Hydrochloric acid fuming 37% 1.00314.2500 merck

Description Catalogue Number 100314 Synonyms Hydrogen chloride solution Product Information Grade Ph Eur,BP,ChP,JP,NF HS Code 2806 10 00 Quality Level MQ500 Physicochemical Information Density 1.19 g/cm3 (20 °C) pH value <1 (H₂O, 20 °C) Vapor pressure 190 hPa (20 °C) Safety Information according to GHS Hazard Pictogram(s) Hazard Pictogram(s) 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) P234: Keep only in original packaging. P261: Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray. P271: Use only outdoors or in a well-ventilated area. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. 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 Storage class 8B Non-combustible, corrosive hazardous materials WGK WGK 1 slightly hazardous to water 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 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 Assay (alkalimetric) 37.0 - 38.0 % Identity passes test Appearance of solution passes test Bromide, Iodide (Br,I) passes test Bromide or iodide (ChP) passes test Free bromine or chlorine (NF-meth.) passes test Free chlorine or bromine (ChP) passes test Free chlorine (Cl) ≤ 0.0001 % Sulfate (SO₄) ≤ 0.0005 % Sulfite (SO₃) ≤ 0.0010 % Heavy metals (as Pb) ≤ 0.0001 % As (Arsenic) ≤ 0.00010 % Ca (Calcium) ≤ 0.0010 % Fe (Iron) ≤ 0.0001 % Hg (Mercury) ≤ 0.000004 % Residual solvents (ICH Q3C) ...excluded by production process Residue on ignition (as SO₄) ≤ 0.002 % Evaporation residue ≤ 0.005 % Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*). Corresponds Ph Eur, BP, ChP, JP, NF Expiry date : see product label

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