1,2-Propanediol

About This Item

Molecular Formula	C₃H₈O₂
CAS Number	57-55-6

FC-0154946

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Properties

Chemical Identifiers

IUPAC Name	propane-1,2-diol
SMILES	CC(CO)O
InChI Key	DNIAPMSPPWPWGF-UHFFFAOYSA-N
InChI	InChI=1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3

Physical Properties

Boiling Point	188.2 °C
Melting Point	-76 °F (NTP, 1992)
Flash Point	225 °F (Open cup)
Density	Relative density (water = 1): 1.04

Safety Information

Flash Point

225 °F (Open cup)

Please refer to the Safety Data Sheet (SDS) for complete handling, storage, and disposal instructions. Follow all applicable regulations when working with this chemical reagent.