1,1-Dimethoxyethylene
Names
[ CAS No. ]:
922-69-0
[ Name ]:
1,1-Dimethoxyethylene
[Synonym ]:
Ethene,1,1-dimethoxy
1,1-dimethoxy-ethylene
CH2=C(OMe)2
1,1-dimethoxyethylene
1,1-dimethoxy-ethene
Ethene, 1,1-dimethoxy-
Ketene dimethyl acetal
dimethyl ketene acetal
dimethoxyethene
1,1-dimethoxyethene
Chemical & Physical Properties
[ Density]:
0.9±0.1 g/cm3
[ Boiling Point ]:
46.9±13.0 °C at 760 mmHg
[ Molecular Formula ]:
C4H8O2
[ Molecular Weight ]:
88.105
[ Flash Point ]:
-28.9±19.4 °C
[ Exact Mass ]:
88.052429
[ PSA ]:
18.46000
[ LogP ]:
0.48
[ Vapour Pressure ]:
342.5±0.1 mmHg at 25°C
[ Index of Refraction ]:
1.379
Safety Information
[ Hazard Codes ]:
F: Flammable;
[ Risk Phrases ]:
11
[ RIDADR ]:
UN 1993 3/PG 2
[ HS Code ]:
2911000000
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2911000000
[ Summary ]:
2911000000 acetals and hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%