Ammonia carbonyl difluoride

Before handling carbonyl difluoride, personnel should be equipped with suitable leak detection equipment and HF Antidote Gel (see Section 13.1.5). A solution of concentrated aqueous ammonia enables the detection of leaks by forming copious white fumes on contact of the respective vapours. Larger leaks are apparent from the formation of white fumes resulting from the hydrolysis of the COFj in moist air, and from the detection of the irritating and pungent odour. Any areas of equipment exposed to a COFj leakage should be cleaned up to remove any acid formed. 

Unfortunately, the dearth of experimental data means that this reactivity ordering must remain in the realm of speculation. However, the addition of ammonia to formaldehyde and to carbonyl difluoride inter alia) has been modelled, by ab initio methods, by Yamataka et al. [2226aaj. These authors expected (on the basis of the calculated x (CO) energy levels) that COFj should be less reactive than COHj (as indicated above) but calculated the reverse reactivity order. They suggest that the reactivity of COFj may be controlled by the large... 

Beryllium complexes, 3 amines, 7 anionic, 10 hydrates, 6 phthalocyanine, 59 poly carboxylic acid, 33 Schiff bases, 28 Beryllium dichloride ether complexes, 8 Beryllium difluoride ammine complexes, 7 Beryllium dihalides sulfide complexes, 10 Beryllium halides amine complexes, 8 ammonia complexes, 7 carbonyl complexes, 9 Beryllium nitrate basic, 32... 

---