Ytterbium

H228 Flammable solid; H260 In contact with water releases flammable gases which may ignite spontaneously; H302 Harmful if swallowed; H312 Harmful in contact with skin; H315 Causes skin irritation; H319 Causes serious eye irritation; H332 Harmful if inhaled; H335 May cause respiratory irritation.

P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking; P223 Keep away from any possible contact with water, because of violent reaction and possible flash fire; P231+P232 Handle under inert gas. Protect from moisture; P240 Ground/bond container and receiving equipment; P241 Use explosion-proof electrical/ventilating/lighting/[ ]/equipment; P261 Avoid breathing dust/fume/gas/mist/vapors/spray; P280 Wear protective gloves/protective clothing/eye protection/face protection; P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell; P302+P352 IF ON SKIN: wash with plenty of soap and water; P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing; P402+P404 Store in a dry place. Store in a closed container.