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  • Polyvinyl alcohol (PVA) printing filament

  • Polyvinyl alcohol (PVA) printing filament

    Catalog Number
    ACM9002895-3
    Product Name
    Polyvinyl alcohol (PVA) printing filament
    Structure
    CAS
    9002-89-5
    Category
    3D Printing Materials
    Description
    Polyvinyl alcohol appears as odorless white to cream-colored granules or powder. Pure aqueous solutions are neutral or faintly acid and subject to mold growth. pH (4% aqueous solution): 5-8. Strongly hydrophilic. (NTP, 1992);Odourless, tasteless, translucent, white or cream-coloured granular powder;COLOURLESS-TO-WHITE SOLID IN VARIOUS FORMS.
    IUPAC Name
    ethenol
    Molecular Weight
    44.05g/mol
    Molecular Formula
    (C2H3OR)nwhere R = H or COCH3;(CH2CHOH-)n;CH2CHOH;C2H4O
    SMILES
    C=CO
    InChI
    InChI=1S/C2H4O/c1-2-3/h2-3H,1H2
    InChIKey
    IMROMDMJAWUWLK-UHFFFAOYSA-N
    Boiling Point
    644 °F at 760 mm Hg approximately (NTP, 1992);644 °F at 760 mm Hg /approximately/
    Melting Point
    442 °F (decomposes) (NTP, 1992);>200 °C; other melting points: 212-267 °C
    Flash Point
    175 °F (NTP, 1992);175 °F (79 °C) (open cup);79 °C o.c.
    Density
    1.329 (NTP, 1992);1.91 to 1.31;1.19-1.31 g/cm³
    Solubility
    Soluble (NTP, 1992);Soluble in water; sparingly soluble in ethanol;Soluble in water;Solubility in water: good;Water solubility increases as molecular weight decreases;Slightly soluble in ethanol, but insoluble in other organic solvents;Essentially soluble in hot and cold water, but those coded 20-105 require alcohol-water mixtures; Insoluble in petroleum solvents;Practically insoluble in animal and vegetable oils; insoluble in aromatic hydrocarbons, esters, ether, acetone; practically insoluble in chlorinated hydrocarbons;Solubility in water: good
    EC Number
    209-183-3;618-340-9
    ICSC Number
    1489
    NSC Number
    108129
    RTECS Number
    TR8100000
    Stability
    Stable under recommended storage conditions.
    Viscosity
    /p>4,8 to 5,8 mPa.s (4 % solution at 20 °C) corresponding to an average molecular weight of 26 000-30 000 Da
    Status
    42
    Color/Form
    Dry, unplasticized powders are white or cream colored;Colorless, white or cream, amorphous powder
    Complexity
    10.3
    Formal Charge
    0
    Exact Mass
    44.026215g/mol
    Monoisotopic Mass
    44.026215g/mol
    XLogP3
    0.5
    MeSH Entry Terms
    Alcohol, Polyvinyl;Liquifilm Tears;Polyvinyl Alcohol;Polyviol;Tears, Liquifilm
    Refractive Index
    Index of refraction: 1.49-1.53
    Odor
    Odorless
    Other Experimental
    Polymer average molecular weight: 120,000;Softens at about 200 °C with decomposition;Subject to mold growth;Decomposes at 228 °C;Undergoes chemical reactions typical of compound with secondary hydroxyl groups, including esterification and etherification;Strength, elongation, tear resistance, and flexibility improve with increasing molecular weight;Tensile strength up to 22,000 psi
    Vapor Pressure
    Negligible (NTP, 1992);Negligible
    Covalently-Bonded Unit Count
    1
    Heavy Atom Count
    3
    Rotatable Bond Count
    0
    If you have any other questions or need other size, please get a quote.
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