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LC785 3,3′,4,4′-Benzophenonetetracarboxylic dianhydride
for synthesis

 

Order number Packaging Quantity Price €
AC27785 Glass bottle 250 g 46.80

 

Product information
Synonyms Bis-(3-phthalyl anhydride) ketone
Hill Formula C17H6O7
HS Code 2918 30 00
EC number 219-348-1
Molar mass 322.23 g/mol
EC index number 607-100-00-9
CAS number 2421-28-5

 

Chemical and physical data
Ignition temperature 505 °C
Solubility 19 g/l (20 °C) Hydrolysis
Melting point 220 – 223 °C
Molar mass 322.23 g/mol
Bulk density 550 kg/m3
pH value 1.5 (10 g/l, H2O, 20 °C)
Boiling point 320 °C (4 hPa)
Explosion limit 4.2 – 16 %(V)
Flash point 324 °C

 

Safety information
R Phrase R 36/37
Irritating to eyes and respiratory system.
S Phrase S 25
Avoid contact with eyes.
Categories of danger irritant
Hazard Symbol Irritant
Storage class 8 A Combustible substances, corrosive
WGK WGK 3 highly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

 

Transport information
Declaration (transport by sea) IMDG-Code UN 3261 CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.(3,3,4,4-BENZOPHENONE TETRACARBONACID DIANHYDRIDE), 8, III, Segregation Group: 1 (Acids)
Declaration (transport by air) IATA-DGR UN 3261 CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.(3,3,4,4-BENZOPHENONE TETRACARBONACID DIANHYDRIDE), 8, III

 

Specifications
Assay (morpholine method) ≥ 97 %
Melting range
– lower value
≥ 220 °C
– upper value ≤ 223 °C
Identity (IR) passes test

 

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