Propylene Glycol is a propanediol that consists of propane where the hydrogens at positions 1 and 2 are substituted by hydroxyl groups AND often used as an excipient in medicines

57-55-6

C3H8O2

76.095

1,2-Propanediol;Methyl ethyl glycol;1,2-Dihydroxypropane;丙二醇;Propylene glycol;(±)-1,2-Propanediol

DMSO:10 mM
Powder: -20°C for 3 years
In solvent: -80°C for 2 years