▁conditions ▁it ▁will ▁give ▁off ▁to xic ▁f umes . ▁ ▁According ▁to ▁OS HA , ▁mag nes ium ▁ox al ate ▁is ▁considered ▁to ▁be ▁ha z ard ous . ▁ ▁References ▁ ▁See ▁also ▁ ▁ox al ic ▁acid ▁ ▁Category : O x al ates ▁Category : M agn es ium ▁comp ounds <0x0A> </s> ▁Henry ▁S we ar ingen ▁( c . 1 7 9 2 – 1 8 4 9 ) ▁was ▁a ▁U . S . ▁Represent ative ▁from ▁Ohio . ▁ ▁Born ▁in ▁the ▁Pan handle ▁of ▁Virginia , ▁S we ar ingen ▁moved ▁to ▁Ohio ▁and ▁settled ▁near ▁Ste uben ville . ▁He ▁served ▁as ▁Sher iff ▁of ▁Jefferson ▁County , ▁Ohio ▁during ▁ 1 8 2 4 – 1 8 2 8 ▁and ▁ 1 8 3 0 – 1 8 3 2 . ▁ ▁S we ar ingen ▁was ▁elected ▁as ▁a ▁Dem ocrat ▁to ▁the ▁Tw enty - fif th ▁Congress ▁to ▁fill ▁the ▁vac ancy ▁caused ▁by ▁the ▁res ignation ▁of ▁Daniel ▁Kil g ore . ▁He ▁was ▁re elect ed ▁to ▁the ▁Tw enty - six th ▁Congress ▁and ▁served ▁from ▁December ▁ 3 , ▁ 1 8 3 8 , ▁to ▁March ▁ 4 , ▁ 1 8 4 1 . ▁He ▁died ▁on ▁board ▁ship ▁while ▁en ▁route ▁to ▁his ▁home ▁from ▁the ▁State ▁of ▁California ▁and ▁was ▁buried ▁at ▁sea . ▁ ▁S ources ▁ ▁External ▁links ▁▁▁▁ ▁Category : 1 7 9 0 s ▁birth s