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Dimethyl Carbonate
Molecular formula: C3H6O3
Specification:
EINECS NO.: 210-478-4
CAS No.: 616-38-6 UN No.: 1161
Class: 3.2
Under normal temperature, it is a colorless, transparent liquid with a molecular weight of 90.08. It has a melting point of 4°C, and a boiling point of 90.3°C. Its index of refraction (nd20), viscosity and latent heat of vaporization are respectively 1.3697, 0.664mpa.s and 8382KJ/Kmol. It can be mixed with such organic solvents as alcohol, ketone, ester, etc. at any proportion but it is slightly soluble in water.
Quality indexes: (It conforms to the Quality System Standard: ISO9001: 2000)
Item | Index | |
High Grade | First Grade | |
Content | 99.90 % min | 99.50 % min |
Methanol | 0.05 % max | 0.1 % max |
Moisture | 0.02 % max | 0.05 % max |
Acidity (as H+) | 0.08 mmol/100g max | 0.1 mmol/100g max |
Density (20°C) | 1.071±0.005 g/cm3 | 1.071±0.005 g/cm3 |
Cl | 1 ppm max | -- |
Na | 1 ppm max | -- |
K | 1 ppm max | -- |
Ca | 1 ppm max | -- |
Fe | 1 ppm max | -- |
Pb | 1 ppm max | -- |
Color (Pt-Co) | 10 max | 10 max |
Appearance | Colorless, transparent liquid | |
Packing and Storage:
It should be packed in galvanized iron drums, ISOTANK or on the clients' requirements. Stored in cool, dry and draughty place.
Dimethyl Carbonate
