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L-Aspartic Acid

L-α-Aminosuccinic acid, L-αlpha-Aminosuccinic acid, Asp

品牌
Millipore
CAS
56-84-8
货号
1.00126
规格纯度
for biochemistry
参考价格
437.76 *本价格含增值税费
促销
数量
-+
产品介绍:

产品说明

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): +25.3 to +26.3
UV-Absorption (260 nm, 0.5 mol/l, 1 cm, hydrochloric acid 1 mol/l): ≤ 0.25
UV-Absorption (280 nm, 0.5 mol/l, 1 cm, hydrochloric acid 1 mol/l): ≤ 0.20
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): ≤ 0.3 %

基本信息

经验(实验)分子式C4H7NO4
分子量133.10
MDL编号MFCD00002616
EC索引号200-291-6

产品性质

质量水平100
形式solid
pH值(酸碱度)2.5-3.5 (20 ℃, 4 g/L in H2O)
mp269-271 ℃ (decomposition)
溶解性 4 g/L
堆积密度430 kg/m3
储存温度2-30℃
InChI1S/C4H7NO4/c5-2(4(8)9)1-3(6)7/h2H,1,5H2,(H,6,7)(H,8,9)
InChI keyCKLJMWTZIZZHCS-UHFFFAOYSA-N

安全信息

储存分类代码11 - Combustible Solids
WGKWGK 1
闪点(F)Not applicable
闪点(C)Not applicable

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