- Formula: C8H4O3
- Molecular weight: 148.1156
- IUPAC Standard InChIKey: LGRFSURHDFAFJT-UHFFFAOYSA-N
- CAS Registry Number: 85-44-9
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: 1,3-Isobenzofurandione; ESEN; Phthalandione; Phthalic acid anhydride; Retarder AK; Retarder ESEN; Retarder PD; TGL 6525; Vulkalent B/C; 1,2-Benzenedicarboxylic anhydride; 1,3-Phthalandione; 1,2-Benzenedicarboxylic acid anhydride; 1,3-Dioxophthalan; o-Phthalic acid anhydride; Anhydride phtalique; Anidride ftalica; Ftaalzuuranhydride; Ftalowy bezwodnik; Isobenzofuran, 1,3-dihydro-1,3-dioxo-; NCI-C03601; Phthalsaeureanhydrid; Anhydrid kyseliny ftalove; Ftalanhydrid; Rcra waste number U190; Araldite HT 901; Phthalanhydride; Sconoc 7; HT 901; Isobenzofuran-1,3-dione; Retarder PX; NSC 10431
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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