The product is colorless to pale yellow clear liquid.
The product is soluble in ethanol, diethyl ether, soluble in acetone, benzene, carbon tetrachloride, and practically insoluble in water.
Relative density of the product of the relative density (Appendix VI a) 1.117 ~1.121.
Refraction the refractive index (Appendix VI f) to 1.500 ~1.505.
Take the product 20G acid value, precision, place an Erlenmeyer flask, adding neutral alcohol 50ml and phenolphthalein indicator solution 0.2ml, shake, add sodium hydroxide titrant (0.1mol/L) to pink, consumes sodium hydroxide titrant (0.1mol/L) volume may not be too 0.5ml.