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PHTHALIC ANHYDRIDE
Weight148.117 g/mol
FormulaC8H4O3
Hydrogen Acceptors3
Hydrogen Donors0
Aromatic Rings1
Rotatable Bonds0

PHTHALIC ANHYDRIDE (68411-80-3, 85-44-9)

phthalic acid anhydride  ·  1,3-isobenzofurandione  ·  1,2-benzenedicarboxylic anhydride

Score: #115 in Physics , #323 in Chemistry
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Areas of Application

Safety

  • H302: Harmful if swallowed
    Warning Acute toxicity, oral - Category 4
  • H317: May cause an allergic skin reaction
    Warning Sensitization, Skin - Category 1
  • H319: Causes serious eye irritation
    Warning Serious eye damage/eye irritation - Category 2A
  • H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled
    Danger Sensitization, respiratory - Category 1
  • H335: May cause respiratory irritation
    Warning Specific target organ toxicity, single exposure; Respiratory tract irritation - Category 3

Trends

Alternate Names

  • phthalic acid anhydride
  • 1,3-isobenzofurandione
  • 1,2-benzenedicarboxylic anhydride
  • phthalic anhydride, 14C-labeled cpd
  • SMILES
    C1=CC=C2C(=C1)C(=O)OC2=O
  • InChIKey
    LGRFSURHDFAFJT-UHFFFAOYSA-N

Estimated Properties

Boiling Point 293.43 C EPA T.E.S.T.
Density 1.46 g/cm3 EPA T.E.S.T.
Flash Point 132.25 C EPA T.E.S.T.
Water Solubility 128.09 mg/L EPA T.E.S.T.

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