产品说明
分析说明
Assay (Perchloric acid titration, calc. on anhydrous substance): ≥ 99.0 %
Identity (IR-spectrum): passes test
Appearance: white, crystalline powder or colorless crystals with characteristic odor
Appearance of solution (100 g/l, water): clear and colorless
Spec. rotation(α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance): +25.5 to +26.5
Heavy metals (as Pb): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.01 %
Foreign amino acids: ≤ 0.3 %
Other ninhydrine positive substances: ≤ 0.1 %
Water (according to Karl Fischer): 10.0 - 12.0 %
基本信息
线性分子式 | NH2(CH2)4CH(NH2)COOH |
分子量 | 146.19 (anhydrous basis) |
MDL编号 | MFCD00151035 |
EC索引号 | 200-294-2 |
产品性质
质量水平 | 100 |
pH值(酸碱度) | 9-10.5 (20 ℃, 80 g/L in H2O) |
mp | 207-209 ℃ (decomposes) |
溶解性 | >1500 g/L |
堆积密度 | 366 kg/m3 |
储存温度 | 2-8℃ |
安全信息
储存分类代码 | 11 - Combustible Solids |
WGK | WGK 1 |
闪点(F) | Not applicable |
闪点(C) | Not applicable |