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L-Glutamic Acid
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 |
| 4060260 | 250 G | 800 | |||
| 4060260 | 1 KG | 2630 | |||
| 4060260 | 10 KG | 17380 |
产品别名
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】 | C5H9NO4 |
| 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 (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): ≤ 0.01 % 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 % |
产品性质
| 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 LD50, oral (Rat) |
| pH【pH值(酸碱度)】 | 3.0-3.5 (25 ℃, 8.6 g/L in H2O) |
| mp | 160 ℃ |
| density | 1.54 g/cm3 at 20 ℃ |
| bulk density【堆积密度】 | 460 kg/m3 |
| anion traces【痕量阴离子】 | chloride (Cl-): ≤0.02% sulfate (SO42-): ≤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% NH4+: ≤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 |
