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    Ethylene glycol
    Product name
    Ethylene glycol
    1,2-ethylene glycol, glycol
    Place of origin
    Molecular formula : C2H6O2
    Molecular weight : 62.068
    Physicochemical properties
    Appearance & Properties: A colorless, transparent liquid with a sweet, viscous liquid.
    Melting point (°C): -13.2 Relative density (water = 1): 1.1155
    Boiling point (°C): 197.3 Relative density (air = 1): 2.14
    Saturated vapor pressure (KPa): 6.21 (°C) Heat of combustion (KJ/mol): 281.9
    Solubility: Soluble in water, ether, ethanol, etc.
    Toxicity and protection
    Toxicity: Low toxicity. Acute toxicity: LD508.0~15.3g/kg (mouse oral); 5.9~13.4g/kg (rat oral); 1.4ml/kg (human oral, lethal) subacute and chronic toxicity: rat Corneal opacity and blindness in 2/15 animals after inhalation of 12 mg/m3 (multiple consecutive times); short-term fainting occurred in 9/28 people who inhaled 40% ethylene glycol mixture; human inhaled 40% ethylene glycol mixture heated to 105 °C Repeated inhalation of 14/38 human nystagmus, 5/38 lymphocytosis. Hazardous characteristics: In case of fire, high heat or contact with oxidizing agents, there is a danger of fire and explosion. In case of high heat, the internal pressure of the container increases, posing a risk of cracking and explosion. Combustion (decomposition) products: carbon monoxide, carbon dioxide, water.
    Quality Index
    Chromaticity, Hazen unit (platinum-cobalt color number) ≤
    Content, % ≥
    Moisture content, % ≤
    Acidity, % ≤
    It is mainly used in the manufacture of resins, plasticizers, synthetic fibers, cosmetics and explosives, and as a solvent to formulate antifreeze for engines.

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