1.08114.1000 TETRAHYDROFURAN MERCK

Description Catalogue Number 108114 Synonyms THF, Tetramethylene oxide, Oxolane, Butylene oxide Description Tetrahydrofuran Overview EMPLURA® is our low-cost alternative to high-purity qualities. With EMPLURA® we offer a range of solvents for a plurality of basic applications in non-regulated industries and for less demanding applications, preparative laboratory work and cleaning purposes. EMPLURA® solvents provide adequate specifications with the most important parameters. Product Information CAS number 109-99-9 EC index number 603-025-00-0 EC number 203-726-8 Hill Formula C₄H₈O Chemical formula C₄H₈O Molar Mass 72.11 g/mol HS Code 2932 11 00 Structure formula Image Structure formula Image Quality Level MQ200 Physicochemical Information Boiling point 65 - 66 °C (1013 hPa) Density 0.88 g/cm3 (25 °C) Explosion limit 1.5 - 12.4 %(V) Flash point -21.2 °C Melting Point -108.44 °C pH value 7 (H₂O) Vapor pressure 170 hPa (20.0 °C) Safety Information according to GHS Hazard Pictogram(s) Hazard Pictogram(s) Hazard Pictogram(s) Hazard Pictogram(s) Hazard Statement(s) H225: Highly flammable liquid and vapour. H302: Harmful if swallowed. H319: Causes serious eye irritation. H335: May cause respiratory irritation. H336: May cause drowsiness or dizziness. H351: Suspected of causing cancer. EUH019: May form explosive peroxides. Precautionary Statement(s) P201: Obtain special instructions before use. P202: Do not handle until all safety precautions have been read and understood. P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. 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 + P313: IF exposed or concerned: Get medical advice/ attention. P403 + P233: Store in a well-ventilated place. Keep container tightly closed. Signal Word Danger RTECS LU5950000 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, carcinogenic, irritant Storage and Shipping Information Storage Store at +2°C to +30°C. Transport Information Declaration (railroad and road) ADR, RID UN 2056 , 3, II Declaration (transport by air) IATA-DGR UN 2056 , 3, II Declaration (transport by sea) IMDG-Code UN 2056 , 3, II Specifications Purity (GC) ≥ 99.0 % Identity (IR) conforms Free acid (as CH₃COOH) ≤ 0.002 % Density (d 20 °C/ 4 °C) 0.887 - 0.889 Peroxide (as H₂O₂) ≤ 0.01 % Water ≤ 0.1 % Stabilized with 2,6-Di-tert-butyl-4-methylphenol (BHT)

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