5-Ethynyl-2-benzofuran-1,3-dione

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Names

[ CAS No. ]:
73819-76-8

[ Name ]:
5-Ethynyl-2-benzofuran-1,3-dione

[Synonym ]:
1,3-Isobenzofurandione, 5-ethynyl-
5-Ethynyl-2-benzofuran-1,3-dione

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Boiling Point ]:
352.5±25.0 °C at 760 mmHg

[ Melting Point ]:
125ºC

[ Molecular Formula ]:
C10H4O3

[ Molecular Weight ]:
172.137

[ Flash Point ]:
175.6±20.4 °C

[ Exact Mass ]:
172.016037

[ PSA ]:
43.37000

[ LogP ]:
1.78

[ Vapour Pressure ]:
0.0±0.8 mmHg at 25°C

[ Index of Refraction ]:
1.625

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
36/37/38

[ Safety Phrases ]:
26-36

[ HS Code ]:
2932999099

Customs

[ 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%

Related Compounds

  • 5-[2-[4-(hydroxymethyl)phenyl]ethynyl]-2-benzofuran-1,3-dione
  • 5-Phenoxy-2-benzofuran-1,3-dione
  • 5-iodo-2-benzofuran-1,3-dione
  • 5-octoxy-2-benzofuran-1,3-dione
  • 5-Methoxy-2-benzofuran-1,3-dione
  • 5-Aminoisobenzofuran-1,3-dione
  • 2,2-Diethyl-4,6,6-trimethyl-1,3-oxazinane
  • 2-Amino-4-hydroxy-4,5-dimethylhexanamide
  • 5-butyl-4-chloro-1-methyl-1H-pyrazole
  • (Z)-3-butyl-N'-hydroxyfuran-2-carboximidamide
  • (1-{[(5-Chlorofuran-2-yl)methyl]sulfanyl}pentan-2-yl)(methyl)amine
  • 3-{1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopentaneamido}oxolane-2-carboxylic acid
  • 3-chloro-6-methyl-4-[1-(propan-2-yl)-1H-1,2,4-triazol-5-yl]pyridazine
  • 2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methyl-N-(propan-2-yl)but-2-enamido]acetic acid
  • 2-(2-{[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]formamido}ethoxy)acetic acid
  • 3-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropaneamido}-4-methylbenzoic acid
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