1,1-Dimethoxyethylene

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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

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Bromoacetaldehyde dimethyl acetal
  • 2-bromo-1,1,1-trimethoxyethane
  • Pinacol
  • Dimethylchloroacetal
  • DMEA
  • Dipropylamine
  • benzene

DownStream

  • 3,3-dimethoxyspiro[thietane-2,9'-xanthene]
  • METHYL 3-OXOHEPTANOATE
  • Methanol
  • Dimethyl Acetal
  • Methyl acetate
  • methyl 2-triethylsilylacetate
  • 1,3,6,8-Tetramethoxy-9,10-dihydroanthracene-9,10-dione
  • methyl 3,5-dimethyl-1H-pyrazole-4-carboxylate

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%

Related Compounds

  • 1,1,1,9,9,9-hexafluoro-2,8-dihydroxy-2,8-bis(trifluoromethyl)nonane-4,6-dione
  • 1,1,1,3,3,3-hexafluoro-2-(1H-indol-2-ylmethyl)propan-2-ol
  • 1,1,1,3,3,3-hexafluoro-2-[3-(1,1,1,3,3,3-hexafluoro-2-hydroxy-propan-2-yl)-2-iodo-5-methyl-phenyl]propan-2-ol
  • (1,1-dibromo-3-methylbut-1-en-2-yl)benzene
  • 1,1-dioctyl-3-phenylurea
  • 1-[[1-(1-butylindol-3-yl)cyclopentyl]methyl]-3-[2,6-di(propan-2-yl)phenyl]urea
  • 4-{[1-(4-Methyl-3-oxo-3,4-dihydropyrazin-2-yl)azetidin-3-yl]oxy}pyridine-2-carboxamide
  • N,2-dimethyl-N-[1-(pyridin-2-yl)azetidin-3-yl]-6-(trifluoromethyl)pyrimidin-4-amine
  • 2-{[1-(5-Cyclopropyl-1,3,4-thiadiazol-2-yl)piperidin-4-yl]methoxy}pyrazine
  • 6-Methyl-2-{4-[(pyrimidin-2-yloxy)methyl]piperidin-1-yl}pyridine-3-carbonitrile
  • 5-Methoxy-2-{[1-(3-methyl-1,2,4-thiadiazol-5-yl)piperidin-4-yl]oxy}pyrimidine
  • 2-{3-[(4-chloro-1H-pyrazol-1-yl)methyl]azetidin-1-yl}-5-(trifluoromethyl)pyridine
  • 2-{3-[(4-chloro-1H-pyrazol-1-yl)methyl]azetidin-1-yl}-6-(trifluoromethyl)pyridine
  • 2-{3-[(4-chloro-1H-pyrazol-1-yl)methyl]azetidin-1-yl}-3-(trifluoromethyl)pyridine
  • 4-{3-[(4-chloro-1H-pyrazol-1-yl)methyl]azetidin-1-yl}-6-methyl-2-(methylsulfanyl)pyrimidine
  • 4-{[1-(5,6-Dimethylpyrimidin-4-yl)azetidin-3-yl]oxy}pyridine-2-carboxamide
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