4-methyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione

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Names

[ CAS No. ]:
35438-82-5

[ Name ]:
4-methyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione

[Synonym ]:
4-Cyclohexene-1,3-methyl
trans-3-methylcyclohex-4-ene-cis-1,2-dicarboxylic anhydride
3-Methyl-4-cyclohexene-1,2-dicarboxylic anhydride
1,3-Isobenzofurandione,3a,4,7,7a-tetrahydro-4-methyl
4-methyl-4,7,3a,7a-tetrahydroisobenzofuran-1,3-dione
anti-4,4,7,7,8,9-hexahydro-4-methyl-1,3-dioxobenzofuran
cis,cis-3-Methyl-4-cyclohexene-1,2-dicarboxylic acid anhydride
Maleic anhydride and 1,3-pentadiene adduct

Chemical & Physical Properties

[ Density]:
1.204g/cm3

[ Boiling Point ]:
303ºC at 760mmHg

[ Molecular Formula ]:
C9H10O3

[ Molecular Weight ]:
166.17400

[ Flash Point ]:
142.9ºC

[ Exact Mass ]:
166.06300

[ PSA ]:
43.37000

[ LogP ]:
0.89820

Safety Information

[ HS Code ]:
2932999099

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • (3-methyl)tetrahydrophthalic anhydride
  • Maleic anhydride
  • cis-1,3-pentadiene
  • N,N-DIBUTYLANILINE
  • 4-Methyl-1,2,3,6-tetrahydrophthalic Anhydride
  • acetic acid,penta-3,4-dien-2-ol

DownStream

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%