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Chemical Description
◆ Product Name: Copovidone VA64
◆ CAS No.: 25086-89-9
◆ INCI Name: VP/VA Copolymer
Physical and Chemical Properties
◆ White or slightly yellowish, free-flowing powder
◆ Less soluble in ether, cyclic aliphatic, and alicyclic hydrocarbons
◆ Pharma Industry
Copovidone VA64 is an excellent binder for tablets and granules.
◆ Industrial Field
Compared with PVP, Copovidone VA64 offers more effective dye transfer inhibition and is widely used in liquid and powder detergent formulations.
| Item | Specification | |||||
| Appearance | White or yellowish-white, hygroscopic powder or flakes | |||||
| Solubility | Freely soluble in water, in ethanol (96 percent) and in trichloromethane | |||||
| Identification A, B | Meets requirement | |||||
| PH | 3.0-7.0 | |||||
| K value | 26.0-36.0 | |||||
| Aldehydes | NMT 500PPM | |||||
| Peroxide | NMT 400PPM | |||||
| Vinyl Acetate | NMT 5PPM | |||||
| Hydrazine | NMT 1.0PPM | |||||
| Impurity A | NMT 10.0PPM | |||||
| Impurity B | NMT 5.0% | |||||
| Heavy Metal | NMT 20PPM | |||||
| Water | NMT 5.0% | |||||
| Sulfated ash | NMT 0.1% | |||||
| Nitrogen | 7.0%-8.0% | |||||
| Ethyl Acetate | 35.3%-42.0% | |||||
| Saponification Value(mg/g) | 230-270 | |||||
