4-Ethynyl-1,2-dimethoxybenzene

Suppliers

Names

[ CAS No. ]:
4302-52-7

[ Name ]:
4-Ethynyl-1,2-dimethoxybenzene

[Synonym ]:
Benzene, 4-ethynyl-1,2-dimethoxy-
MFCD03839986
4-Ethynyl-1,2-dimethoxybenzene

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
234.9±30.0 °C at 760 mmHg

[ Melting Point ]:
76℃

[ Molecular Formula ]:
C10H10O2

[ Molecular Weight ]:
162.185

[ Flash Point ]:
88.1±24.1 °C

[ Exact Mass ]:
162.068085

[ PSA ]:
18.46000

[ LogP ]:
2.14

[ Vapour Pressure ]:
0.1±0.4 mmHg at 25°C

[ Index of Refraction ]:
1.523

[ Storage condition ]:
2-8°C

Safety Information

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
26-36/37/39

[ HS Code ]:
2909309090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 1-(2,2-dibromovinyl)-3,4-dimethoxybenzene
  • trans-4-(2-bromovinyl)-1,2-dimethoxybenzene
  • ((3,4-dimethoxyphenyl)ethynyl)trimethylsilane
  • Dimethyl (1-diazo-2-oxopropyl)phosphonate
  • veratraldehyde
  • 3-chloro-3-(3,4-dimethoxy-phenyl)-propenal
  • (Z)-β-bromo-β-(4-methoxyphenyl)acrolein
  • 2-methyl-4-(3,4-dimethoxyphenyl)but-3-yn-2-ol
  • 4-Iodo-1,2-dimethoxybenzene

DownStream

  • (R)-(+)-Tetrahydropapaverine
  • (1S)-1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline
  • 3',4'-dimethoxyflavone
  • 3-(3,4-DIMETHOXY-PHENYL)-PROPYNOIC ACID
  • 1-[(3,4-Dimethoxyphenyl)methyl]-3,4-dihydro-6,7-dimethoxyisoquinoline
  • 4-Fluorophenylacetylene
  • 3',4',7-trimethoxyflavone
  • ethyl 5-(3,4-dimethoxyphenyl)-2-methylfuran-3-carboxylate
  • (+)-Laudanosine
  • 1,2-Ethanedione,1,2-bis(3,4-dimethoxyphenyl)-

Customs

[ HS Code ]: 2909309090

[ Summary ]:
2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Related Compounds

  • 4-ethynyl-1,2,2,6,6-pentamethyl-3H-pyridine,hydrochloride
  • (4-ethynyl-1,2,5-trimethylpiperidin-4-yl)oxy-trimethylsilane
  • 4-ethynyl-1,2,5-trimethylpiperidin-4-ol
  • 4-Ethynyl-1,2-dimethyldecahydro-4-quinolinol 1-oxide
  • 4-ethynyl-1,2,8a-trimethyl-1-oxido-3,4a,5,6,7,8-hexahydro-2H-quinolin-1-ium-4-ol
  • 4-ethynyl-1,2,3,6-tetrahydro-1,2,5-trimethylpyridine