57-13-6
Urea
Carbonyldiamide
Carbamide, Carbonyl diamide, Diaminomethanone, Carbonyldiamine
Carbamide
尿素
碳酰二胺
碳酰胹�br />

产品介绍９�/div>

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� 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、�/p>

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
NH? (Ammonium): �� 0.0500 %
Chloride (Cl): �� 0.0005 %
Sulfate (SO?): �� 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
分子野�/td>	60.06
Beilstein	635724
MDL编号	MFCD00008022
EC索引叶�/td>	200-315-5

产品性质

质量水平	200
等级	ACS reagent
agency	reag. Ph. Eur.
蒸汽厊�/td>	<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�?酸碱�?	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	15-25ℂ�/td>
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