Polyvinylpyrrolidone K 90, 1 kg
SKU CP15.3
€ 189,82
In stock
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Polyvinylpyrrolidone K 90, 1 kg
Product Details
HS code: 39059990
Brand: Carl Roth
Polyvinylpyrrolidone K 90, extra pure, Molar mass (M) 900000-1200000 g/mol, Density (D) 1.2 g/cm³, CAS No. [9003-39-8], Empirical formula (C6H9NO)n
| Appearance | white to off-white powder |
| K-value | 81.0-97.2< /td> |
| Nitrogen content (N) | 11.5-12.8 % |
| Clearness (5 % in H2O) | clear |
| Water (KF) | ?5.0 % |
| pH value (5% in H2O) | 4.0-7.0 |
| Vinylpyrrolidone (HPLC) | ?0.001% |
| Heavy metals | ?0.001% |
| Aldehydes | ?0.05% |
| Hydrazine | ? 0.0001 % |
| Peroxides (as H2O2) | ?0, 04 % |
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