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Highly polar solvents with active solvency and formulating versatility.
Physical Properties
| |
Dimethyl Carbonate |
Diethyl Carbonate |
| Empirical Formula |
C3H6O3 |
C5H10O4 |
| Molecular Weight |
90.08 |
118.13 |
| Boiling Point (°C 760 mm Hg) |
90 |
126-128 |
| Freezing Point (°C) |
3 |
-43 |
| Specific Gravity (20/20°C) |
1.069 |
0.970 |
| Vapor Pressure (mm Hg/ 20°C) |
16 |
8 |
| Volatility (n-butylacetate = 100) |
320 |
97 |
| Viscosity (cp 20°C) |
0.58 |
0.74 |
| Surface Tension (dynes/cm 20°C) |
29.0 |
26.2 |
| Dielectric Constant (esu, 20°C) |
3.17 |
2.88 |
| Auto Ignition temp (°C) |
458 |
445 |
| Flash Point (°C, closed cup) |
16 |
25 |
| Refractive Index (20°C) |
1.368 |
1.384 |
| Appearance |
Clear, Colorless |
Clear, Colorless |
| Odor |
None |
None |
Solubility at 25°C
in water %
water in % |
12.2
2.5 |
2
< 1 |
Functional Fluids
- As electrolyte solvents
- Accelerant in dyeing
- Separation of CO2 & H2S in gas processing industry
- For printing inks
- Formaltion of adhesives
- Formulation of herbicides & pesticides
- Cleaning and paint removal
Reaction solvent
- Methylation reagent – methyl carbonate
- Hydroformaltion solvent
- Feed for polymer synthesis
Features
- Aprotic
- Lower water solubility than cyclic carbonates
- High solvency characteristics
- Powerful diluent
- Low Glycol/alcohol contents
- Low moisture
- Available with ultralow water
- And with ultrahigh purity – 99.9%