2139-43-7

2139-43-7 structure
2139-43-7 structure
  • Name: 1,3-Benzodioxole,5-bromo-6-(1,3-dioxolan-2-yl)-
  • Chemical Name: 5-bromo-6-(1,3-dioxolan-2-yl)-1,3-benzodioxole
  • CAS Number: 2139-43-7
  • Molecular Formula: C10H9BrO4
  • Molecular Weight: 273.08000
  • Create Date: 2018-11-24 15:17:54
  • Modify Date: 2024-01-13 10:32:11

Name 5-bromo-6-(1,3-dioxolan-2-yl)-1,3-benzodioxole
Synonyms 2-bromo-4,5-methylenedioxybenzaldehyde ethylene acetal
2-bromo-4,5-methylendioxy-1-(1,3-dioxolanyl)benzene
5-bromo-6-[1,3]dioxolan-2-yl-benzo[1,3]dioxole
6-bromopiperonal ethylene acetal
HMS3089L19
5-bromo-6-(1,3-dioxolanyl-2-yl)-2,3-methylenedioxybenzene
Density 1.682g/cm3
Boiling Point 322.5ºC at 760mmHg
Molecular Formula C10H9BrO4
Molecular Weight 273.08000
Flash Point 130.5ºC
Exact Mass 271.96800
PSA 36.92000
LogP 2.22320
Vapour Pressure 0.000523mmHg at 25°C
Index of Refraction 1.597
HS Code 2932999099

~99%

2139-43-7 structure

2139-43-7

Literature: Yoda, Hidemi; Nakahama, Akira; Koketsu, Tomomi; Takabe, Kunihiko Tetrahedron Letters, 2002 , vol. 43, # 26 p. 4667 - 4669

~72%

2139-43-7 structure

2139-43-7

Literature: Bearsden Bio, Inc. Patent: US6048853 A1, 2000 ;

~%

2139-43-7 structure

2139-43-7

Literature: Kita, Yasuyuki; Arisawa, Mitsuhiro; Gyoten, Michiyo; Nakajima, Makiko; Hamada, Ryuji; Tohma, Hirofumi; Takada, Takeshi Journal of Organic Chemistry, 1998 , vol. 63, # 19 p. 6625 - 6633
HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%