Merck
All Photos(4)

U5128

Sigma-Aldrich

尿素

ACS reagent, 99.0-100.5%

Synonym(s):
碳酰二胺, 碳酰胺
Linear Formula:
NH2CONH2
CAS Number:
Molecular Weight:
60.06
Beilstein:
635724
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.21

质量水平

200

等级

ACS reagent

测定

99.0-100.5%

形式

solid

杂质

≤0.01% Insoluble matter

灼烧残渣

≤0.01%

mp

132-135 °C (lit.)

溶解性

H2O: soluble 480 g/L at 20 °C

密度

1.335 g/mL at 25 °C (lit.)

痕量阴离子

chloride (Cl-): ≤5 ppm
sulfate (SO42-): ≤0.001%

痕量阳离子

Fe: ≤0.001%
heavy metals (as Pb): ≤0.001%

SMILES string

NC(N)=O

InChI

1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)

InChI key

XSQUKJJJFZCRTK-UHFFFAOYSA-N

Gene Information

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Related Categories

一般描述

尿素是无色有机化合物,无任何异味。它易溶于水。

应用

尿素已用于:
  • 将储血罐中的尿素氮浓度调节至优选范围,以评估透析器尿素清除率
  • 制备测量尿素合成的标准品
  • 制备用于血液尿素氮测定的标准品

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。

包装

5, 100, 500 g in poly bottle
1 kg in poly bottle
5 kg in poly drum

生化/生理作用

尿素参与含氮物质的代谢。用作肥料时,它可作为氮源。尿素用于制造化合物。它在农业领域广泛用作肥料和动物饲料添加剂,在畜牧业中用作氮补充剂。尿素会对土壤中的种子发芽、幼苗生长和植物早期生长产生不利影响。

储存分类代码

11 - 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)

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

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