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Merck
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重要文件

U0631

Sigma-Aldrich

尿素

BioXtra, pH 7.5-9.5 (20 °C, 5 M in H2O)

同義詞:

碳酰二胺, 碳酰胺

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About This Item

線性公式:
NH2CONH2
CAS號碼:
分子量::
60.06
Beilstein:
635724
EC號碼:
MDL號碼:
分類程式碼代碼:
12352111
PubChem物質ID:
NACRES:
NA.31
化驗:
98.5-101.5%
應用:
diagnostic assay manufacturing

產品線

BioXtra

品質等級

化驗

98.5-101.5%

形狀

powder, crystals or pellets

雜質

≤0.005% Phosphorus (P)
≤0.1% Insoluble matter

燃燒殘留物

≤0.1%

pH值

7.5-9.5 (20 °C, 5 M in H2O)

mp

132-135 °C (lit.)

溶解度

H2O: 5 M at 20 °C, clear, colorless

密度

1.335 g/mL at 25 °C (lit.)

負離子痕跡

chloride (Cl-): ≤0.05%
sulfate (SO42-): ≤0.05%

正離子痕跡

Al: ≤0.0005%
Ca: ≤0.001%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Na: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.0005%

吸收

≤0.06 at 260 nm at 5 M
≤0.06 at 280 nm at 5 M

應用

diagnostic assay manufacturing

SMILES 字串

NC(N)=O

InChI

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

InChI 密鑰

XSQUKJJJFZCRTK-UHFFFAOYSA-N

基因資訊

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應用

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。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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分析證明 (COA)

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