半岛bd体育手机客户端 说明
分析说明
Assay (alkalimetric, calculated on dried substance): ≥ 99.0 %
Identity (IR-spectrum): passes test
Appearance: white to almost white, crystalline powder or colorless crystals
Appearance of solution (0.5?mol/l, hydrochloric acid 1?mol/l): clear and colorless
Spec. rotation (α 20/D, 50?g/l, hydrochloric acid 1 mol/l, calc. on dried substance): +31.5 to +32.5
UV-Absorption (260?nm, 0.5?mol/l, 1?cm, hydrochloric acid 1?mol/l): ≤ 0.10
UV-Absorption (280?nm, 0.5?mol/l, 1?cm, hydrochloric acid 1?mol/l): ≤ 0.10
Chloride (Cl): ≤ 0.02 %
Sulfate (SO?): ≤ 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): ≤ 0.01 %
NH? (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 %
基本信息
| 经验(实验)分子式 | C5H9NO4 |
| 分子量 | 147.13 |
| MDL编号 | MFCD00002634 |
| EC索引号 | 200-293-7 |
半岛bd体育手机客户端 性质
| 质量水平 | 100 |
| 测定 | ≥99% substance (anhydrous) basis (alkalimetric) |
| 形式 | solid |
| 效能 | >30000 mg/kg LD50, oral (Rat) |
| pH值(酸碱度) | 3.0-3.5 (25 ℃, 8.6 g/L in H2O) |
| mp | 160 ℃ |
| 密度 | 1.54 g/cm3at 20 ℃ |
| 堆积密度 | 460 kg/m3 |
| 痕量阴离子 | chloride (Cl-): ≤0.02% sulfate (SO42-): ≤0.01% |
| 痕量阳离子 | As: ≤0.0005% Ca: ≤0.001% Co: ≤0.0005% Fe: ≤0.0005% K: ≤0.0005% Mg: ≤0.0005% NH4+: ≤0.01% Na: ≤0.01% Zn: ≤0.0005% heavy metals (as Pb): ≤0.001% |
| 储存温度 | 2-30℃ |
| InChI | 1S/C5H9NO4/c6-3(5(9)10)1-2-4(7)8/h3H,1-2,6H2,(H,7,8)(H,9,10) |
| InChI key | WHUUTDBJXJRKMK-UHFFFAOYSA-N |
安全信息
| 储存分类代码 | 11 - Combustible Solids |
| WGK | WGK 1 |
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