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LC4932 Potassium dihydrogen phosphate anhydrous 99.995 |
Order number | Packaging | Quantity | Price € |
AC31932 | Plastic bottle | 50 g | 46.35 |
AC31932 | Plastic bottle | 500 g | 306.00 |
Product information | |
Synonyms | mono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic |
Hill Formula | H2KO4P |
Chemical formula | KH2PO4 |
HS Code | 2835 24 00 |
EC number | 231-913-4 |
Molar mass | 136.08 g/mol |
CAS number | 7778-77-0 |
Chemical and physical data | |
Solubility | 222 g/l (20 °C) |
Melting point | ca.253 °C (decomposition) |
Molar mass | 136.08 g/mol |
Density | 2.34 g/cm3 (20 °C) |
Bulk density | 1200 kg/m3 |
pH value | 4.4 (50 g/l, H2O, 20 °C) |
Safety information | |
RTECS | TC6615500 |
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). |
Transport information | |
Declaration (transport by sea) IMDG-Code | No Dangerous Good |
Declaration (transport by air) IATA-DGR | No Dangerous Good |
Toxicological data | |
LD 50 oral | LD50 rabbit > 4640 mg/kg |
Specifications | |
Purity (metallic) | ≥ 99.995 % |
Assay (acidimetric) | ≥ 99.5 % |
Spec. Absorbance A at 260 nm (2 cm, 10%, water) | ≤ 0.01 |
Chloride (Cl) | ≤ 5 ppm |
Sulphate (SO4) | ≤ 30 ppm |
As (Arsenic) | ≤ 0.1 ppm |
Ba (Barium) | ≤ 5 ppm |
Ca (Calcium) | ≤ 0.5 ppm |
Cd (Cadmium) | ≤ 0.005 ppm |
Ce (Cerium) | ≤ 0.01 ppm |
Co (Cobalt) | ≤ 0.01 ppm |
Cu (Copper) | ≤ 0.005 ppm |
Eu (Europium) | ≤ 0.01 ppm |
Fe (Iron) | ≤ 0.1 ppm |
Hg (Mercury) | ≤ 0.05 ppm |
La (Lanthanum) | ≤ 0.01 ppm |
Mg (Magnesium) | ≤ 0.5 ppm |
Mn (Manganese) | ≤ 0.01 ppm |
Na (Sodium) | ≤ 20 ppm |
Ni (Nickel) | ≤ 0.01 ppm |
Pb (Lead) | ≤ 0.005 ppm |
Sm (Samarium) | ≤ 0.01 ppm |
Sr (Strontium) | ≤ 0.5 ppm |
Tl (Thallium) | ≤ 0.01 ppm |
Y (Yttrium) | ≤ 0.01 ppm |
Yb (Ytterbium) | ≤ 0.01 ppm |
Zn (Zinc) | ≤ 0.005 ppm |