Potassium iodate volumetric standard, secondary reference material for iodometry, traceable to NIST SRM Certipur®. Potassium iodate CAS No. 7758-05-6, EC Number 231-831-9.
3.98 g/cm3 (20 °C)
560 °C decomposes
6 (50 g/l, H₂O, 20 °C)
Safety Information according to GHS
H272: May intensify fire; oxidizer. H302: Harmful if swallowed. H318: Causes serious eye damage.
P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P220: Keep away from clothing and other combustible materials. P264: Wash skin thoroughly after handling. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
5.1B Oxidizing hazardous materials
WGK 3 highly hazardous to water
22 Inorganic peroxides and oxidants as well as bromine and iodine should be rendered harmless by reduction with acidic sodium thiosulfate solution (Cat. No. 106513); container D or E. Slightly soluble oxidants should be collected separately in container E or I.