent, 3-nitro-p-cresol helps create a range of warm brown to reddish-brown shades.

It is important to note that 3-nitro-p-cresol is subject to regulatory restrictions in many countries due to potential health concerns. The European Union has limited its use in hair dye products to a maximum concentration of 0.5%. Formulators must adhere to these regulations and conduct thorough safety assessments when incorporating this ingredient into hair coloring products.

While effective for achieving certain hair color results, alternative coupling agents are often preferred in modern formulations due to ongoing research into safer and more sustainable options for hair dye ingredients.