1-Nitropropane cas.108-03-2 is colorless liquid, having a similar odor with chloroform. The melting point of -103.99oC, the boiling point of 131.18oC, relative density 1.001 (20/4oC), refractive index of 1.4016 (closed cup flash point, 49oC, 419oC). The content of total boiling water is 63.5%, and the boiling point is 91.63oC. With air to form an explosive mixture, the explosion limit of 2.6% (volume). Can be mixed with alcohol, ether and other organic solvents, slightly soluble in water.