5,6,7,8-Tetrahydro-1H-2-benzopyran-1,3(4H)-dione

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Names

[ CAS No. ]:
3711-74-8

[ Name ]:
5,6,7,8-Tetrahydro-1H-2-benzopyran-1,3(4H)-dione

[Synonym ]:
5,6,7,8-tetrahydro-4H-isochromene-1,3-dione
5,6,7,8-Tetrahydro-homophthalsaeureanhydrid

Chemical & Physical Properties

[ Density]:
1.24 g/cm3

[ Boiling Point ]:
334℃

[ Melting Point ]:
46℃

[ Molecular Formula ]:
C9H10O3

[ Molecular Weight ]:
166.17400

[ Flash Point ]:
163℃

[ Exact Mass ]:
166.06300

[ PSA ]:
43.37000

[ LogP ]:
1.33050

[ Storage condition ]:
2-8℃

Safety Information

[ HS Code ]:
2918990090

Synthetic Route

Click to get detail synthetic route

Customs

[ HS Code ]: 2918990090

[ Summary ]:
2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Related Compounds

  • (4aS,8aR)-4a,5,6,7,8,8a-hexahydro-4H-isochromene-1,3-dione
  • (4aS,8aS)-4a-methyl-4,5,6,7,8,8a-hexahydroisochromene-1,3-dione
  • 5,6,7,8-Tetrahydro-1H-benzo[f]indole-2,3-dione
  • 5,8-Methano-1H-2-benzopyran-1,3(4H)-dione, 4a,5,8,8a-tetrahydro
  • 6,7-Dimethoxy-4H-isochromene-1,3-dione
  • 6,8-dimethoxy-4H-isochromene-1,3-dione
  • (Z)-3-(2-methoxyphenyl)-2-(4-(3-methoxyphenyl)thiazol-2-yl)acrylonitrile
  • (Z)-2-(4-(4-isobutylphenyl)thiazol-2-yl)-3-(3-methoxyphenyl)acrylonitrile
  • (Z)-3-(4-(dimethylamino)phenyl)-2-(4-(4-isobutylphenyl)thiazol-2-yl)acrylonitrile
  • (Z)-3-(4-chlorophenyl)-2-(4-(3,4-dimethylphenyl)thiazol-2-yl)acrylonitrile
  • (Z)-3-(4-chlorophenyl)-2-(4-(4-ethylphenyl)thiazol-2-yl)acrylonitrile
  • (2Z)-3-(4-chlorophenyl)-2-{4-[4-(2-methylpropyl)phenyl]-1,3-thiazol-2-yl}prop-2-enenitrile
  • (Z)-3-(2-bromophenyl)-2-(4-(4-methoxyphenyl)thiazol-2-yl)acrylonitrile
  • (Z)-3-(2-bromophenyl)-2-(4-phenylthiazol-2-yl)acrylonitrile
  • (Z)-3-(3-bromophenyl)-2-(4-(4-methoxyphenyl)thiazol-2-yl)acrylonitrile
  • (Z)-3-(3-bromophenyl)-2-(4-(3,4-dimethylphenyl)thiazol-2-yl)acrylonitrile
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