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CAS 19438-61-0

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4-Methylphthalic anhydride

Description:
4-Methylphthalic anhydride is an organic compound characterized by its anhydride functional group derived from phthalic acid. It appears as a white to light yellow crystalline solid and is known for its reactivity, particularly in forming adducts with nucleophiles due to the electrophilic nature of the anhydride carbonyl groups. This compound is primarily used in the synthesis of various polymers, resins, and as a chemical intermediate in the production of dyes and pharmaceuticals. It has a relatively high melting point and is soluble in organic solvents such as acetone and ethyl acetate, but is insoluble in water. The compound is also recognized for its potential health hazards; it can be an irritant to the skin, eyes, and respiratory system, necessitating appropriate safety measures during handling. Additionally, 4-Methylphthalic anhydride is classified under various regulatory frameworks, which may impose restrictions on its use and require safety data sheets to ensure safe handling practices.
Formula:C9H6O3
InChI:InChI=1/C9H6O3/c1-5-2-3-6-7(4-5)9(11)12-8(6)10/h2-4H,1H3
InChI key:InChIKey=ZOXBWJMCXHTKNU-UHFFFAOYSA-N
SMILES:O=C1C=2C(C(=O)O1)=CC=C(C)C2
Synonyms:
  • 1,3-Isobenzofurandione, 5-methyl-
  • 4-Methylphthalic acid anhydride
  • 5-Methyl-1,3-isobenzofurandione
  • 5-Methyl-2-Benzofuran-1,3-Dione
  • 5-Methylisobenzofuran-1,3-dione
  • Phthalic anhydride, 4-methyl-
  • 4-Methylphthalic anhydride
  • Ethyl-2-benzofuran
  • 4-METHYLPHTHALIC ANHYDRIDE 95+%
  • 4-Methylphalic Anhydride
  • See more synonyms
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