1,2-Propanediol
SIAL/12279 - analytical standard
Synonym: 1,2-PDO; Propylene glycol
CAS Number: 57-55-6
Empirical Formula (Hill Notation): C3H8O2
Molecular Weight: 76.09
EC Number: 200-338-0
MDL Number: MFCD00064272
Linear Formula: CH3CH(OH)CH2OH
Product Type: Chemical
| application(s) | cleaning products cosmetics environmental flavors and fragrances food and beverages forensics and toxicology personal care pharmaceutical (small molecule) |
| assay | ≥99.7% (GC) |
| autoignition temp. | 779 °F |
| bp | 187 °C (lit.) |
| density | 1.036 g/mL at 25 °C (lit.) |
| expl. lim. | 12.5 % |
| format | neat |
| grade | analytical standard |
| InChI | 1S/C3H8O2/c1-3(5)2-4/h3-5 |
| InChI key | DNIAPMSPPWPWGF-UHFFFAOYSA |
| mp | −60 °C (lit.) |
| Quality Level | 100  |
| refractive index | n |
| n |
|
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | CC(O)CO |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable | |
| vapor density | 2.62 (vs air) |
| vapor pressure | 0.08 mmHg ( 20 °C) |
| Application: | 1,2-Propanediol may be used as an analyte protectant for the gas chromatography-mass spectrometric detection of environmental contaminants in honey, honeybees and pollens. It is also used as an analytical reference standard for the quantification of the analyte in biological fluids using headspace-gas chromatography (HS-GC) technique. |
| Application: | Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. |
| General description: | 1,2-Propanediol is a compound found to be chemically similar to ethylene glycol and is widely used in automobile antifreeze, activated charcoal preparations, cosmetics, beverages, ointments, etc. It is used as a diluent for the intravenous preparations of poorly water-soluble drugs. |
| General description: | This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food. |
| 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 |
| Purity | ≥99.7% (GC) |
| bp | 187 °C (lit.) |
| mp | −60 °C (lit.) |
| Density | 1.036 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 41116107 |