| 产品信息
|
| CAS号 | 71119-23-8 |
| EC号 | 275-203-2 |
| Hill配方 | C₆H₁₂NNaO₄S |
| Molar Mass | 217.22 g/mol |
| HS代码 | 2934 99 90 |
| 结构配方图像 |  |
| Quality Level | MQ100
|
| 应用
|
| 应用 | 2-Morpholinoethanesulfonic acid sodium salt (MES Na) buffer substance. CAS 71119-23-8, pH 8.9 - 10.1 (10 g/l, H₂O, 20 °C). |
| 理化信息
|
| pH值 | 8.9 - 10.1 (10 g/l, H₂O, 20 °C) |
| GHS安全信息
|
| 储存类别 | 10 - 13 其它液体及固体 |
| WGK | WGK 1 轻度的水危害 |
| 一次性 | 3
反应性相对较低的有机物必须被收集在第A类, 如果被卤化则在第B类, 如果为固体残留物则归在第C类. |
| 储存和货运信息
|
| 储存 | 于 +5°C 到 +30°C储存. |
| 规格
|
| Assay (alkalimetric, calculated on dried substance) | ≥ 99.0 % |
| Identity (IR-spectrum) | passes test |
| Appearance | white to almost white, fine powder or colorless crystals |
| Appearance of solution (0.5 mol/l, water) | clear and colorless. |
| UV-Absorption (260 nm; 0.5 mol/l; 1 cm; water) | ≤ 0.05 |
| UV-Absorption (280 nm; 0.5 mol/l; 1 cm; water) | ≤ 0.05 |
| Chloride (Cl) | ≤ 50 ppm |
| Sulphate (SO₄) | ≤ 50 ppm |
| Heavy metals (as Pb) | ≤ 5 ppm |
| Ca (Calcium) | ≤ 50 ppm |
| Cd (Cadmium) | ≤ 5 ppm |
| Co (Cobalt) | ≤ 5 ppm |
| Cr (Chromium) | ≤ 5 ppm |
| Cu (Copper) | ≤ 5 ppm |
| Fe (Iron) | ≤ 10 ppm |
| K (Potassium) | ≤ 50 ppm |
| Mg (Magnesium) | ≤ 10 ppm |
| Mn (Manganese) | ≤ 5 ppm |
| Ni (Nickel) | ≤ 5 ppm |
| Pb (Lead) | ≤ 5 ppm |
| Zn (Zinc) | ≤ 5 ppm |
| DNases (Exo- and endonucleases) | non detectable |
| RNases | non detectable |
| Proteases | non detectable |
| Nicking activity | ≤ 10 % |
| Loss on Drying (105°C) | ≤ 1.0 % |
| Biological buffer, pKa at 20 °C | 6.1 |
