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L-Arginine
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 |
| 4081696 | 100 G | 650 | |||
| 4081696 | 1 KG | 2900 | |||
| 4081696 | 10 KG | 17010 |
产品别名
74-79-3
L-Arginine
ARG
基本信息
| Empirical Formula【经验(实验)分子式】 | C6H14N4O2 |
| Molecular weight | 174.20 |
| MDL number | MFCD00002635 |
| EC Index Number【EC索引号】 | 200-811-1 |
| 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, fine-grain powder or colorless crystals Appearance of solution (0.5 mol/l, water): clear and colorless Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance): +25.0 to +26.5 UV-Absorption (260 nm; 0.5 mol/l; 1 cm; water): ≤ 0.35 UV-Absorption (280 nm; 0.5 mol/l; 1 cm; water): ≤ 0.15 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): ≤ 0.5 % |
产品性质
| Quality Level【质量水平】 | 100 |
| potency【效能】 | >5110 mg/kg LD50, oral (Rat) |
| pH【pH值(酸碱度)】 | 11.4 (20 ℃, 100 g/L in H2O) |
| mp | 238 ℃ (decomposition) |
| bulk density【堆积密度】 | 640 kg/m3 |
| storage temp.【储存温度】 | 2-30℃ |
| InChI | 1S/C6H14N4O2/c7-4(5(11)12)2-1-3-10-6(8)9/h4H,1-3,7H2,(H,11,12)(H4,8,9,10) |
| InChI key | ODKSFYDXXFIFQN-UHFFFAOYSA-N |
安全信息
| Storage Class Code【储存分类代码】 | 13 - Non Combustible Solids |
| WGK | WGK 1 |
