Basic Info
  • Grade: Pharmaceutical Grade

    Factory Location: Changsha high-tech development zone, 100 foot cloud road brought science park 14 layer 5, 501

    Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa

  • Sample Provided: no

    Payment Terms: L/L

    Product name PVP VA64    
    Shelf life Three years    
    Inspection standard USP    
    Items Specification  Reference Results
    Appearance White or yellowish-white,hygroscopic powder or flakes. TM-A25S03 Complies
    Appearance of Solution The solution is clear or slightly opalescent and colorless to pale yellow or pale red. TM-A25S03 Complies
    Identification IR  GM-029. Complies
    A deep red colour is produced. TM-A25S03 Complies
    K Value 25.2-30.8 GM-002 29.3
    pH(1.0g→20.0ml) 4.2 ~ 5.6 GM-003 5.3
    Assay  
    Vinyl acetate 35.3~41.4% GM-012 37.1%
    Nitrogen 7.0~8.0% GM-018 7.2%
    Residue on ignition ≤0.1% GM-007 0.04%
    Heavy Metals ≤20 PPM GM-052 <20 PPM
    Aldehydes ≤0.05% GM-006 0.01%
    Hydrazine ≤ 1ppm GM-025 <1ppm
    Peroxides (as H2O2) ≤0.035% GM-009 0.004%
    Residual Solvents(isopropyl alcohol) ≤0.5% GM-037 0.1%
    Monomers  
    1-vinyl-2-pyrrolidone ≤ 0.001% GM-030 0.0003%
    Vinyl Acetate ≤ 0.001% GM-030 0.0004%
    2-pyrrolidone ≤0.5% GM-030 0.1%
    Water(KF) ≤ 2.3% GM-001 1.1%
    TAMC ≤ 100 cfu/g GM-518 30cfu/g
    TYMC ≤ 100 cfu/g GM-519 20cfu/g
    Staphylococcus Aureus Negative in 10g GM-523 Negative
    Salmonella Negative in 10g GM-521 Negative
    Pseudomonas Aeruginosa Negative in 10g GM-522 Negative
    E. Coli Negative in 10g GM-520 Negative
    Conclusion The product complies with USP standard.
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