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L-Serine
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| 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
鍩烘湰淇℃伅
| Empirical Formula【缁忛獙(瀹為獙)鍒嗗瓙寮彙� | C3H7NO3 |
| Molecular weight | 105.09 |
| MDL number | MFCD00064224 |
| EC Index Number【EC绱㈠紩鍙贰� | 200-274-3 |
| Analysis Note【鍒嗘瀽璇存槑】 | 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 % |
浜у搧鎬ц川
| Quality Level【璐ㄩ噺姘村钩】 | 100 |
| form【褰㈠紡】 | solid |
| pH【pH鍊�(閰哥⒈搴�)】 | 5-6 (20 鈩�, 100 g/L in H2O) |
| mp | 215-225 鈩� (decomposes) |
| solubility【婧惰В鎬А� | 360 g/L |
| bulk density【鍫嗙Н瀵嗗害】 | 570 kg/m3 |
| storage temp.【鍌ㄥ瓨娓╁害】 | 2-30鈩� |
| InChI | 1S/C3H7NO3/c4-2(1-5)3(6)7/h2,5H,1,4H2,(H,6,7) |
| InChI key | MTCFGRXMJLQNBG-UHFFFAOYSA-N |
瀹夊叏淇℃伅
| Storage Class Code【鍌ㄥ瓨鍒嗙被浠ｇ爜】 | 11 - Combustible Solids |
| WGK | WGK 1 |
