Product Name: Propylene Glyco Cas No.: 57-55-6 Appearance: a clear, colourless, and viscous liquid Propylene Glycol is a colorless liquid with steady viscosity and good water absorption. It is nearly odorless, inflammable and minutely toxic.Application: PG is the raw material for preparing unsaturated polyester resin, plasticizer, surface active agent, emulsifying agent and demulsifying agent. It ...