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3,3',4,4'-Benzophenonetetracarboxylic dianhydride_Molecular_structure_CAS_2421-28-5)
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3,3',4,4'-Benzophenonetetracarboxylic dianhydride

Catalog No. A16529 Name Alfa Aesar
CAS Number 2421-28-5 Website
M. F. C17H6O7 Telephone
M. W. 322.22534 Fax
Purity 97+% Email
Storage Chembase ID: 111656

SYNONYMS

Title
3,3',4,4'-苯甲酮四羧酸二酐
IUPAC name
5-(1,3-dioxo-1,3-dihydro-2-benzofuran-5-carbonyl)-1,3-dihydro-2-benzofuran-1,3-dione
IUPAC Traditional name
5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione
Synonyms
BTDA
4,4'-Carbonyldiphthalic anhydride

DATABASE IDS

Beilstein Number 761777
EC Number 219-348-1
MDL Number MFCD00005923
CAS Number 2421-28-5

PROPERTIES

Purity 97+%
Boiling Point 320°C/5mm
Density 1.570
Flash Point 324°C(615°F)
Melting Point 220-226°C
GHS Pictograms GHS07
GHS Hazard statements H319-H335
European Hazard Symbols Irritant Irritant (Xi)
GHS Precautionary statements P261-P280-P305+P351+P338-P304+P340-P405-P501A
Risk Statements 36/37
Safety Statements 25
Storage Warning Moisture Sensitive
TSCA Listed

DETAILS

REFERENCES