L-Proline 10G
L-Proline for biochemistry. CAS 147-85-3, pH 5 - 7 (100 g/l, H₂O, 20 °C).
Manufacturer: Merck
Catalog ID: 107434.0010
Stock: In Stock
Description
| Catalogue Number | 107434 |
| Synonyms | Pro |
Product Information
| CAS number | 147-85-3 |
| EC number | 205-702-2 |
| Hill Formula | C₅H₉NO₂ |
| Molar Mass | 115.13 g/mol |
| HS Code | 2933 99 80 |
Applications
| Application | L-Proline for biochemistry. CAS 147-85-3, pH 5 - 7 (100 g/l, H₂O, 20 °C). |
Physicochemical Information
| Density | 1.35 - 1.38 g/cm3 (25 °C) |
| Melting Point | 220 - 222 °C (decomposition) |
| pH value | 5 - 7 (100 g/l, H₂O, 20 °C) |
| Bulk density | 500 kg/m3 |
| Solubility | 1500 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat > 5110 mg/kg |
Storage and Shipping Information
| Storage | Store below +30°C. |
Specifications
| Assay (perchloric acid titration, calculated on dried substance) | ≥ 99.0 % |
| Identity (IR-spectrum) | passes test |
| Appearance | white or almost white, crystalline powder or colorless crystals |
| Appearance of solution (50 g/l; water) | clear and colorless |
| Spec. rotation (α 20/D, 40 g/l, water, calc. on dried substance) | -84.0 bis -86.0 |
| Chloride (Cl) | ≤ 0.02 % |
| Sulfate (SO₄) | ≤ 0.03 % |
| Heavy metals (as Pb) | ≤ 0.001 % |
| Ninhydrin-positive substances (LC) (any ninhydrin-positive impurity) | ≤ 0.2 % |
| Ninhydrin-positive substances (LC) (ammonium (570 nm)) | ≤ 0.02 % |
| Ninhydrin-positive substances (LC) (total impurities) | ≤ 0.5 % |
| Loss on Drying (105°C) | ≤ 0.4 % |
