Peppermint Oil is soluble in 70% alchohol. Mentha & Allied Products Ltd. Is an ISO 9001-2008 company that offers Peppermint Oil. Mentha & Allied Products Ltd. Also supplies a wide range of Essential Oils, Pine Chemicals, and Flavour and Fragrances. Peppermint Oil comes with 0.870 to 0.890 specific gravity. The refractive index ranges from 1.462 to 1.471. Its optical rotation is varies from -30° to -10°. It comes under the product name of Mentha Piperita Terpenes.