How is polyvinyl alcohol made

  • How is polyvinyl alcohol made

    • Polyvinyl alcohol

    Not to be confused with polyvinyl acetate.

    Names
    Other names

    PVOH; Poly(Ethenol), Ethenol, homopolymer; PVA; Polyviol; Vinol; Alvyl; Alcotex; Covol; Gelvatol; Lemol; Mowiol; Mowiflex, Alcotex, Elvanol, Gelvatol, Lemol, Nelfilcon A, Polyviol und Rhodoviol

    Identifiers

    CAS Number

    ChEMBL
    ChemSpider
    ECHA InfoCard100.121.648
    E numberE1203 (additional chemicals)
    KEGG
    RTECS number
    UNII

    CompTox Dashboard(EPA)

    Properties

    Chemical formula

    		(C2H4O)x
    Density1.19–1.31 g/cm3
    Melting point200 °C (392 °F; 473 K)
    log P0.26 [1]

    Refractive index (nD)

    		1.477 @ 632 nm[2]
    Hazards
    NFPA 704 (fire diamond)
    Flash point79.44 °C (174.99 °F; 352.59 K)
    Lethal dose or concentration (LD, LC):

    LD50 (median dose)

    		14,700 mg/kg (mouse)
    Safety data page (SDS) External MSDS

    Except where ad if not noted, data are given for capital in their standard state (at 25 °C [77 °F], 100 k how is polyvinyl alcohol made
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