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L-Glutamic Acid
半岛bd体育手机客户端 价格
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| 半岛bd体育手机客户端 编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 4060260 | 250 G | 800 | |||
| 4060260 | 1 KG | 2630 | |||
| 4060260 | 10 KG | 17380 |
半岛bd体育手机客户端 别名
56-86-0
L-Glutamic Acid
L-α-Aminoglutaric acid, Glu, L-alpha-Aminoglutaric acid
基本信息
| Empirical Formula【经验(实验)分子式】 |
C
5H
9NO
4
|
| Molecular weight |
147.13
|
| MDL number |
MFCD00002634
|
| EC Index Number【EC索引号】 |
200-293-7
|
| Analysis Note【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 % |
半岛bd体育手机客户端 性质
| Quality Level【质量水平】 |
100
|
| Assay【测定】 |
≥99% substance (anhydrous) basis (alkalimetric)
|
| form【形式】 |
solid
|
| potency【效能】 |
>30000 mg/kg LD
50, oral (Rat)
|
| pH【pH值(酸碱度)】 |
3.0-3.5 (25 ℃, 8.6 g/L in H
2O)
|
| mp |
160 ℃
|
| density |
1.54 g/cm
3at 20 ℃
|
| bulk density【堆积密度】 |
460 kg/m
3
|
| anion traces【痕量阴离子】 |
chloride (Cl
-): ≤0.02%
sulfate (SO 4 2-): ≤0.01% |
| cation traces【痕量阳离子】 |
As: ≤0.0005%
Ca: ≤0.001% Co: ≤0.0005% Fe: ≤0.0005% K: ≤0.0005% Mg: ≤0.0005% NH 4 +: ≤0.01% Na: ≤0.01% Zn: ≤0.0005% heavy metals (as Pb): ≤0.001% |
| storage temp.【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
| Storage Class Code【储存分类代码】 |
11 - Combustible Solids
|
| WGK |
WGK 1
|
