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  • 2-Hydroxypropyl Methacrylate

    Catalog Number
    ACMA00017288
    Product Name
    2-Hydroxypropyl Methacrylate
    Category
    Polymers
    Description
    Crystals or white crystalline solid. (NTP, 1992);Liquid;Liquid
    IUPAC Name
    2-hydroxypropyl 2-methylprop-2-enoate
    Molecular Weight
    144.17g/mol
    Molecular Formula
    C7H12O3
    Canonical SMILES
    CC(COC(=O)C(=C)C)O
    InChI
    InChI=1S/C7H12O3/c1-5(2)7(9)10-4-6(3)8/h6,8H,1,4H2,2-3H3
    InChI Key
    VHSHLMUCYSAUQU-UHFFFAOYSA-N
    Melting Point
    430 to 433 °F (NTP, 1992);-89 °C
    Flash Point
    250 °F (open cup);121 °C (Cleveland open cup)
    Density
    1.066 @ 25 °C/16 °C
    Solubility
    less than 1 mg/mL at 73° F (NTP, 1992);Limited solubility in water, sol in common organic solvents
    Application
    2-Hydroxypropyl methacrylate (HPMA) is a versatile, clear, colorless liquid with a sweet, pungent odor, primarily utilized as a functional monomer in various industrial applications. Its primary purpose is to enhance the properties of acrylic polymers used in the production of adhesives, inks, and coatings, particularly for automotive, appliance, and metal surfaces. HPMA improves adhesion, provides cross-linking sites, and increases resistance to corrosion, fogging, and abrasion. It serves a critical role in creating solid and emulsion polymers, acrylic dispersions, and acrylic polyols, making it indispensable in textile coatings, automotive components, refurbishment coatings, and industrial applications. Additionally, HPMA is an effective comonomer in styrene-based unsaturated polyesters, PMMA-based acrylic resins, and vinyl ester formulations, used in diverse areas such as anchor bolts and chemical anchors. Its hydrophobic hydroxyl groups make it particularly valuable in manufacturing sealants for vacuum impregnation of cast aluminum components and in producing flexible UV-curable photopolymer printing plates.
    Color/Form
    Clear liquid
    Complexity
    140
    Covalently-Bonded Unit Count
    1
    EC Number
    213-090-3
    Exact Mass
    144.078644g/mol
    Formal Charge
    0
    Heavy Atom Count
    10
    Log P
    0.97 (LogP)
    MeSH Entry Terms
    2-hydroxypropyl methacrylate;methacrylic acid, 2-hydroxypropyl ester
    Monoisotopic Mass
    144.078644g/mol
    Odor
    Slight acrylic odor
    Other Experimental
    Mobile;Boiling point: 87 °C @ 0.67 kPa; Specific gravity: 1.028 @ 25 °C /2-Hydroxypropyl methacrylate/;Heat of polymerization: ~50 kJ/mole /2-Hydroxypropyl methacrylate/;Boiling point: 96 °C @ 1.3 kPa /2-Hydroxypropyl methacrylate/
    Refractive Index
    Index of refraction: 1.446 @ 25 °C
    Rotatable Bond Count
    4
    XLogP3
    1
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