Polyvinylpyrrolidone K 25, 1 kg
SKU 4606.3
€ 166,81
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Polyvinylpyrrolidone K 25, 1 kg
Product Details
HS code: 39059990
Brand: Carl Roth
Polyvinylpyrrolidone K 25, extra pure, Molar mass (M) ~24000 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 | 22.5-27.0 | < /tr>
| Nitrogen content (N) | 11.5-12.8 % |
| Clearness (5 % in H2< /sub>O) | clear |
| Water (KF) | ?5.0 % |
| Sulphated ash | ?0.1 % |
| pH value (5 % in H2O) | 3.0-5.0 |
| Vinylpyrrolidone (HPLC) | ?0.001% |
| Heavy metals | ?0.001 % |
| Aldehyde | ?0.05 % |
| Hydrazine | ?0.0001 % |
| Peroxides (as H2O2) | ?0.04 % |
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