Potassio cloruro, Pharmpur®, Ph Eur, BP, USP

- Synonyms: Chloro potassium
- KCl
- M = 74,56 g/mol
- CAS [7447-40-7]
- EINECS-No.: 231-211-8
- Solub. in water: (20 ºC): 330 g/l
- Melting point: 773 ºC
- Boiling point: 1413 ºC
- LD 50 (oral, rat): 2600 mg/kg
- Tariff number: 3104 20 90 00
- Applications: analytical chemistry, laboratory reagent, photography, in buffer solutions, electrolyte for batteries.

SPECIFICATIONS
assay (argentometric, on dried sample): 99,0 - 100,5 %
assay (argentometric, on dried sample) : 99,0 - 101,0 %
Identification potassium EP: passes test
Identification chloride EP: passes test
Identification potassium USP: passes test
Identification chloride USP: passes test
appearance of solution: clear and colourless
acidity or alkalinity (EP): passes test
acidity or alkalinity (USP): passes test
bromides (Br) EP: max. 0,1 %
bromides (Br) USP: max. 0,1 %
iodides (I): max. 0,005 %
iodides (I): passes test
sulfates (SO4): max. 300 ppm
barium (Ba): passes test
iron (Fe): max. 20 ppm
magnesium and alkaline-earth metals (as Ca): max. 200 ppm
calcium and magnesium: passes test
sodium (Na): passes test
loss on drying (105 °C, 2h): max. 1,0 %
loss on drying (105 ºC, 3 h): max. 1,0 %