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LC5145 Potassium hydrogen diiodate
for analysis EMSURE


Order number Packaging Quantity Price €
AC32145 Glass bottle 50 g  42.30


Product information
Synonyms Potassium biiodate
Hill Formula HI2KO6
Chemical formula KH(IO3)2
HS Code 2829 90 80
EC number 236-650-9
Molar mass 389.91 g/mol
CAS number 13455-24-8


Chemical and physical data
Solubility 13 g/l (15 °C)
Molar mass 389.91 g/mol
Bulk density 1750 kg/m3
pH value 1 – 2 (50 g/l, H2O, 20 °C)


Safety information according to GHS
Hazard Statement(s) H272: May intensify fire; oxidiser.
H290: May be corrosive to metals.
H314: Causes severe skin burns and eye damage.
Precautionary Statement(s) P280: Wear protective gloves/protective clothing/eye protection/face protection.
P301 + P330 + P331: IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
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
Hazard Pictogram(s)
Storage class 5.1 B Oxidizing agents (TRG 515 Group 2+3)
WGK WGK 1 slightly water endangering
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.


Safety information
R Phrase R 8-34
Contact with combustible material may cause fire.Causes burns.
S Phrase S 26-36/37/39-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger oxidizing, corrosive
Hazard Symbol Oxidising
Storage class 3 Flammable Liquids
WGK WGK 1 slightly water endangering
Disposal 9
Carcinogenic compounds and flammable compounds labelled “Highly toxic” or “Toxic”: container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).


Transport information
Declaration (transport by sea) IMDG-Code UN 3085 OXIDIZING SOLID, CORROSIVE, N.O.S.(POTASSIUM HYDROGEN DI-IODATE), 5.1 (8), II, Segregation Group: 1 (Acids)


Assay(acidimetric) ≥ 99.8 %
Chloride, Chlorate, Bromide, Bromate (as Cl) ≤ 0.02 %
Total nitrogen (N) ≤ 0.002 %
Heavy metals (as Pb) ≤ 0.001 %
Fe (Iron) ≤ 0.0005 %