5653-42-9

5653-42-9 structure
5653-42-9 structure
  • Name: 6,7-Dimethoxy-4H-isochromene-1,3-dione
  • Chemical Name: 6,7-dimethoxy-4H-isochromene-1,3-dione
  • CAS Number: 5653-42-9
  • Molecular Formula: C11H10O5
  • Molecular Weight: 222.194
  • Create Date: 2016-12-20 22:15:21
  • Modify Date: 2024-01-11 14:52:32

Name 6,7-dimethoxy-4H-isochromene-1,3-dione
Synonyms 3,4-dimethoxyhomophthalic anhydride
4,5-dimethoxyhomophthalic anhydride
3,4-Dimethoxyhomophthalic acid anhydride
6,7-dimethoxyisochroman-1,3-dione
1H-2-Benzopyran-1,3(4H)-dione, 6,7-dimethoxy-
6,7-dimetoxihomophthalic anhydride
6,7-Dimethoxy-1H-isochromene-1,3(4H)-dione
Density 1.3±0.1 g/cm3
Boiling Point 415.3±45.0 °C at 760 mmHg
Molecular Formula C11H10O5
Molecular Weight 222.194
Flash Point 189.2±28.8 °C
Exact Mass 222.052826
PSA 61.83000
LogP 0.15
Vapour Pressure 0.0±1.0 mmHg at 25°C
Index of Refraction 1.550

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5653-42-9 structure

5653-42-9

Literature: Weimar; Van Angerer; Wiegrebe Archiv der Pharmazie, 1991 , vol. 324, # 8 p. 509 - 518

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5653-42-9 structure

5653-42-9

Literature: Weimar; Van Angerer; Wiegrebe Archiv der Pharmazie, 1991 , vol. 324, # 8 p. 509 - 518