Mercurous perchlorate tetrahydrate

H272 May intensify fire; oxidizer; H300 Fatal if swallowed; H310 Fatal in contact with skin; H315 Causes skin irritation; H319 Causes serious eye irritation; H330 Fatal if inhaled; H335 May cause respiratory irritation; H410 Very toxic to aquatic life with long-lasting effects.

P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking; P220 Keep/Store away from clothing/…/combustible materials; P250 Do not subject to grinding/shock/[ ]/friction; P260 Do not breathe dust/fume/gas/mist/vapors/spray; P262 Do not get in eyes, on skin, or on clothing; P280 Wear protective gloves/protective clothing/eye protection/face protection; P284 Wear respiratory protection; P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician; 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; P307+P311 IF exposed: call a POISON CENTER or doctor/physician.