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Phthalic anhydride

Catalog No. A14955 Name Alfa Aesar
CAS Number 85-44-9 Website
M. F. C8H4O3 Telephone
M. W. 148.11556 Fax
Purity 99% Email
Storage Chembase ID: 103476

SYNONYMS

Title
邻苯二甲酸酐
IUPAC name
1,3-dihydro-2-benzofuran-1,3-dione
IUPAC Traditional name
phthalic anhydride
Synonyms
Benzene-1,2-dicarboxylic anhydride
2,5-Isobenzofurandione

DATABASE IDS

MDL Number MFCD00005918
Beilstein Number 118515
Merck Index 147372
CAS Number 85-44-9
EC Number 201-607-5

PROPERTIES

Purity 99%
Boiling Point 295°C subl.
Density 1.53
Flash Point 152°C(305°F)
Melting Point 130-134°C
GHS Pictograms GHS05
GHS Pictograms GHS07
GHS Pictograms GHS08
GHS Hazard statements H334-H317-H318-H315-H302-H335
European Hazard Symbols X
GHS Precautionary statements P285-P305+P351+P338-P302+P352-P321-P405-P501A
Risk Statements 22-37/38-41-42/43
RTECS TI3150000
Safety Statements 23-24/25-26-37/39-46
Storage Warning Moisture Sensitive
TSCA Listed
Hazard Class 8
UN Number UN2214
Packing Group III

DETAILS

REFERENCES

  • Can be used for the dehydration of nitro aldols to nitroalkenes; see, e.g.: Org. Synth. Coll., 7, 396 (1990).
  • For examples of formation of phthalimides from amines, see: Org. Synth. Coll., 4, 106 (1963); 5, 973 (1973). As an alternative to hydrazinolysis, ɑ-amino acids can also be quantitatively recovered from their phthaloyl derivatives by prolonged reaction with aqueous methylamine at room temperature: Can. J. Chem., 48, 3572 (1970).
  • Reaction with H2O2 gives monoperphthalic acid, useful in peroxidation reactions; see, e.g.: Org. Synth. Coll.,3, 619 (1955); 5, 805 (1973). With urea hydrogen peroxide, provides a superior system for converting N-heteroaromatics and tert-amines to their N-oxides: Chem. Ber., 125, 1965 (1992)