Chemical properties:
Dipropylene glycol is a colorless, slightly viscous liquid; boiling point 233℃; relative density 1.0252 (20℃); refractive index 1.439 (25℃); viscosity 107mPa.s (20℃); molecular weight 134.17; flash point 1Chemicalbook37℃. It is soluble in water and toluene, and can also undergo esterification, etherification, acetalization, halogenation and other reactions.
Uses:
Dipropylene glycol is mainly used as a solvent for cellulose acetate, cellulose nitrate, shellac varnish, and castor oil; it can also be used as a solvent for cellulose nitrate and an intermediate for organic synthesis.