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.
Physicochemical Information
Density
3.98 g/cm3 (20 °C)
Melting Point
560 °C decomposes
pH value
6 (50 g/l, H₂O, 20 °C)
Bulk density
2000 kg/m3
Solubility
92 g/l
Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)
H272: May intensify fire; oxidizer.
H302: Harmful if swallowed.
H318: Causes serious eye damage.
Precautionary Statement(s)
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.
Signal Word
Danger
RTECS
NN1350000
Storage class
5.1B Oxidizing hazardous materials
WGK
WGK 3 highly hazardous to water
Disposal
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.