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Produktdetails

Hersteller
Fisher Chemical™
Artikelnummer
10691373

Über dieses Produkt

Xylene, Technical

Description:

Xylene, also known as dimethylbenzene, is a colorless, flammable liquid derived from petroleum or coal tar. The technical grade of xylene typically refers to a mixture of isomers—primarily ortho-xylene, meta-xylene, and para-xylene—with technical purity (usually ≥ 98%). Xylene has a sweet odor and is widely used as a solvent in various industrial, laboratory, and chemical applications due to its ability to dissolve many organic compounds.


Specifications:

  • Chemical Formula: C₆H₄(CH₃)₂ (Xylene, with different isomers such as ortho-, meta-, and para-)

  • CAS Number: 1330-20-7

  • Molecular Weight: 106.17 g/mol

  • Purity: Typically 98% or higher, with impurities primarily due to the mixture of isomers

  • Boiling Point: 138-144°C (280-291°F) (depending on the isomer distribution)

  • Melting Point: -47.4°C (-53.3°F)

  • Density: 0.861 g/mL at 25°C

  • Appearance: Colorless liquid

  • Odor: Sweet, aromatic, slightly pungent odor

  • Solubility: Slightly soluble in water, but highly soluble in organic solvents such as acetone, ethanol, and ether

  • Flash Point: 24°C (75.2°F)

  • Vapor Pressure: 10.3 mm Hg at 25°C


Uses:

  • Solvent in Chemical Industries:

    • Used as a solvent for paints, coatings, varnishes, and lacquers. It is an excellent solvent for resins and polymers

  • Laboratory Reagent:

    • Employed in laboratories for dissolving a variety of organic compounds and as a mobile phase in chromatography

  • Extraction and Purification:

    • Utilized in liquid-liquid extraction and in the purification of natural products

  • Cleaning Agent:

    • Often used in the cleaning of equipment and tools, especially for removing grease, oil, and resins

  • Paint Thinner:

    • Commonly used as a paint thinner and diluent for paints and varnishes, particularly when a high evaporation rate is desired

  • Production of Isomers:

    • Xylene is used in the manufacture of terephthalic acid and other chemicals through catalytic processes

  • Fuel Additive:

    • Sometimes included in fuel formulations for automobiles and industrial engines

  • Chemical Synthesis:

    • It is used in the synthesis of phthalic anhydride, dimethyl terephthalate, and other industrial chemicals


Features

  • High Purity Technical Grade: Contains ≥98% xylene, mainly a mixture of ortho-xylene, meta-xylene, and para-xylene

  • Effective Solvent: Excellent solvent for a wide range of organic compounds, polymers, and resins

  • Versatile Uses: Widely used in paint, coatings, cleaning, extraction, and chemical synthesis

  • Fast Evaporating: Xylene has a relatively high evaporation rate, making it useful in applications where fast drying is necessary

  • Colorless and Clear: Typically appears as a colorless liquid with a characteristic sweet odor

  • Flammable: Highly flammable, with a low flash point, requiring careful handling in well-ventilated areas

  • Solubility: While slightly soluble in water, it is soluble in a variety of organic solvents, making it useful in various chemical processes

  • Widely Available: Commonly available in various grades, including technical grade for general industrial and laboratory uses

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