Organic solvents have 3 major types: oxygenated solvents such as alcohols,glycol ethers,ketones,esters, and glycol ether esters, hydrocarbon solvents such as:aliphatic and aromatic hydrocarbons, halogenated solvents such as chlorinated hydrocarbons.
Oxygenated solvents are synthesized from other chemicals to form the desired solvent. Those solvents are typically of a high purity with specifications ranging from 99.0% to 99.9% purity. Specifications for these solvents typically focus on impurities, such as water and non-volatile matter. The impurities present in these solvents are normally well characterized and can be predicted from the chemistry involved in their manufacture.
Hydrocarbon solvents are complex mixtures composed of numerous compounds and are sold on the basis of customer specifications. Typical specification properties include distillation range, flash point, density, aromatic content, and color.
Halogenated solvents are solvents which contain a halogen such as chlorine, bromine or iodine. Haofei Chemical focuses on the most popular halogenated solvents, the chlorinated solvents: Dichloromethane, methylene chloride, trichloroethylene and perchloroethylene.