1.00986.2500 Ethanol absolute merck

Description Catalogue Number 100986 Synonyms Ethyl alcohol, EtOH Product Information CAS number 64-17-5 EC index number 603-002-00-5 EC number 200-578-6 Grade Ph Eur,BP,ChP,JP,USP Hill Formula C₂H₆O Chemical formula C₂H₅OH Molar Mass 46.07 g/mol HS Code 2207 10 00 Structure formula Image Structure formula Image Quality Level MQ500 Physicochemical Information Boiling point 78.3 °C (1013 hPa) Density 0.79 g/cm3 (20 °C) Explosion limit 3.1 - 27.7 %(V) Flash point 13 °C Ignition temperature 425 °C Melting Point -114.5 °C pH value 7.0 (10 g/l, H₂O, 20 °C) Vapor pressure 57.26 hPa (19.6 °C) Toxicological Information LD 50 oral LD50 Rat 6200 mg/kg Safety Information according to GHS Hazard Pictogram(s) Hazard Pictogram(s) Hazard Pictogram(s) Hazard Statement(s) H225: Highly flammable liquid and vapour. H319: Causes serious eye irritation. Precautionary Statement(s) P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233: Keep container tightly closed. P240: Ground and bond container and receiving equipment. P241: Use explosion-proof electrical/ ventilating/ lighting equipment. P242: Use non-sparking tools. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P403 + P233: Store in a well-ventilated place. Keep container tightly closed. Signal Word Danger RTECS KQ6300000 Storage class 3 Flammable liquids WGK WGK 1 slightly hazardous to water Disposal 1 Strongly contaminated halogen-free organic solvents: container A. Safety Information Categories of danger highly flammable Storage and Shipping Information Storage Store at +2°C to +25°C. Transport Information Declaration (railroad and road) ADR, RID UN 1170 , 3, II Declaration (transport by air) IATA-DGR UN 1170 , 3, II Declaration (transport by sea) IMDG-Code UN 1170 , 3, II Specifications Assay (m/m) ≥ 99.2 % Assay (V/V) ≥ 99.5 % Identity (IR) conforms Identity 1 (ChP) conforms Appearance conforms Clarity of solution conforms Color of solution conforms Clarity and color of solution (ChP) conforms Acidity or alkalinity ≤ 30 ppm Acidity or alkalinity (ChP) conforms Density (d 20 °C/20 °C) 0.790 - 0.793 Density (d 15,56 °C/15,56 °C) ≤ 0.7962 Density (d 15 °C/15 °C) 0.794 - 0.797 Specific gravity (d 15 °C/15 °C) 0.79422 - 0.79679 Absorbance (at 240 nm) ≤ 0.40 Absorbance (between 250 nm and 260 nm) ≤ 0.30 Absorbance (between 270 nm and 340 nm) ≤ 0.10 The spectrum shows a steadily descending curve with no observable peaks or shoulders conforms Absorbance (ChP) (at 240 nm) ≤ 0.08 Absorbance (ChP) (between 250 nm and 260 nm) ≤ 0.06 Absorbance (ChP) (between 270 nm and 340 nm) ≤ 0.02 Volatile impurities (GC) (Acetaldehyde and Acetal) ≤ 10 ppm Volatile impurities (GC) (Benzene) ≤ 2 ppm Volatile impurities (GC) (Methanol) ≤ 100 ppm Volatile impurities (GC) (Total of other impurities) ≤ 300 ppm Cyclohexane (GC) ≤ 50 ppm Evaporation residue ≤ 25 mg/l Non-volatile matter ≤ 25 mg/l Bacterial endotoxins ≤ 2.5 I.U./ml

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