Functional Roles
Industries Served
Physical Properties
physical_description
Colorless to pale yellow liquid; [Merck Index] Colorless odorless liquid; [Alfa Aesar MSDS]
color/form
Colorless to pale yellow, very viscid liquid
taste
Sweet
boiling_point
210-212 u00b0C
flash_point
Flash Point: 174 u00b0F/ 345 u00b0C /closed cup/
solubility
Very soluble in ethyl ether; slightly soluble in benzene
density
1.0597 at 20 u00b0C/4 u00b0C
vapor_pressure
0.0441 mm Hg at 25 u00b0C
logp
log Kow = -1.04
stability/shelf_life
Chemical stability: Stable under recommended storage conditions.
autoignition_temperature
Ignition Temp: 752 u00b0F/ 400 u00b0C
refractive_index
Index of refraction: 1.4398 at 20 u00b0C/D
kovats_retention_index
1770
other_experimental_properties
BP: 209.5 u00b0C; density: 1.070 g/cu cm at 14 u00b0C; index of refraction: 1.4192 at 25 u00b0C/D; very soluble in water; soluble in ethanol /1,3-Propanediol diacetate/
GHS / SDS Safety
Warning
Irritant
- H315: Causes skin irritation [Warning Skin corrosion/irritation]
- Not Classified
- Reported as not meeting GHS hazard criteria by 468 of 510 companies (only 8.2% companies provided GHS information). For more detailed information, please visit ECHA C&L website.
Chemical Identity
| CAS Number | 504-63-2 |
| IUPAC Name | propane-1,3-diol |
| InChI Key | YPFDHNVEDLHUCE-UHFFFAOYSA-N |
| PubChem CID | 10442 |
| INCI Name | PROPANEDIOL |
Synonyms & Trade Names
Full Description
Propanediol (CAS 504-63-2) is a glycol compound with the molecular formula C3H8O2 that functions as a humectant and solvent in industrial formulations. This chemical provides moisture retention and dissolving properties for applications in the beauty and personal care industry. With a boiling point of 210-212°C and high solubility in ethyl ether, propanediol offers reliable performance in cosmetic and personal care product manufacturing.