3,5-Dimethylpyrazole

White crystal powder

Common reagent for the preparation of pyrazolato ligated complexes.1,2 Also used to prepare N-1-substituted derivatives having antibacterial activity.3

3,5-Dimethylpyrazole his a catalyst in the sulfonation of acetic anhydride to sulfoacetic acid and methanedisulfonic acid. 3,5-Dimethylpyrazole has been used in the synthesis of bipyrazolic tripodal derivatives with in vitro antitumor, antifungal and antibacterial activities.

3,5-Dimethylpyrazole is used as intermediate for the manufacture of organic dyestuffs and photochemicals. Product Data Sheet

Journal of Heterocyclic Chemistry, 19, p. 373, 1982 DOI: 10.1002/jhet.5570190231
Organic Syntheses, Coll. Vol. 4, p. 351, 1963

Crystallise it from cyclohexane or water. [Barszez et al. J Chem Soc, Dalton Trans 2025 1986, Beilstein 23/5 V 110.]