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
  • 3,4,5-trimethoxy-N-((1-(p-tolyl)-1H-tetrazol-5-yl)methyl)benzamide
  • 4-nitro-N-((1-(p-tolyl)-1H-tetrazol-5-yl)methyl)benzamide
  • N,N,6-triethyl-3-tosylquinolin-4-amine
  • 2-((6-(2-(3-methoxyphenyl)-4-methylthiazol-5-yl)pyridazin-3-yl)thio)-N-(p-tolyl)acetamide
  • N-[2-(diethylamino)ethyl]-N''-(1-thiophen-2-ylsulfonyl-3,4-dihydro-2H-quinolin-7-yl)ethanediamide
  • N-(3-cyano-6-methyl-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)-4-(N-methyl-N-((tetrahydrofuran-2-yl)methyl)sulfamoyl)benzamide
  • (E)-N-(3,6-dimethylbenzo[d]thiazol-2(3H)-ylidene)-3-(phenylsulfonyl)propanamide
  • ethyl 2-[[2-[[5-[(3,4-diethoxybenzoyl)amino]-1,3,4-thiadiazol-2-yl]sulfanyl]acetyl]amino]acetate
  • N'-(p-tolylmethyl)-N-[[3-(p-tolylsulfonyl)oxazolidin-2-yl]methyl]oxamide
  • ethyl 2-[[2-[1-(3-chlorophenyl)pyrazolo[3,4-d]pyrimidin-4-yl]sulfanylacetyl]amino]benzoate
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