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CAS 2426-02-0

:

3,4,5,6-Tetrahydrophthalic anhydride

Description:
3,4,5,6-Tetrahydrophthalic anhydride, with the CAS number 2426-02-0, is a cyclic anhydride derived from tetrahydrophthalic acid. It is characterized by its colorless to pale yellow solid form and is known for its reactivity, particularly in the formation of polyesters and as a hardener in epoxy resins. The compound features a five-membered anhydride ring, which contributes to its chemical reactivity, allowing it to undergo various reactions, including ring-opening polymerization. It is soluble in organic solvents such as acetone and ethyl acetate but has limited solubility in water. 3,4,5,6-Tetrahydrophthalic anhydride is utilized in the production of coatings, adhesives, and composites due to its ability to enhance mechanical properties and thermal stability. Safety considerations include handling it with care, as it can cause skin and respiratory irritation. Overall, its unique structural features and reactivity make it a valuable compound in industrial applications.
Formula:C8H8O3
InChI:InChI=1S/C8H8O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-4H2
InChI key:InChIKey=HMMBJOWWRLZEMI-UHFFFAOYSA-N
SMILES:O=C1C2=C(C(=O)O1)CCCC2
Synonyms:
  • 1,3,4,5,6,7-Hexahydro-2-benzofuran-1,3-dione
  • 1,3-Isobenzofurandione, 4,5,6,7-tetrahydro-
  • 1-Cyclohexene-1,2-dicarboxylic acid anhydride
  • 1-Cyclohexene-1,2-dicarboxylic anhydride
  • 3,4,5,6-Tetrahydrophthalic acid anhydride
  • 3,4,5,6-Tetrahydrophthalic anhydride
  • 4,5,6,7-Tetrahydro-1,3-isobenzofurandione
  • 4,5,6,7-Tetrahydro-isobenzofuran-1,3-dione
  • NSC 11211
  • NSC 61333
  • See more synonyms
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