4,5-Diamino-1-(2-hydroxyethyl)pyrazole sulfate is a heterocyclic diamine intermediate used in permanent oxidative hair dye systems, contributing to the development of violet to blue-black color shades. Its pyrazole ring structure provides unique chromophore properties in oxidative dye coupling reactions. SUNCHEM supports international buyers with 4,5-Diamino-1-(2-hydroxyethyl) Pyrazole Sulfate sourcing from qualified Chinese producers, with quality documentation, export coordination, and logistics support.

