Protamine Sulphate 5grm
for biochemistry
Manufacturer: Merck
Catalog ID: 110123.0005
Stock: In Stock
Description
| Catalogue Number | 110123 |
| Synonyms | Salmine sulfate |
Product Information
| CAS number | 9009-65-8 |
| HS Code | 3504 00 90 |
Storage and Shipping Information
| Storage | Store at +15°C to +25°C. |
Specifications
| Nitrogen content (Kjeldahl; calc.on dried substance) | 22.5 - 25.5 % |
| Assay of sulfate (gravimetrically; calc. on dried substance) | 16 - 22 % |
| Identity (IR-spectrum) | passes test |
| Appearance | white to almost white, crystalline powder |
| Appearance of solution (5 g/l; water) | clear to almost clear, colorless to slightly yellow |
| Absorbance (260-280 nm, 10 g/l, 1 cm, water) | ≤ 0.1 |
| Spec. rotation (α 20/D, 10 g/l, hydrochloric acid 0.1 mol/l, calc. on dried substance) | -65 to -85 |
| Fe (Iron) | ≤ 0.001 % |
| Hg (Mercury) | ≤ 0.001 % |
| Heavy metals (as Pb) | ≤ 0.002 % |
| Loss on drying (105 °C; 3 h) | ≤ 5 % |
