Introduction：Basic information about 1,2-Pentanediol CAS 5343-92-0, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
1,2-Pentanediol Basic information
| Product Name: | 1,2-Pentanediol |
| Synonyms: | 1,2-Pentanediol,97%;1,2-Pentanediol TDS free sample MSDS;Pentane-1,2-diol COA TDS free sample MSDS;1,2-Pentanediol COA MSDS free sample Pentane-1,2-diol;1,2-Pentanediol 96%;PENTANE-1,2-DIOL;PTD;pentyleneglycol,1,2-pentanediol |
| CAS: | 5343-92-0 |
| MF: | C5H12O2 |
| MW: | 104.15 |
| EINECS: | 226-285-3 |
| Product Categories: | Organic Building Blocks;Oxygen Compounds;Polyols;Organic solvents;Alcohols;Monomers;Polymer Science;5343-92-0 |
| Mol File: | 5343-92-0.mol |
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1,2-Pentanediol Chemical Properties
| 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 | n20/D 1.439(lit.) |
| Fp | 104 °C |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | Chloroform (Soluble), Methanol (Slightly) |
| form | Liquid |
| pka | 14.49±0.20(Predicted) |
| color | Clear colorless to light yellow |
| Water Solubility | miscible |
| BRN | 1732199 |
| Cosmetics Ingredients Functions | SKIN CONDITIONING
SOLVENT |
| InChI | 1S/C5H12O2/c1-2-3-5(7)4-6/h5-7H,2-4H2,1H3 |
| InChIKey | WCVRQHFDJLLWFE-UHFFFAOYSA-N |
| SMILES | CCCC(O)CO |
| LogP | 0.06 at 25℃ |
| CAS DataBase Reference | 5343-92-0(CAS DataBase Reference) |
| EPA Substance Registry System | 1,2-Pentanediol (5343-92-0) |
Safety Information
| Risk Statements | 36/38 |
| Safety Statements | 24/25 |
| WGK Germany | 1 |
| RTECS | SA0455000 |
| F | 3 |
| TSCA | TSCA listed |
| HS Code | 2905399590 |
| Storage Class | 10 - Combustible liquids |
| Hazard Classifications | Eye Irrit. 2 |
1,2-Pentanediol Usage And Synthesis
| 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.
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| Chemical Properties | CLEAR COLOURLESS TO SLIGHTLY YELLOW OILY LIQUID |
| Physical properties | The density of 1,2-Pentanediol is 0.971 g/mL at 25°C, melting point is approximately 50.86°C, boiling point is 206-210°C, flash point is 104°C, and specific gravity is 0.97 at 20/20°C. Its refractive index is 1.44. It is a linear aliphatic diol with significant polarity and non-polarity, giving it unique properties distinct from other diols. |
| Uses | pentylene glycol is an alcohol with humectant and anti-bacterial properties. |
| Uses | 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. |
| Flammability and Explosibility | Non flammable |
| Synthesis | Typically, 1,2-Pentanediol is produced by treating a mixture of 1-pentene and formic acid with hydrogen peroxide at temperatures below 100°C. Another method involves the hydroformylation of 1-butene followed by hydrogenation. |
1,2-Pentanediol Preparation Products And Raw materials
| Raw materials | (-)-MENTHYL CHLOROFORMATE-->1-Pentene |
| Preparation Products | Propiconazole-->4-propyl-[1,3,2]dioxathiolane-2,2-dioxide-->Tetrahydrofurfuryl alcohol-->2-Pentanol, 1-(phenylmethoxy)- |
