Product Description
Propylene carbonate (CAS No. 108-32-7) is a cyclic carbonate compound with excellent polarity, high boiling point, and strong solvent properties. Cyclic carbonates include various ring structures, among which propylene carbonate and ethylene carbonate are the most widely applied commercial products.
Due to its superior solvency, chemical stability, and low volatility, propylene carbonate is widely used as a high-performance solvent in industrial and laboratory applications. It demonstrates excellent compatibility with many organic compounds, making it suitable for polymer processing, chemical synthesis, and specialty formulation systems.
Propylene carbonate also plays an important role in electrochemical applications, including electrolyte systems, as well as in gas separation processes and advanced material manufacturing. In addition, it serves as a functional raw material for surfactants and other specialty chemicals.
With its combination of excellent solvent performance, thermal stability, and broad application versatility, propylene carbonate is an important material for plastics, coatings, electronics, polymers, and chemical industries.
Chemical Properties
| Melting point | -55 °C (lit.) |
| Boiling point | 240 °C (lit.) |
| density | 1.204 g/mL at 25 °C (lit.) |
| vapor pressure | 0.13 mm Hg ( 20 °C) |
| refractive index | n20/D 1.421(lit.) |
| Fp | 270 °F |
| storage temp. | Store below +30°C. |
| solubility | 240g/l |
| form | Liquid |
| pka | 3.92[at 20 ℃] |
| Specific Gravity | 1.209 (20/4℃) |
| color | Clear |
| PH | 7.0 (200g/l, H2O, 20℃) |
| Relative polarity | 6 |
| Odor | odorless |
| explosive limit | 1.8-14.3%(V) |
| Water Solubility | 240 g/L (20 ºC) |
| λmax | λ: 235 nm Amax: 1.00 |
| λ: 280 nm Amax: 0.50 | |
| λ: 300 nm Amax: 0.30 | |
| λ: 350 nm Amax: 0.05 | |
| λ: 375-400 nm Amax: 0.01 | |
| BRN | 107913 |
| Henry's Law Constant | 2.9×102 mol/(m3Pa) at 25℃, Duchowicz et al. (2020) |
| Dielectric constant | 64.4（Ambient） |
| Stability: | Stable. Incompatible with strong oxidizing agents, acids, bases, reducing agents. Protect from contact with moist air or water. |
| Major Application | food and beverages |
| Cosmetics Ingredients Functions | SOLVENT |
| VISCOSITY CONTROLLING | |
| InChI | 1S/C4H6O3/c1-3-2-6-4(5)7-3/h3H,2H2,1H3 |
| InChIKey | RUOJZAUFBMNUDX-UHFFFAOYSA-N |
| SMILES | CC1COC(=O)O1 |
| LogP | -0.41 at 20℃ |
| CAS DataBase Reference | 108-32-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Propylene carbonate(108-32-7) |
| EPA Substance Registry System | Propylene carbonate (108-32-7) |
Safety Information
| Hazard Codes | Xi |
| Risk Statements | 36 |
| Safety Statements | 26-37/39 |
| WGK Germany | 1 |
| RTECS | FF9650000 |
| F | 46091 |
| Autoignition Temperature | 851 °F |
| TSCA | TSCA listed |
| HS Code | 29209010 |
| Storage Class | 10 - Combustible liquids |
| Hazard Classifications | Eye Irrit. 2 |
| Hazardous Substances Data | 108-32-7(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: > 5000 mg/kg LD50 dermal Rabbit > 20000 mg/kg |
Applications of Propylene Carbonate CAS No. 108-32-7
Propylene carbonate is a versatile cyclic carbonate compound widely used in polymer processing, chemical manufacturing, and industrial formulations due to its excellent solvency, stability, and compatibility.
Polymer and Synthetic Material Applications
Propylene carbonate is commonly used as a high-performance solvent in the production and processing of synthetic fibers, polymers, and specialty materials. Its strong solvency helps improve processing efficiency and product performance.
Extraction and Separation Applications
With its excellent polarity and chemical stability, propylene carbonate serves as an effective extraction solvent in various chemical processes, supporting the separation and purification of targeted compounds.
Plasticizer and Processing Applications
Propylene carbonate is utilized as a functional plasticizer and processing aid in industrial formulations, helping enhance flexibility, stability, and processing characteristics of polymer-based products.
Specialty Chemical Applications
Due to its low volatility, high boiling point, and broad compatibility, propylene carbonate is also applied in coatings, chemical formulations, and other advanced industrial systems requiring reliable solvent performance.
With its excellent solvency, thermal stability, and multifunctional properties, propylene carbonate is an important material for polymer, chemical, and specialty industrial applications.
