Description Catalogue Number 109621 Synonyms Glycol, 1,2-Ethanediol Description Ethylene glycol Overview EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE® provides worldwide best and most extensive product specifications. We declare our EMSURE® range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards. Product Information CAS number 107-21-1 EC index number 603-027-00-1 EC number 203-473-3 Grade Reag. Ph Eur,Reag. USP Hill Formula C₂H₆O₂ Chemical formula HOCH₂CH₂OH Molar Mass 62.07 g/mol HS Code 2905 31 00 Structure formula Image Applications Application Ethylene glycol for analysis EMSURE® Reag. Ph Eur,Reag. USP. CAS 107-21-1, EC Number 203-473-3, chemical formula HOCH₂CH₂OH. Physicochemical Information Boiling point 197.6 °C (1013 hPa) Density 1.11 g/cm3 (20 °C) Explosion limit 3.2 - 15.3 %(V) Flash point 111 °C Ignition temperature 410 °C Melting Point -14 - -10 °C pH value 6 - 7.5 (100 g/l, H₂O, 20 °C) Vapor pressure 0.053 hPa (20 °C) Solubility 1000 g/l Safety Information according to GHS Hazard Pictogram(s) Hazard Statement(s) H302: Harmful if swallowed. H373: May cause damage to organs through prolonged or repeated exposure if swallowed. Precautionary Statement(s) P314: Get medical advice/ attention if you feel unwell. Signal Word Warning Storage class 10 - 13 Other liquids and solids WGK WGK 1 slightly water endangering Safety Information Hazard Symbols Harmful Categories of danger harmful R Phrase R 22-48/22 Harmful if swallowed.Harmful: danger of serious damage to health by prolonged exposure if swallowed. S Phrase S 22-36 Do not breathe dust.Wear suitable protective clothing. Storage and Shipping Information Storage Store at +5°C to +30°C. Specifications Purity (GC) ≥ 99.5 % Identity (IR) conforms Colour ≤ 10 Hazen Acidity (as CH₃COOH) ≤ 0.001 % Density (d 20 °C/20 °C) 1.113 - 1.115 Density (d 25 °C/25 °C) 1.10 - 1.12 Refractive index (n 20/D) 1.431 - 1.433 Melting point -14 - -10 °C Boiling point 196.5 - 198.5 °C Chloride (Cl) ≤ 0.00002 % Fe (Iron) ≤ 0.00005 % Formaldehyde ≤ 0.005 % Substances reducing potassium permanganate (as O) ≤ 0.0003 % Readily carbonizable substances conforms Sulfated ash ≤ 0.005 % Water ≤ 0.1 %
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