Structure via PubChem · Public domain (PubChem)
phthalic anhydride
Sign in to saveAlso known as 2-benzofuran-1,3-dione, isobenzofuran-1,3-dione, 1,2-benzenedicarboxylic anhydride, PAN, phthalic acid anhydride, 1,3-dioxophthalan, 1,2-benzenedicarboxylic acid anhydride, o-phthalic acid anhydride
chemical compound
Chemical data
- Formula
- C8H4O3
- Molecular weight
- 148.11 g/mol
- IUPAC name
- 2-benzofuran-1,3-dione
- SMILES
- C1=CC=C2C(=C1)C(=O)OC2=O
- InChIKey
- LGRFSURHDFAFJT-UHFFFAOYSA-N
- XLogP
- 1.3
- Polar surface area
- 43.4 Ų
- H-bond donors
- 0
- H-bond acceptors
- 3
- Formal charge
- 0
via PubChem
Research
1,271 papers- Phthalic anhydride: Illustrating a conundrum in chemical allergy.Journal of immunotoxicology · 2016
- Phthalic anhydride esterified chicha gum: characterization and antibacterial activity.Carbohydrate polymers · 2021
- Phthalic anhydride-induced occupational asthma.International archives of allergy and applied immunology · 1986
- Phthalic anhydride allergy: development and characterization of optimized hapten-carrier conjugates for improved diagnosis.Allergy · 2002
- Phthalic anhydride-induced skin inflammation is augmented in KLF10-deficient mice.Journal of dermatological science · 2013
via PubMed
Wikidata facts
- Has part
- carbon
- Mass
- 148.016
Show 16 more facts
- canonical SMILES
- C1=CC=C2C(=C1)C(=O)OC2=O
- density
- 1.20
- NIOSH Pocket Guide ID
- 0512
- upper flammable limit
- 10.5
- immediately dangerous to life or health
- 60
- melting point
- 130.8
- boiling point
- 295
- vapor pressure
- 0.0015
- flash point
- 305
- solubility
- 0.6
- lower flammable limit
- 1.7
- ionization energy
- 10
- time-weighted average exposure limit
- 12
- chemical formula
- C₈H₄O₃
- Commons category
- Phthalic anhydride
- found in taxon
- Ligusticum striatum
via Wikidata · CC0
~7 min read
Encyclopedic overview
Names
Preferred IUPAC name 2-Benzofuran-1,3-dione
Excerpted from Wikipedia’s “phthalic anhydride” article, available under the CC BY-SA 4.0 licence.