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LC4900 Potassium iodide for analysis EMSURE |
Order number | Packaging | Quantity | Price € |
AC31900 | Plastic bottle | 250 g | 54.45 |
AC31900 | Plastic bottle | 500 g | 93.30 |
AC31900 | Plastic bottle | 1 kg | 179.10 |
AC31900 | Plastic bottle | 2.5 kg | 356.40 |
AC31900 | Fibre carton | 50 kg | inquire |
Product information | |
Hill Formula | IK |
Chemical formula | KI |
HS Code | 2827 60 00 |
EC number | 231-659-4 |
Molar mass | 166.00 g/mol |
CAS number | 7681-11-0 |
Chemical and physical data | |
Solubility | 1430 g/l (20 °C) |
Melting point | 723 °C |
Molar mass | 166.00 g/mol |
Density | 3.13 g/cm3 (20 °C) |
Bulk density | 1500 kg/m3 |
pH value | 6.9 (50 g/l, H2O, 20 °C) |
Boiling point | 1325 °C |
Vapor pressure | 1.3 hPa (745 °C) |
Safety information | |
RTECS | TT2975000 |
Storage class | 10 – 13 Other liquids and solids |
WGK | WGK 1 slightly water endangering |
Disposal | 14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535). |
Toxicological data | |
LD 50 oral | LD50 rat 2779 mg/kg |
Specifications | |
Assay – argentometric |
≥ 99.5 % |
– argentometric; calculated on dried substance | 99.5 – 100.5 % |
Identity | passes test |
Appearance of solution | passes test |
Alkaline impurities | passes test |
pH-value (5 %; water) | 6 – 8 |
Chloride and Bromide (as Cl) | ≤ 0.01 % |
Iodate (IO3) | ≤ 0.0005 % |
Phosphate (PO4) | ≤ 0.001 % |
Sulphate (SO4) | ≤ 0.001 % |
Thiosulphate (S2O3) | passes test |
Total nitrogen (N) | ≤ 0.001 % |
Heavy metals (as Pb) | ≤ 0.0005 % |
As (Arsenic) | ≤ 0.00001 % |
Ba (Barium) | ≤ 0.002 % |
Ca (Calcium) | ≤ 0.001 % |
Cu (Copper) | ≤ 0.0002 % |
Fe (Iron) | ≤ 0.0002 % |
Mg (Magnesium) | ≤ 0.001 % |
Na (Sodium) | ≤ 0.03 % |
Pb (Lead) | ≤ 0.0002 % |
Reducing substances | passes test |
Loss on drying (105 °C) | ≤ 0.1 % |