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4-Methyl-1,3-Dioxolane (CAS: 1072-47-5)
Common Names: Methyl Dioxolane, Propylene glycol methylene ether, Formaldehyde propylene acetal
A polar aprotic cyclic diether with active solvency - P-series for an even better tox profile. 4-Methyl-1,3-Dioxolane is a highly polar aprotic (no hydroxyl functionality) solvent, having low toxicity - it is a propylene glycol derivative. The moderate boiling point allows for controlled drying of coatings and inks. Novolyte offers high purity (99.0%, (99.3% typical), low peroxide (5ppm max), and low moisture (300ppm max). Higher purity and low moisture versions are available.
Physical Properties
| Empirical Formula |
C4H8O2 |
| Molecular Weight |
88.1 |
| Boiling Point (°C 760 mm Hg) |
82-85 |
| Freezing Point (°C) |
- |
| Specific Gravity (20°C) |
0.983 |
| Flash Point (°C, closed cup) |
-2 |
| Refractive Index (20°C) |
1.398 |
Appearance: Clear, colorless
Odor: Ethereal
Solubility at 25°C
- In water: 5.5%
- Water in: 8.0%
Process Solvent
- For inks and dyes
- For adhesives and coatings
Reaction solvent
- At near pH 7
- Acting as a polycarbonate and other polar polymer swelling agent
Features
- Aprotic
- 10C higher boiling point than 1,3-dioxane
- Water soluble
- High solvency characteristics
- Powerful diluent
- Friendly tox profile
- Refer to MSDS for detailed handling and disposal information
- Use with proper PPE and engineering controls