Ethyl dichlorophosphite is used in the synthesis of peptide derivatives. It is used as an anhydride forming reagent.
Young RW, et al. The Use of Phosphorous Acid Chlorides in Peptide Synthesis1.J. Am. Chem. Soc.195678(10), 2126-2131.
Teruaki Mukaiyama, et al. The Preparation of 2-Alkoxy-1,3,2-oxazaphospholidines and Some Reactions.Bull. Chem. Soc. Jpn.196639(6), 1297-1301.
Hazard Statements: H225-H314-H318
Highly flammable liquid and vapour. Causes severe skin burns and eye damage. Causes serious eye damage.
Precautionary Statements: P210-P260u-P303+P361+P353-P305+P351+P338-P405-P501a
Keep away from heat/sparks/open flames/hot surfaces. - No smoking. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.