A4418

硫酸铵

for molecular biology, ≥99.0%

• Synonym(s): 硫铵石
• Linear Formula: (NH₄)₂SO₄
• CAS Number: 7783-20-2
• Molecular Weight: 132.14
• EC 号: 231-984-1
• MDL编号: MFCD00003391
• eCl@ss: 38030408
• PubChem化学物质编号: 24890861
• NACRES: NA.31

Properties

• 等级: for molecular biology
• 质量水平: 200
• 测定: ≥99.0%
• 形式: powder
• 杂质: ≤0.005% Insolubles
• pH值（酸碱度）: 5.0-6 (25 °C, 132 g/L)
• mp: >280 °C (dec.) (lit.)
• 溶解性: H₂O: 0.667 g/mL
• 密度: 1.77 g/mL at 25 °C (lit.)
• 痕量阴离子: chloride (Cl^-): ≤5 ppm
• 痕量阳离子: Cu: ≤5 ppm; Fe: ≤5 ppm; Zn: ≤5 ppm; heavy metals (as Pb): ≤2 ppm
• 吸光度: ≤0.025 at 280 at 1 M; ≤0.03 at 260 at 1 M
• 异质活性: DNase, RNase, and protease, none detected
• SMILES string: N.N.OS(O)(=O)=O
• InChI: 1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
• InChI key: BFNBIHQBYMNNAN-UHFFFAOYSA-N

Description

一般描述

硫酸铵通常在农业中被用作一种氮肥。它在水溶液中会解离形成铵离子和硫酸根离子。

包装

100, 500 g in poly bottle

1 kg in poly bottle

5 kg in poly drum

应用

硫酸铵已用于用于蛋白的′蓝银′胶体考马斯染液的制备。[1]
硫酸铵可用于蛋白质的沉淀或分级，或用于抗体的纯化。它还可用于核酸和蛋白质的晶体学分析。

Safety Information

• 储存分类代码: 13 - Non Combustible Solids
• WGK: WGK 1
• 闪点(F): Not applicable
• 闪点(C): Not applicable
• 个人防护装备: Eyeshields, Gloves, type N95 (US)