![]() ![]() A complete list of the individual components of Stoddard solvent is not available (Air Force 1989b) The mixture consists of three major groups of components: linear and branched alkanes, also known as paraffins (30-50% of the total mixture) cycloalkanes, also called cycloparaffins or naphthenes (not to be confused with naphthalenes which are bicyclic aromatics)(30-40%), and aromatic hydrocarbons (l0-20%). The hydrocarbon chain length ranges from C7 to C12 although a form of Stoddard solvent called 140 flash contains C5 and C6 hydrocarbons as well. It is a petroleum distillate with a boiling range of 154-202☌ and a flashpoint of 38-60☌. Stoddard solvent is a mixture of numerous hydrocarbons derived by refining crude oil. stoddard solvent is a mineral spirit but “mineral spirits” is not stoddard solvent. It is rapidly absorbed by the body, stored in fat and crosses the blood-brain barrier. The category of solvents was eliminated due to health concerns. It was also used as “safe dry cleaning fluid”. Varsol 1 and Texsolve S were trade names for stoddard solvent. ![]()
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