Name: Phthalic anhydride
CAS: 85-44-9
Synonyms: 1,2-BENZENEDICARBONIC ACID, ANHYDRIDE
1,2-BENZENE DICARBOXYLIC ACID ANHYDRIDE
1,3-DIOXOPHTHALAN
1,3-DIOXOPHTHALANE
1,3-ISOBENZOFURANDIONE
1,3-ISOBENZOFURANIDONE
AKOS BBS-00004337
O-PHTHALIC ANHYDRIDE
PHTHALANDIONE
PHTHALIC ACID ANHYDRIDE
PHTHALIC ANHYDRIDE
1,2-Benzenedicarboxylic Anhydride
1,2-benzenedicarboxylicanhydride
1,3-dihydro-1,3-dioxo-isobenzofura
1,3-dihydro-1,3-dioxoisobenzofuran
1,3-phthalandion
1,3-Phthalandione
2-Benzofuran-1,3-dione
Anhydrid kyseliny ftalove
Anhydride phtalique
Molecular Formula: C8H4O3
Molecular Weight: 148.12
Appearance: Phthalic Anhydride is moderately flammable, white solid (flake) or a clear, colorless, mobile liquid (molten) Characteristic, acrid, choking odor
Appearance: white crystalline solid with choking odour
Melting point: 131-134 °C(lit.)
mp: 131-134 °C(lit.)
Boiling point: 284 °C(lit.)
bp: 284 °C(lit.)
density: 1,53 g/cm3
vapor density: 5.1 (vs air)
vapor pressure: <0.01 mm Hg ( 20 °C)
refractive index: 1.4500 (estimate)
Fp: 152 °C
storage temp.: Store at RT.
solubility: 6g/l (slow decomposition)
form: Flaky Crystals
color: White
Stability: Stable. Combustible. Incompatible with strong oxidizing agents, strong bases, moisture, strong acids. Dust may form an explosive mixture with air.
Odor: Characteristic choking odor
PH: 2 (6g/l, H2O, 20℃)
PH Range: 2 at 6 g/l at 20 °C
explosive limit: 1.7-10.5%(V)
Water Solubility: 6 g/L (20 ºC)
Sensitive: Moisture Sensitive
Merck: 14,7372
