L-Threonine, 10g
L-Threonine for biochemistry. CAS 72-19-5, pH 5 - 6 (100 g/l, H₂O, 20 °C).
Manufacturer: Merck
Catalog ID: 108411.0010
Stock: In Stock
Description
| Catalogue Number | 108411 |
| Synonyms | Thr, 2-Amino-3-hydroxybutanoic acid |
Product Information
| CAS number | 72-19-5 |
| EC number | 200-774-1 |
| Hill Formula | C₄H₉NO₃ |
| Molar Mass | 119.12 g/mol |
| HS Code | 2922 50 00 |
Applications
| Application | L-Threonine for biochemistry. CAS 72-19-5, pH 5 - 6 (100 g/l, H₂O, 20 °C). |
Physicochemical Information
| Melting Point | 265 - 270 °C |
| pH value | 5 - 6 (100 g/l, H₂O, 20 °C) |
| Bulk density | 370 kg/m3 |
| Solubility | 90 g/l |
Storage and Shipping Information
| Storage | Store below +30°C. |
Specifications
| Assay (perchloric acid titration) | ≥ 99.0 % |
| Identity (IR-spectrum) | passes test |
| Appearance | white to almost white, fine powder |
| Appearance of solution (1 mol/l, water) | clear and colorless |
| Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l) | -15.4 to -16.4 |
| Heavy metals (as Pb) | ≤ 0.001 % |
| NH₄ (Ammonium) | ≤ 0.01 % |
| Foreign amino acids | ≤ 0.3 % |
| Other ninhydrine positive substances | ≤ 0.1 % |
