The types segment classifies N‑Ethylpiperazine products according to their chemical form and purity level, which determines suitability for specific end‑uses. The principal categories include the free‑base, hydrochloride salt, and nitrate salt, each further subdivided by pharmaceutical‑grade, industrial‑grade, and research‑grade specifications. The free‑base, typically 99 % pure, dominates the pharmaceutical‑grade market because of its direct incorporation into active‑ingredient synthesis. Hydrochloride salts, offered in both 98 % and 99.5 % purities, are preferred in agrochemical routes where solubility and handling safety are critical. Nitrate salts, often supplied at 95 % purity, serve niche research applications requiring controlled release properties. The distribution of these types aligns with the application share: higher‑purity pharmaceutical‑grade free‑base drives the 45 % pharmaceutical segment, while industrial‑grade salts support the 35 % agrochemical share, and research‑grade variants underpin the 20 % research chemicals segment. This taxonomy clarifies how product specifications translate into market value across application domains.