propylene glycol
| Structure | ![]() |
References |
| CAS number | 57556 | 1 |
| name | propylene glycol | 1 |
| synonyms | 1,2-propanediol; 1,2-Dihydroxypropane; Methylethylene glycol; Trimethyl glycol; 1,2-Propylene glycol; monopropylene glycol; propane-1,2-diol; alpha-propyleneglycol | 2 |
| formula | C3H8O2 | 14 |
| MW | 76.1 | 14 |
| Class | glycol | |
| MP, ºC | -60 | 14 |
| BP, ºC | 187.6 | 14 |
| vapor pressure, torr @25ºC | 0.129 | 14 |
| evaporation rate (BuOAc=1) | 0.01 | 1 |
| specific gravity, 25ºC/25ºC | 1.04 | 1 |
| viscosity, cP @ 25ºC | 56 | 1 |
| flash point, ºC (closed cup) | 99 | 1 |
| water soly, g/100g H2O at 25ºC | 100 | 14 |
| Henry's Law Constant, atm-m3/mole | 0.00000017 | 1 |
| kOH, cm3/molecule-second | 1.2E-11 | 14 |
| log Kow | -0.92 | 14 |
| Hildebrand parameter (cal/cm3)^½ | 14.43 | 1 |
| Kauri-butanol number | NA | |
| MIR | 2.75 | 26 |
| TAC | no |