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Merck
CN

U5128

尿素

ACS reagent grade, ≤0.001% (Heavy Metals by ICP-OES, metals basis), 99.0-100.5%, solid

别名:

碳酰二胺, 碳酰胺

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关于此项目

线性分子式:
NH2CONH2
化学文摘社编号:
分子量:
60.06
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
200-315-5
MDL number:
Beilstein/REAXYS Number:
635724
Assay:
≤0.001% (Heavy Metals by ICP-OES, metals basis), 99.0-100.5%
Form:
solid
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产品名称

尿素, ACS reagent, 99.0-100.5%

grade

ACS reagent

Quality Level

assay

≤0.001% (Heavy Metals by ICP-OES, metals basis), 99.0-100.5%

form

solid

impurities

≤0.01% Insoluble matter

ign. residue

≤0.01%

mp

132-135 °C (lit.)

solubility

H2O: soluble 480 g/L at 20 °C

density

1.335 g/mL at 25 °C (lit.)

anion traces

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

cation traces

Fe: ≤0.001%

functional group

amine

SMILES string

NC(N)=O

InChI

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

InChI key

XSQUKJJJFZCRTK-UHFFFAOYSA-N

Gene Information

human ... CA1(759), CA2(760)
rat ... Ppm1a(24666)

General description

尿素是无色有机化合物,无任何异味。它易溶于水。

Application

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。

Biochem/physiol Actions

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。


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存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)



历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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全球贸易项目编号

货号GTIN
U5128-500G04061835559909
U5128-5KG04061835559916
U5128-100G04061835559886
U5128-1KG04061835559893
U5128-5G04061837409738