Anodyne

PG
Propylene glycol
Esters
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Propylene glycol acetate
Propylene glycol acetate
Propylene glycol dipropionate
Propylene glycol dipropionate
Propylene glycol stearate
Propylene glycol stearate
Molecular structure via molpic
Conformer structure via 3Dmol.js
Molecular formulaC3H8O2[1]
Molecular mass76.09 g/mol[1]
Density1.04 at 68 °F (USCG, 1999) - Denser than water; will sink g/cm3[1]
AppearanceColorless viscous liquid[1]
OdorPractically odorless[1]
TastePractically tasteless[1]
Predicted LogP-0.9[1]
Melting point-76 °F (NTP, 1992)[1]
Boiling point370.8 °[1]
DecompositionWhen heated to decomposition it emits acrid smoke and irritating fumes.[1]
Solubilitygreater than or equal to 100 mg/mL at 70 °F (NTP, 1992)[1]
Chiralityracemic[2]
Identifiers
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IUPAC namepropane-1,2-diol[1]
SMILESCC(CO)O[1]
InChIInChI=1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3[1]
InChIKeyDNIAPMSPPWPWGF-UHFFFAOYSA-N[1]
Dosing

Propylene glycol

(Redirected from (+)-Propylene glycol)

Propylene glycol (also known as 1,2-propanediol, 1,2-Propylene glycol, 1,2-dihydroxypropane, 2-Hydroxypropanol, Isopropylene glycol, Methylethyl glycol, Methylethylene glycol, Monopropylene glycol, Dowfrost or Sirlene) is a substance of the alcohol class.

Chemistry

Propylene glycol is typically found in the form of its acetate, dipropionate and stearate esters.

Stereochemistry

(RS)-Propylene glycol is a racemic mixture of the optical stereoisomers:

Stereoisomers
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(+)-Propylene glycol

(+)-Propylene glycol

(-)-Propylene glycol

(-)-Propylene glycol

See also