Manganese

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; H371 May cause damage to organs.

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; P260 Do not breathe 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; P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing; P332+P313 IF SKIN irritation occurs: Get medical advice/attention.