COA Center




Iodic(V) acid

Article No. 04198 Grade AR
Purity 99.5% CAS No. 7782-68-5
Molecular Formula HIO3 Molecular Weight 175.91
H.S. Code 2811.1990 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Melting point/ Freezing point [°C] 110 °C Density [g/cm3] 4.629
Solubility in water [% weight] Soluble in water


Appearance White to Off-White or Pale Yellow Crystals or Crystalline Powder and/or Chunks Assay 99.5 - 100.2%
Insoluble matter in water Passes test Sulphated ash Max 0.05%
Chloride & bromide (as Cl) Max 0.01% Iodide (I) Max 0.0005%
Nitrogen compounds (as N) Max 0.005% Sulphate (SO4) Max 0.02%
Copper (Cu) Max 0.001% Iron (Fe) Max 0.001%
Lead (Pb) Max 0.001%

Safety Information and Hazard Symbols

Flame Over Circle Corrosion
Symbol: GHS03, GHS05
Signal Word: Danger
UN No.: 3085
IMCO Class No.: 5.1(8)
Packing Group: II
Hazardous Statement: H272-H314
Precaution Statement: P220-P280-P305 + P351 + P338-P310
Revision Date: 26-May-2016

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