Merck 104994 Potassium Fluoride for analysis EMSURE® CAS No.: 7789-23-3 250 gr

Merck 104994 Potassium Fluoride for analysis EMSURE® CAS No.: 7789-23-3 250 gr

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U41AW1JR3G
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MERCK 104994
Potassium fluoride for analysis EMSURE®
 
Description
Catalogue Number 104994
Product Information
CAS number 7789-23-3
EC index number 009-005-00-2
EC number 232-151-5
Grade ACS
Hill Formula FK
Chemical formula KF
Molar Mass 58.1 g/mol
HS Code 2826 19 90
Quality Level MQ300
Physicochemical Information
Boiling point 1505 °C (1013 hPa)
Density 2.48 g/cm3 (20 °C)
Melting Point 846 °C
pH value 8 - 9 (50 g/l, H₂O, 20 °C)
Vapor pressure 1.3 hPa (885 °C)
Bulk density 400 kg/m3
Solubility 923 g/l
Toxicological Information
LD 50 oral LD50 Rat 245 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Statement(s) H301 + H311 + H331: Toxic if swallowed, in contact with skin or if inhaled.
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.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Signal Word Danger
RTECS TT0700000
Storage class 6.1 D Non combustible, acute toxicity cat. 3 / toxic or substances with chronic effects
WGK WGK 1 slightly hazardous to water
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
Hazard Symbols Hazard SymbolsToxic
Categories of danger toxic
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).
Storage and Shipping Information
Storage Store at +5 °C to +30 °C.
Transport Information
Declaration (railroad and road) ADR, RID UN 1812 , 6.1, III
Declaration (transport by air) IATA-DGR UN 1812 , 6.1, III
Declaration (transport by sea) IMDG-Code UN 1812 , 6.1, III
Specifications
Assay (precipitative titration) ≥ 99.0 %
Free alkali (as KOH) ≤ 0.05 %
Free acid (as HF) ≤ 0.05 %
Chloride (Cl) ≤ 0.005 %
Hexafluorosilicate (SiF₆) ≤ 0.05 %
Sulfate (SO₄) ≤ 0.005 %
Heavy metals (as Pb) ≤ 0.001 %
Fe (Iron) ≤ 0.001 %
Na (Sodium) ≤ 0.2 %
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Merck 104994 Potassium Fluoride for analysis EMSURE® CAS No.: 7789-23-3 250 gr U41AW1JR3G
Merck 104994 Potassium Fluoride for analysis EMSURE® CAS No.: 7789-23-3 250 gr

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