P305+P351+P338：IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P309：IF exposed or if you feel unwell:
Description
The use of pentafluoropropionic anhydride, trifluoromethylbenzoyl chloride and pentafluorobenzoyl chloride gave fluoro-chitin derivatives with 40, 10 and 5% substitution, respectively. Fluorination of chitin was achieved by facile homogenous reaction of chitin solution with diethyl amino sulfur trifluoride.
