262463
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262463
Aldrich
Benzophenone-3,3′,4,4′-tetracarboxylic dianhydride
purified by sublimation, 96%
| Synonym: | 4,4′-Carbonyldiphthalic anhydride |
| CAS Number: | 2421-28-5 |
| Linear Formula: | C17H6O7 |
| Molecular Weight: | 322.23 |
| Beilstein Registry Number: | 761777 |
| EC Number: | 219-348-1 |
| MDL number: | MFCD00005923 |
| PubChem Substance ID: | 24855743 |
Description
| Packaging | 5, 25 g in glass btl |
Properties
| vapor density | 1.4 (vs air) |
| vapor pressure | <0.1 mmHg ( 0 °C) |
| assay | 96% |
| autoignition temp. | 975 °F |
| purified by | sublimation |
| expl. lim. | 16 % |
| mp | 218-222 °C(lit.) |
Safety
| Personal Protective Equipment | dust mask type N95 (US), Eyeshields, Gloves |
| Hazard Codes | Xi |
| Risk Statements | 36/37 |
| Safety Statements | 25 |
| WGK Germany | 1 |
| UEL | 16.00%(V) |
| LEL | 4.20%(V) |
References
| reference | Aldrich MSDS 1, 163:B / Corp MSDS 1 (1), 365:C / FT-IR 1 (2), 333:B / FT-IR 2 (2), 2926:B / IR-Spectra (3), 1051:E / IR-Spectra (2), 919:D / NMR-Reference 2 (2), 317:C / RegBook 1 (2), 1957:L / Structure Index 1, 315:C:3 |
