Alias: Polypropylene glycol monobutyl ether; PPG-2 butyl ether; PPG-4 butyl ether; PPG-5
English name: Poly [oxy (methyl-1,2-ethanediyl)], 1-butyl-w-hydroxy - (BPPG)
Appearance: Colorless to slightly yellow transparent liquid
Effective ingredient: ≥ 99%
CAS No：9003-13-8 
Flash point: ≥ 230
Boiling point: ≥ 200
Specific gravity: 1.012 ± 0.05