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MERCK

MERCK 104994.0250 Potassium Fluoride Extra Pure (SD.M.104994.0250)

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MERCK 104994.0250 Potassium Fluoride Extra Pure


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 (25 °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 Pictogram(s)
Hazard Statement(s) H301 + H311 + H331: Toxic if swallowed, in contact with skin or if inhaled.
H318: Causes serious eye damage.
Precautionary Statement(s) P261: Avoid breathing dust.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P301 + P310: IF SWALLOWED: Immediately call a POISON CENTER/doctor.
P302 + P352 + P312: IF ON SKIN: Wash with plenty of water. Call a POISON CENTER/doctor if you feel unwell.
P304 + P340 + P311: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word Danger
RTECS TT0700000
Storage class 6.1D Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing 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
Categories of danger toxic
Storage and Shipping Information
Storage Store at +2°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 %
Global Trade Item Number
Catalogue Number GTIN
1049940250 04022536059068
1049941000 04022536059075
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