Physicochemical Information
Boiling point	45 °C
Density	1.19 g/cm3 (20 °C)
Melting Point	-28 °C
pH value	< - 1 (H₂O, 20 °C)
Vapor pressure	190 hPa (20 °C)
Solubility	(20 °C) soluble

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H290: May be corrosive to metals. H314: Causes severe skin burns and eye damage. H335: May cause respiratory irritation.
Precautionary Statement(s)	P280: Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Signal Word	Danger
Storage class	8B Non-combustible, corrosive hazardous materials
WGK	WGK 1 slightly water endangering
Disposal	12 Inorganic acids and anhydrides thereof should first be diluted or hydrolyzed by stirring carefully into ice water and then neutralized (protective gloves, fume cupboard!) with sodium hydroxide solution (Cat. No. 105587). Before filling into container D, check the pH with pH universal indicator strips (Cat. No. 109535). Fuming sulfuric acid should be carefully stirred dropwise into 40 % sulfuric acid (Cat. No. 109286). Ensure that plenty of ice is available for cooling! When sufficiently cool, treat the highly concentrated sulfuric acid as described above. Analogous to this procedure, other anhydrides can be converted into their corresponding acids. Acid gases (e.g. hydrogen halide, chlorine, phosgene, sulfur dioxide) can be introduced into dilute sodium hydroxide solution and after neutralization disposed of in container D.

Safety Information
Categories of danger	corrosive
R Phrase	R 34-37 Causes burns.Irritating to respiratory system.
S Phrase	S 26-36/37/39-45 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.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 +2 °C to +25 °C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 1789 , 8, II
Declaration (transport by air) IATA-DGR	UN 1789 , 8, II
Declaration (transport by sea) IMDG-Code	UN 1789 , 8, II, Segregation Group: 1 (Acids)

Specifications
Specifications
Assay (alkalimetric)	37.0 - 38.0 %
Identity	passes test
Appearance of solution	passes test
Bromide, Iodide (Br,I)	passes test
Free bromine or chlorine (NF-meth.)	passes test
Free chlorine (Cl)	≤ 0.0001 %
Sulphate (SO₄)	≤ 0.0005 %
Sulfite (SO₃)	≤ 0.0010 %
Heavy metals (as Pb)	≤ 0.0001 %
As (Arsenic)	≤ 0.00010 %
Ca (Calcium)	≤ 0.0010 %
Fe (Iron)	≤ 0.0002 %
Hg (Mercury)	≤ 0.000004 %
Residual solvents (ICH Q3C)	...excluded by production process
Residue on ignition (as SO₄)	≤ 0.008 %
Evaporation residue	≤ 0.005 %
Residues of metal catalysts or metal reagents acc. to EMEA/CHMP/SWP/4446/2000 are not likely to be present.
Corresponds Ph Eur, BP , JP, NF Expiry date : see product label

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MERCK 100314.2500 - Hydrochloric Acid fuming 37% EMPROVE® 2,5lt.

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