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Methylenediphenyl 4,4'-Diisocyanate

    • Product Name Methylenediphenyl 4,4'-Diisocyanate
    • Alias MDI
    • Einecs 202-966-0
    • Mininmum Order 1 g
    • Factory Site Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry sales3@ar-reagent.com
    • Manufacturer Nanjing Finechem Holdings Co., Ltd
    • CONTACT NOW
    Specifications

    HS Code

    838879

    Cas Number 101-68-8
    Iupac Name 1,1'-Methylenebis(4-isocyanatobenzene)
    Molecular Formula C15H10N2O2
    Molecular Weight 250.25 g/mol
    Appearance Pale yellow to white solid
    Melting Point 39.5°C
    Boiling Point 196°C at 5 mmHg
    Density 1.19 g/cm³ at 20°C
    Solubility In Water Reacts with water
    Odor Faint aromatic odor
    Vapor Pressure 0.0001 mmHg at 25°C
    Flash Point 209°C (closed cup)
    Storage Temperature Store at 2-8°C
    Ec Number 202-966-0
    Purity Typically ≥ 99%

    As an accredited Methylenediphenyl 4,4'-Diisocyanate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Supplied in a 500 g amber glass bottle with a screw cap, Sigma Aldrich label, and hazard warnings prominently displayed.
    Shipping Methylenediphenyl 4,4'-Diisocyanate (MDI) from Sigma Aldrich, Merck, or TCI is shipped in tightly sealed containers, typically under dry, inert atmosphere. It requires transport as a hazardous material, protected from moisture and extreme temperatures, and must comply with relevant chemical shipping regulations for toxic and reactive substances.
    Storage Methylenediphenyl 4,4’-Diisocyanate (MDI) should be stored in a tightly sealed container, in a cool, dry, well-ventilated area, away from moisture, heat, and incompatible substances such as amines, alcohols, and acids. Protect from direct sunlight and avoid prolonged exposure to air to prevent polymerization. Storage temperature should generally be below 25°C. Follow all relevant safety and regulatory guidelines.
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    Tel: +8615365186327

    Email: sales3@ar-reagent.com

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    Certification & Compliance