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HYDROXYETHYL-2-NITRO-P-TOLUIDINE

Description

Hydroxyethyl-2-nitro-p-toluidine is a synthetic compound primarily used in hair dye formulations. This molecule belongs to the aromatic amine family and functions as a coupling agent in oxidative hair coloring processes. When combined with an oxidizing agent, it produces vibrant red to purple hues, making it a crucial component in many permanent hair color products.

The chemical structure of hydroxyethyl-2-nitro-p-toluidine consists of a benzene ring with a nitro group, a methyl group, and a hydroxyethyl substituent. This unique arrangement contributes to its color-forming properties and stability in hair dye formulations. The compound is typically used in concentrations ranging from 0.1% to 3%, depending on the desired shade intensity and formulation requirements.

While effective in hair coloring, hydroxyethyl-2-nitro-p-toluidine has been subject to safety evaluations due to its potential for skin sensitization. Manufacturers must adhere to regulatory guidelines regarding its use and concentration in hair dye products. It is essential for formulators to consider alternative options for individuals with known sensitivities to aromatic amines or a history of allergic reactions to hair dyes containing this ingredient.