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China 99.5% 1,4-Butanediol - China Supplier
China 99.5% 1,4-Butanediol - China Supplier China 99.5% 1,4-Butanediol - China Supplier

99.5% 1,4-Butanediol

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Industry Category: Chemicals
Product Category: Polyol Series
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Yixing Wencheng Chemical Co., Ltd.
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Description
Additional Information

  • Category

    Polyol Series

  • Describe

    Ethylene glycol (EG) is a common organic compound belonging to the diol class and is widely used in industry, especially as an antifreeze agent, solvent and polyester raw material.

  • Cas No.

    107-21-1

  • Purity

    99.5%

  • Synonym(s)

    EG

Physical and chemical properties

  • 1. Chemical Identity
    • Chemical Name: Ethylene glycol
    • IUPAC Name: Ethane-1,2-diol
    • Synonyms: 1,2-Ethanediol, Monoethylene glycol (MEG), Glycol
    • CAS Number: 107-21-1
    • EC Number: 203-473-3
    • Molecular Formula: C2​H6​O2​
    • Molecular Weight: 62.07 g/mol
  • 2. Physical Properties
    • Appearance: Clear, colorless, viscous, hygroscopic liquid.
    • Odor: Odorless.
    • Taste: Sweet taste. (Note: Highly toxic, should never be ingested).
    • Melting Point: -13 °C (9 °F)
    • Boiling Point: 197-198 °C (387-388 °F) at 1013 hPa
    • Density: 1.113 g/cm³ at 20 °C
    • Solubility:
    • In Water: Miscible (soluble in all proportions).
    • In Organic Solvents: Soluble in alcohol, acetone, and acetic acid. Sparingly soluble in ether. Insoluble in benzene and chlorinated hydrocarbons.
    • Vapor Pressure: 0.08 hPa at 20 °C
    • Vapor Density: 2.14 (Air = 1)
    • Viscosity: 16.1 mPa·s at 25 °C
  • 3. Chemical Properties and Stability
    • Stability: Stable under normal conditions. Hygroscopic (absorbs moisture from the air).
    • Incompatibilities: Incompatible with strong oxidizing agents (e.g., potassium permanganate, perchloric acid), strong acids, and strong bases. Can react violently.
    • Hazardous Decomposition Products: Combustion may produce toxic fumes of carbon monoxide (CO) and carbon dioxide (CO2​).
  • 4. Other Key Data
    • Flash Point: 111 °C (232 °F) - Closed cup
    • Autoignition Temperature: 410 °C (770 °F)
    • Explosive Limits:
    • Lower Explosive Limit (LEL): 3.2 % (V)
    • Upper Explosive Limit (UEL): 15.3 % (V)
    • Refractive Index (n20/D): ~1.432

Industry Category Chemicals
Product Category Polyol Series
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