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LC4942 Potassium fluoride
for analysis EMSURE


Order number Packaging Quantity Price €
AC31942 Plastic bottle 250 g 26.33
AC31942 Plastic bottle 1 kg 70.2


Product information
Hill Formula FK
Chemical formula KF
HS Code 2826 19 90
EC number 232-151-5
Molar mass 58.1 g/mol
EC index number 009-005-00-2
CAS number 7789-23-3


Chemical and physical data
Solubility 923 g/l (20 °C)
Melting point 860 °C
Molar mass 58.1 g/mol
Density 2.48 g/cm3 (20 °C)
Bulk density 400 kg/m3
pH value 7 – 9 (50 g/l, H2O, 18 °C)
Boiling point 1500 °C (1013 hPa)
Vapor pressure 1.3 hPa (885 °C)


Safety information
Hazard Statement(s) H331: Toxic if inhaled.
H311: Toxic in contact with skin.
H301: Toxic if swallowed.
Precautionary Statement(s) P280: Wear protective gloves/protective clothing.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
Signal Word Danger
Hazard Pictogram(s)
RTECS TT0700000
Storage class Non combustible substances, toxic
WGK WGK 1 slightly water endangering
Disposal 23
Hydrogen fluoride and inorganic fluorides as well as solutions thereof must be handled with extreme caution. Do not permit contact of any kind under any circumstances and be sure to work under an efficient fume cupboard with the front screen closed. Residues dissolved in water can be precipitated as calcium fluoride. Solids or precipitate: container I; filtrate: container D or E.


Safety information
R Phrase R 23/24/25
Toxic by inhalation, in contact with skin and if swallowed.
S Phrase S 26-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger toxic
Hazard Symbol



Transport information
Declaration (transport by sea) IMDG-Code UN 1812 POTASSIUM FLUORIDE, SOLID, 6.1, III
Declaration (transport by air) IATA-DGR UN 1812 POTASSIUM FLUORIDE, SOLID, 6.1, III


Toxicological data
LD 50 oral LD50 rat 245 mg/kg


Assay (precipitative titration) ≥ 99 %
Free alkali (as KOH) ≤ 0.05 %
Free acid (as HF) ≤ 0.05 %
Chloride (Cl) ≤ 0.005 %
Hexafluorosilicate (SiF6) ≤ 0.05 %
Sulphate (SO4) ≤ 0.005 %
Heavy metals (as Pb) ≤ 0.001 %
Fe (Iron) ≤ 0.001 %