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CAS 5333-84-6

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3-Methyltetrahydrophthalic anhydride

Description:
3-Methyltetrahydrophthalic anhydride (CAS 5333-84-6) is an organic compound that belongs to the class of anhydrides, specifically derived from tetrahydrophthalic acid. It is characterized by its cyclic anhydride structure, which contributes to its reactivity, particularly in the formation of polyesters and as a hardener in epoxy resins. This compound is typically a colorless to pale yellow solid with a distinctive odor. It is soluble in organic solvents such as acetone and ethyl acetate but has limited solubility in water. 3-Methyltetrahydrophthalic anhydride is known for its ability to undergo ring-opening reactions, making it useful in various industrial applications, including coatings, adhesives, and composite materials. Additionally, it exhibits moderate toxicity, necessitating appropriate handling and safety measures during use. Its chemical stability and reactivity profile make it a valuable intermediate in the synthesis of more complex chemical products.
Formula:C9H10O3
InChI:InChI=1S/C9H10O3/c1-5-3-2-4-6-7(5)9(11)12-8(6)10/h2-3,5-7H,4H2,1H3
InChI key:InChIKey=XPEKVUUBSDFMDR-UHFFFAOYSA-N
SMILES:CC1C2C(C(=O)OC2=O)CC=C1
Synonyms:
  • 1,2,3,6-Tetrahydro-3-methylphthalic anhydride
  • 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-4-methyl-
  • 3-Methyl-1,2,3,6-tetrahydrophthalic anhydride
  • 3-Methyl-4-cyclohexene-1,2-dicarboxylic acid anhydride
  • 3-Methyl-4-cyclohexene-1,2-dicarboxylic anhydride
  • 3-Methyl-Δ<sup>4</sup>-tetrahydrophthalic anhydride
  • 3-Methyltetrahydrophthalic anhydride
  • 3-Mthpa
  • 3a,4,7,7a-Tetrahydro-4-methyl-1,3-isobenzofurandione
  • 4-Cyclohexene-1,2-dicarboxylic anhydride, 3-methyl-
  • See more synonyms
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