Merck 100334 0500 Hydrofluoric Acid %48 for Analysis Emsure 500 ML.

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Description
Catalogue Number	100334
Synonyms	Hydrofluoric acid solution, Fluoric acid

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Product Information
CAS number	7664-39-3
Grade	ACS,ISO,Reag. Ph Eur
HS Code	2811 11 00
Quality Level	MQ300

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Physicochemical Information
Density	1.16 g/cm3 (20 °C)
Melting Point	-35 °C
pH value	2 (H₂O, 20 °C)

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Safety Information according to GHS
Hazard Pictogram(s)	\n\n
Hazard Statement(s)	H300 + H310 + H330: Fatal if swallowed, in contact with skin or if inhaled.\nH314: Causes severe skin burns and eye damage.
Precautionary Statement(s)	P260: Do not breathe mist or vapours.\nP271: Use only outdoors or in a well-ventilated area.\nP280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.\nP303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.\nP304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.\nP305 + 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
Storage class	6.1B Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK	WGK 2 obviously hazardous to water
Disposal	23\nHydrogen 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.

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Safety Information
Categories of danger	very toxic, corrosive

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Storage and Shipping Information
Storage	Store at +2°C to +30°C.

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Transport Information
Declaration (railroad and road) ADR, RID	UN 1790 , 8 (6.1), II
Declaration (transport by air) IATA-DGR	UN 1790 , 8 (6.1), II
Declaration (transport by sea) IMDG-Code	UN 1790 , 8 (6.1), II, Segregation Group: 1 (Acids)

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Specifications
Assay (acidimetric)	48.0 - 51.0 %
Color	≤ 10 Hazen
Chloride (Cl)	≤ 1 ppm
Hexafluorosilicate (SiF₆)	≤ 50 ppm
Nitrate (NO₃)	≤ 5 ppm
Phosphate (PO₄)	≤ 0.5 ppm
Sulfate and sulphite (as SO₄)	≤ 5 ppm
Heavy metals (as Pb)	≤ 0.5 ppm
Ag (Silver)	≤ 0.020 ppm
Al (Aluminium)	≤ 0.050 ppm
As (Arsenic)	≤ 0.030 ppm
Au (Gold)	≤ 0.100 ppm
B (Boron)	≤ 0.050 ppm
Ba (Barium)	≤ 0.010 ppm
Be (Beryllium)	≤ 0.020 ppm
Bi (Bismuth)	≤ 0.020 ppm
Ca (Calcium)	≤ 0.200 ppm
Cd (Cadmium)	≤ 0.010 ppm
Co (Cobalt)	≤ 0.020 ppm
Cr (Chromium)	≤ 0.010 ppm
Cu (Copper)	≤ 0.020 ppm
Fe (Iron)	≤ 0.100 ppm
Ga (Gallium)	≤ 0.020 ppm
Ge (Germanium)	≤ 0.020 ppm
In (Indium)	≤ 0.020 ppm
K (Potassium)	≤ 0.100 ppm
Li (Lithium)	≤ 0.010 ppm
Mg (Magnesium)	≤ 0.100 ppm
Mn (Manganese)	≤ 0.030 ppm
Mo (Molybdenum)	≤ 0.020 ppm
Na (Sodium)	≤ 0.200 ppm
Ni (Nickel)	≤ 0.020 ppm
Pb (Lead)	≤ 0.020 ppm
Pt (Platinum)	≤ 0.200 ppm
Sn (Tin)	≤ 0.100 ppm
Sr (Strontium)	≤ 0.020 ppm
Ti (Titanium)	≤ 0.020 ppm
Tl (Thallium)	≤ 0.020 ppm
V (Vanadium)	≤ 0.020 ppm
Zn (Zinc)	≤ 0.050 ppm
Zr (Zirconium)	≤ 0.020 ppm
Residue on ignition (as sulfates)	≤ 5 ppm