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Methylal
DESCRIPTION
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| Molecular Formula |
C3H8O2 |
| Chemical structure |
CH3-O-CH2-O-CH3 |
| Synonym |
Dimethoxymethane (DMM) |
| CAS No |
109-87-5 |
| EINECS No |
203-714-2 |
| INCI name |
Methylal |
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| PHYSICAL PROPERTIES |
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| Molecular
weight |
76.08
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| Density
(g/cm³) 20 °C |
0.861
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| Vapour
density |
2.6
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| Boiling
point (oC) 101 325 Pa |
42.3
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| Freezing
point (oC) |
-104.8
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| Flashpoint
(oC) |
Closed
cup (Pensky-Martens) |
-18
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| Open
cup (Cleveland) |
-18
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| Vapour
pressure (bar) 20o C (ASTM D 323 modified) |
0.4
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| Kinematic
viscosity (10-7 m2/s) 25oC |
3.71
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| Refractory
index n20D |
1.3531
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Explosion limits ( Vol %) |
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| Autoignition
temperature (oC) (ASTM E 659) |
237
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| Surface
tension (mN/m) 25oC |
21.20
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Evaporation
rate compared to
(Following DIN 53170) |
Diethyl
ether (=1) |
1.36
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| Butyl
acetate (=1) |
0.11
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| Solubility
of the acetal in water (%) |
32.3
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| Solubility
of water in the acetal (%) |
4
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Related Applications :
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