丙二醇 (bǐngèrchún): propylene glycol

Meanings

Bǐng èr chún cháng yòngzuò shípǐn tiānjiājì.

Propylene glycol is commonly used as a food additive.

Zhè zhǒng huàzhuāngpǐn hányǒu bǐng èr chún.

This cosmetic contains propylene glycol.

memory

Chemistry naming: 丙 (third stem, 3 carbons) + 二 (di-, two hydroxyls) + 醇 (-ol). The same pattern gives 乙醇 ethanol and 甲醇 methanol.

丙 bǐng

二 èr

醇 chún