1,3-propanediol


1,3-dihydroxypropane; 1,3-propanediol; propane-1,3-diol; 1,3-propylene glycol; trimethylene glycol
Links:📏 NIST, 📖 PubMed
CAS:[504-63-2]
Formula:C3H8O2; 76.10 g/mol
InChiKey:YPFDHNVEDLHUCE-UHFFFAOYSA-N
SMILES:OCCCO.
Molecular structure of 1,3-propanediol
Density:1.053 g/mL
Molar volume:72.3 mL/mol
Refractive index:1.440
Molecular refractive power:19.05 mL/mol
Dielectric constant:35.00
Dipole moment:2.52 D
Melting point:-26 °C
Boiling point:214 °C
Antoine equation
P(Torr) vs T(°C)
Vapour pressure vs temperature
Critical pressure:6.3 atm
Log10 partition octanol / water:0.03
Dimroth ET:54.9
Immiscible with:
(E)-3-phenyl-2-propenal,    2,6,8-trimethyl-4-nonanone,    2,6-dimethyl-4-heptanone,    3-methylbutyl acetate,    4-methoxybenzaldehyde,    4-methyl-2-pentanone,    N,N-dimethylaniline,    N,N-dipropylaniline,    benzene,    benzonitrile,    dibenzyl ether,    diethyl ether,    dihexyl ether,    ethyl chloroacetate,    ethyl isothiocyanate,    ethyl phenylacetate,    ethyl thiocyanate,    heptyl acetate,    hexanenitrile,    isoamyl sulfide,    nitromethane,    phenylmethanethiol,    salicylaldehyde,    trans-ethyl cinnamate,    tributylamine
Partially miscible with:
1-tetradecanol,    ethyl benzoate
Miscible with:
1,2,3-propanetriol,    1,2-diethoxyethane,    1-amino-2-propanol,    1-phenylethan-1-amine,    2,4-pentanedione,    2-(1-phenylethylamino)ethanol,    2-(2-aminoethylamino)ethanol,    2-(2-hydroxyethyl-(1-phenylethyl)amino)ethanol,    2-amino-2-methyl-1-propanol,    2-ethoxyaniline,    2-ethylbutanoic acid,    2-ethylhexanol,    2-methylphenol,    2-phenylethylamine,    2-propanone,    3-heptanol,    3-methyl-1-butanol,    3-methyl-2-butanone,    4-hydroxy-4-methylpentan-2-one,    4-methylpentanoic acid,    5-ethyl-2-methylpyridine,    N,N-diethylformamide,    N-(2-aminoethyl)ethane-1,2-diamine,    a-methylbenzyldimethylamine,    benzaldehyde,    benzothiazole,    benzyl alcohol,    butanol,    dibutylamine,    diisopropylamine,    dipentylamine,    ethanediol,    ethanol,    formamide,    furfuryl alcohol,    hexanedinitrile,    octanol,    pyridine,    tetraethylene glycol dibutyl ether,    tributyl phosphate,    trichloromethane,    triethylenetetramine

Isomers

dimethoxymethane
Molecular structure of dimethoxymethane
1-hydroperoxypropane
Molecular structure of 1-hydroperoxypropane
2-hydroperoxypropane
Molecular structure of 2-hydroperoxypropane
2-methoxyethanol
Molecular structure of 2-methoxyethanol
methylperoxyethane
Molecular structure of methylperoxyethane
(R)-(-)-1,2-propanediol
Molecular structure of (R)-(-)-1,2-propanediol
1,2-propanediol
Molecular structure of 1,2-propanediol
1,3-propanediol
Molecular structure of 1,3-propanediol
(~S)-(+)-1,2-propanediol
Molecular structure of (S)-(+)-1,2-propanediol