Propylene glycol
USP/1576708 - United States Pharmacopeia (USP) Reference Standard
Synonym: 1,2-Propanediol; Propylene glycol
CAS Number: 57-55-6
Empirical Formula (Hill Notation): C3H8O2
Molecular Weight: 76.09
MDL Number: MFCD00064272
Linear Formula: CH3CH(OH)CH2OH
Product Type: Chemical
| API family | propylene glycol |
| application(s) | pharmaceutical (small molecule) |
| autoignition temp. | 779 °F |
| bp | 187 °C (lit.) |
| density | 1.036 g/mL at 25 °C (lit.) |
| expl. lim. | 12.5 % |
| format | neat |
| grade | pharmaceutical primary standard |
| InChI | 1S/C3H8O2/c1-3(5)2-4/h3-5 |
| InChI key | DNIAPMSPPWPWGF-UHFFFAOYSA |
| manufacturer/tradename | USP |
| mp | −60 °C (lit.) |
| refractive index | n |
| SMILES string | CC(O)CO |
| vapor density | 2.62 (vs air) |
| vapor pressure | 0.08 mmHg ( 20 °C) |
| Analysis Note: | These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind. |
| Application: | Propylene glycol USP reference standard intended for use in specified quality tests and assays. Also used to prepare standard stock, standard, sample, system suitability, and sensitivity solution for assay and impurity analysis according to the given below monographs of United States Pharmacopeia (USP): • Propylene Glycol Dilaurate • Phenytoin Sodium Injection • Hydroxypropyl Betadex • Butylene Glycol |
| General description: | This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia   . |
| Other Notes: | Sales restrictions may apply. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | 217.4 °F - closed cup |
| Flash Point(C) | 103 °C - closed cup |
| bp | 187 °C (lit.) |
| mp | −60 °C (lit.) |
| Density | 1.036 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 41116107 |