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LC4792 Polyvinyl alcohol 40-88
suitable for use as excipient EMPROVE exp Ph Eur,USP,JPE

 

Order number Packaging Quantity Price €
AC31792 Plastic bottle 1 kg Inquire
AC31792 Double PE Sack 25 kg Inquire

 

Product information
Grade Ph Eur,USP,JPE
Hill Formula (C4H6O2 * C2H4O)n
HS Code 3905 30 00
Storage Store at +15°C to +25°C.
CAS number 25213-24-5

 

Chemical and physical data
Ignition temperature >230 °C
Solubility (20 °C) insoluble
Melting point >200 °C
Density 1.3 g/cm3 (20 °C)
Bulk density 400 – 600 kg/m3
pH value 4.5 – 7.0 (40 g/l, H2O, 23 °C)

 

Safety information
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C

 

Toxicological data
LD 50 oral LD50 rat > 2000 mg/kg

 

Specifications
Identity passes test
Appearance of solution passes test
Water-insoluble matter ≤ 0.1 %
pH-value (4 %; water) 5.0 – 6.5
Viscosity (4 %; water) 34.0 – 46.0 mPas
As (Arsenic) ≤ 2 ppm
Heavy metals (as Pb) ≤ 10 ppm
Crotonaldehyde (HS-GC) ≤ 10 ppm
Acetic acid (alkalimetric) ≤ 0.5 %
Methanol (HS-GC) ≤ 1.0 %
Methyl acetate (HS-GC) ≤ 1.0 %
Other residual solvents (Ph.Eur./USP/ICH) excluded by production process
Ester value 130 – 150
Degree of hydrolysis 85 – 89 %
Acid value ≤ 3.0
Saponification value 132 – 152
Sulfated ash ≤ 1.0 %
Loss on drying (105 °C) ≤ 5.0 %
Endotoxins < 0.03 I.U./mg
Microbiological purity
– Total aerobic microbial count (TAMC)
≤ 1E+02 CFU/g
– Total yeast and mould count (TYMC) ≤ 1E+02 CFU/g
– Bile tolerant Gram negative Bacteria (absent in 1 g) conforms
– Escherichia coli (absent in 1 g) conforms
– Pseudomonas aeruginosa (absent in 1 g) conforms
– Staphylococcus aureus (absent in 1 g) conforms
– Candida albicans (absent in 1 g) conforms
– Salmonella ssp (absent in 10 g) conforms