您的位置：首页 > 产品中心 > 56-45-1， L-Serine
L-Serine
产品价格查看更多规格...
| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 4058236 | 10 G | 618 | |||
| 4058236 | 100 G | 1063 | |||
| 4058236 | 1 KG | 7050 | |||
| 4058236 | 10 KG | 34420 |
产品别名
56-45-1
L-Serine
3-Hydroxy-L-alanine, Ser
基本信息
| Empirical Formula【经验(实验)分子式】 | C3H7NO3 |
| Molecular weight | 105.09 |
| MDL number | MFCD00064224 |
| EC Index Number【EC索引号】 | 200-274-3 |
| Analysis Note【分析说明】 | Assay (perchloric acid titration, calculated on dried substance): ≥ 99.0 % Identity (IR-spectrum): passes test Appearance: white to almost white or colorless, needle-shaped crystals Appearance of solution (1 mol/l, water): clear and colorless Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance): +14.3 to +15.8 UV-Absorption(260 nm; 1 mol/l; 1 cm; water): ≤ 0.05 UV-Absorption(280 nm; 1 mol/l; 1 cm; water): ≤ 0.02 Chloride (Cl): ≤ 0.02 % Sulfate (SO₄): ≤ 0.01 % Heavy metals (as Pb): ≤ 0.001 % As (Arsenic): ≤ 0.0005 % Ca (Calcium): ≤ 0.001 % Co (Cobalt): ≤ 0.0005 % Fe (Iron): ≤ 0.0005 % K (Potassium): ≤ 0.0005 % Mg (Magnesium): ≤ 0.0005 % Na (Sodium): ≤ 0.005 % NH₄ (Ammonium): ≤ 0.01 % Zn (Zinc): ≤ 0.0005 % Foreign amino acids: ≤ 0.3 % Other ninhydrine positive substances: ≤ 0.1 % Loss on drying (105 °C; 3 h): ≤ 0.3 % |
产品性质
| Quality Level【质量水平】 | 100 |
| form【形式】 | solid |
| pH【pH值(酸碱度)】 | 5-6 (20 ℃, 100 g/L in H2O) |
| mp | 215-225 ℃ (decomposes) |
| solubility【溶解性】 | 360 g/L |
| bulk density【堆积密度】 | 570 kg/m3 |
| storage temp.【储存温度】 | 2-30℃ |
| InChI | 1S/C3H7NO3/c4-2(1-5)3(6)7/h2,5H,1,4H2,(H,6,7) |
| InChI key | MTCFGRXMJLQNBG-UHFFFAOYSA-N |
安全信息
| Storage Class Code【储存分类代码】 | 11 - Combustible Solids |
| WGK | WGK 1 |
