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    Home > Organic Chemistry > Inorganic Acid Esters > Propylene Carbonate
    Propylene Carbonate structure

    Propylene Carbonate

    • CAS No:

      108-32-7

    • Formula:

      C4H6O3

    • Synonyms:

      1,2-PDC;1,2-Propanediol carbonate

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    Basic Attributes

    • 108-32-7

    • C4H6O3

    • 102.09

    • 102.031693

    • 35.5 A^2

    • -0.4

    • 203-572-1

    • RUOJZAUFBMNUDX-UHFFFAOYSA-N

    • 3

    • 0

    • 0.75

    • 0

    Characteristics

    • Clear Liquid

    • 1.2047 g/cu cm at 20 deg C

    • -49 °C

    • 240 °C(lit.)

    • 270 °F

    • 1.416

    • H2O: 240 g/L (20 ºC)

    • Store below +30°C.

    • 0.13 mm Hg ( 20 °C)

    • Stable. Incompatible with strong oxidizing agents, acids, bases, reducing agents. Protect from contact with moist air or water.

    Safety Information

    • 29209010

    • NONH for all modes of transport

    • 1

    • 36

    • 26-37/39

    • FF9650000

    • Xi

    • Completely packed, lightly placed; storeroom ventilated, away from open flames, high temperature, and stored separately from oxidants

    • P305 + P351 + P338

    • H319

    • Combustible in case of open flame, high temperature and strong oxidant; burning emits irritating smoke

    • 1.8-14.3%(V)

    • Oral-Rat  LD50: 34900 mg/kg; Oral-Mouse LD50: 20700 mg/kg

    • practically nontoxic

    Product Usage

    As a high-efficiency solvent, it can be used to remove carbon dioxide from petroleum gas, petroleum cracking gas, oil field gas and ammonia synthesis gas. It can also be used as plasticizer, spinning solvent or water-soluble dye, pigment dispersant, oily solvent and Extractant for olefins and aromatics.

    Production Methods

    1. The phosgene process raw material propylene glycol reacts with phosgene to generate hydroxyisopropyl chloroformate, and then reacts with sodium hydroxide to generate propylene carbonate, which is then distilled under reduced pressure to obtain a finished product. 2. Transesterification method. 3. The chloropropanol method. 4. Propylene oxide and carbon dioxide synthesis method Carbon dioxide and propylene oxide react at 150-160°C and 5MPa to generate propylene carbonate. The finished product is obtained by vacuum fractionation. The above methods have been industrialized, but the first three methods have high production costs and poor product quality, so they are gradually replaced by the fourth method. 5. Propylene oxidation and carbon dioxide synthesis method. This method is a synthetic method developed in the laboratory in recent years.

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