Dipropylene Glycol
Specific Gravity @ 20/20 C: 1.020-1.025 Boiling Range (C) Initial Boiling Point, min: 228
Color, APHA, max: 10
Applications: The solvent is completely miscible with water and many organic compounds.
Tripropylene Glycol
Specific Gravity @ 20/20 C: 1.01777-1.0277 Boiling Range (C) Initial Boiling Point, min: 263
Color, APHA, max: 35
Applications: Used for textile soaps, lubricants, and cutting oils. It is also used as a chemical intermediate in urethanes and as a solvent in coatings and inks.