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Phthalic Anhydride

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Phthalic Anhydride
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Phthalic Anhydride

Молекулалық формулаC8H4O3 CAS85-44-9 Молекулалық салмақ148.11 g/mol
Синонимдер1,3-Isobenzofurandione, PA
Safety & Hazards (GHS) Danger
Corrosive Corrosive Irritant Irritant Health hazard Health hazard

⚠️ For information only; not a substitute for the official Safety Data Sheet (SDS).

Phthalic Anhydride is supplied as white flakes or molten. It is a major intermediate for plasticizers and resins.
- Plasticizers: Production of phthalate and other ester plasticizers. - Resins: Raw material for alkyd and unsaturated polyester resins. - Dyes & Pigments: Intermediate for phthalocyanine pigments. - Chemical Industry: Intermediate.
AppearanceWhite lustrous needles or flakes
OdorMild odor
Molecular FormulaC8H4O3
Molecular Weight148.11 g/mol
Melting Point131.4 °C
Boiling Point285.3 °C
Density1.53 g/cm³
SolubilityReacts slowly with water
Flash Point152 °C (closed cup)
IUPAC Name2-benzofuran-1,3-dione
Молекулалық формулаC8H4O3
Молекулалық салмақ148.11 g/mol
SMILESC1=CC=C2C(=C1)C(=O)OC2=O
InChIKeyLGRFSURHDFAFJT-UHFFFAOYSA-N
  • H302 Harmful if swallowed
  • H315 Causes skin irritation
  • H317 May cause an allergic skin reaction
  • H318 Causes serious eye damage
  • H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
  • H335 May cause respiratory irritation

⚠️ For information only; not a substitute for the official SDS.

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