产品说明
应用
用于蛋白质变性以及作为不溶性或变性蛋白的温和增溶剂。可用于从已由 6M 盐酸胍变性的样品(如包涵体)复性蛋白质。可与盐酸胍和二硫苏糖醇 (DTT) 一起用于复性变性蛋白以恢复其天然或活性形式。
联系
Replaces: UX0065-1
分析说明
Assay (ex N): 99.0 - 100.5 %
Assay (ex N, calc. on dried substance): 99.0 - 101.5 %
Purity (DSC (differential scanning calorimetry)): ≥ 99.5 %
Identity (IR-spectrum): passes test
Appearance of solution (10 %; Wasser; colour): colourless
Appearance of solution (10 %; Wasser; clarity): clear
In water insoluble matter: ≤ 0.003 %
Acidity, Alkalinity: ≤ 0.0005 meq/g
Melting point (DSC): 132 - 135 °C
NH₄ (Ammonium): ≤ 0.0500 %
Chloride (Cl): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0004 %
Biuret: ≤ 0.05 %
Sulfated ash (600 °C): ≤ 0.005 %
Cu (Copper): ≤ 0.0001 %
Fe (Iron): ≤ 0.0001 %
Pb (Lead): ≤ 0.0002 %
Loss on Drying (105°C): ≤ 1.0 %
Corresponds to ACS, Reag. Ph Eur
基本信息
| 线性分子式 | NH2CONH2 |
| 分子量 | 60.06 |
| Beilstein | 635724 |
| MDL编号 | MFCD00008022 |
| EC索引号 | 200-315-5 |
产品性质
| 质量水平 | 200 |
| 等级 | ACS reagent |
| agency | reag. Ph. Eur. |
| 蒸汽压 | <0.1 hPa ( 20 ℃) |
| 形式 | solid |
| 效能 | 8471 mg/kg LD50, oral (Rat) 8200 mg/kg LD50, skin (Rat) |
| technique(s) | titration: suitable |
| pH值(酸碱度) | 9 (20 ℃, 100 g/L in H2O) |
| mp | 132-135 ℃ (lit.) |
| 密度 | 1.335 g/mL at 25 ℃ (lit.) |
| 堆积密度 | 720‑760 kg/m3 |
| 储存温度 | 15-25℃ |
| SMILES string | NC(N)=O |
| InChI | 1S/CH4N2O/c2-1(3)4/h(H4,2,3,4) |
| InChI key | XSQUKJJJFZCRTK-UHFFFAOYSA-N |
安全信息
| 储存分类代码 | 11 - Combustible Solids |
| WGK | WGK 1 |
| 闪点(F) | Not applicable |
| 闪点(C) | Not applicable |
SUPELCO
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