(D,L)-(+,-)-2-Amino-4-(diethylphosphono)butanoic acid, ethyl ester

Chemical Hazard: Irritant/Hygroscopic/Store under Argon
GHS
Hazard Statements: H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
Precautionary Statements: P261: Avoid breathing {{{0|||message=<specify applicable conditions>|||default=dust/fume/gas/mist/vapours/spray|||filter=(_)?P261_INHAL_CONDITION_.+}}}. P271: Use only outdoors or in a well-ventilated area. P280: Wear {{{0|||message=<specify protection eq: hazard.P261: Avoid breathing {{{0|||message=<specify applicable conditions>|||default=dust/fume/gas/mist/vapours/spray|||filter=(_)?P261_INHAL_CONDITION_.+}}}. P271: Use only outdoors or in a well-ventilated area. P280: Wear {{{0|||message=<specify protection eq