3711-74-8

3711-74-8 structure
3711-74-8 structure
  • Name: 5,6,7,8-Tetrahydro-1H-2-benzopyran-1,3(4H)-dione
  • Chemical Name: 5,6,7,8-Tetrahydro-1H-isochromene-1,3(4H)-dione
  • CAS Number: 3711-74-8
  • Molecular Formula: C9H10O3
  • Molecular Weight: 166.17400
  • Create Date: 2018-11-25 18:39:03
  • Modify Date: 2024-01-13 11:16:57

Name 5,6,7,8-Tetrahydro-1H-isochromene-1,3(4H)-dione
Synonyms 5,6,7,8-tetrahydro-4H-isochromene-1,3-dione
5,6,7,8-Tetrahydro-homophthalsaeureanhydrid
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℃
HS Code 2918990090
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%