1,2-Pentanediol
- CAS NO.：5343-92-0
- Empirical Formula: C5H12O2
- Molecular Weight: 104.15
- MDL number: MFCD00010736
- EINECS: 226-285-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-13 18:13:23
What is 1,2-Pentanediol?
Description
1,2-Pentanediol, also known as 1,2-dihydroxypentane, is a colorless and odorless liquid which is miscible with water and polar organic solvents. It is a chiral molecule with one stereocenter. The compound is usually made by treating a mixture of 1-pentene and formic acid with hydrogen peroxide at<100 ℃. An optically active R-enantiomer of 1,2-pentanediol can be prepared by fermentation.
Chemical properties
CLEAR COLOURLESS TO SLIGHTLY YELLOW OILY LIQUID
The Uses of 1,2-Pentanediol
1,2-Pentanediol is used in synthesizing quinoxalines from biomass-derived glycols. Also used in the synthesis of propiconazole (P770100) a fungicide as well as other antifungals.
The Uses of 1,2-Pentanediol
pentylene glycol is an alcohol with humectant and anti-bacterial properties.
Flammability and Explosibility
Non flammable
Properties of 1,2-Pentanediol
| Melting point: | 50.86°C (estimate) |
| Boiling point: | 206 °C (lit.) |
| Density | 0.971 g/mL at 25 °C (lit.) |
| vapor pressure | 1.5Pa at 20℃ |
| refractive index | n |
| Flash point: | 104 °C |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | Chloroform (Soluble), Methanol (Slightly) |
| pka | 14.49±0.20(Predicted) |
| form | Liquid |
| color | Clear colorless to light yellow |
| Water Solubility | miscible |
| BRN | 1732199 |
| CAS DataBase Reference | 5343-92-0(CAS DataBase Reference) |
| EPA Substance Registry System | 1,2-Pentanediol (5343-92-0) |
Safety information for 1,2-Pentanediol
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 1,2-Pentanediol
| InChIKey | WCVRQHFDJLLWFE-UHFFFAOYSA-N |
1,2-Pentanediol manufacturer
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