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重要文件

93572

Sigma-Aldrich

甲酰胺

puriss. p.a., ACS reagent, ≥99.5% (GC/T)

同義詞:

C1 酰胺, 氨基甲醛

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About This Item

線性公式:
HCONH2
CAS號碼:
分子量::
45.04
Beilstein:
505995
EC號碼:
MDL號碼:
分類程式碼代碼:
12352111
PubChem物質ID:
bp:
210 °C (lit.)

等級

ACS reagent
puriss. p.a.

品質等級

蒸汽密度

1.55 (vs air)

蒸汽壓力

0.08 mmHg ( 20 °C)
30 mmHg ( 129 °C)

化驗

≥99.5% (GC/T)

形狀

liquid

自燃溫度

932 °F

expl. lim.

2.7-19 % (lit.)

技術

hybridization: suitable

雜質

≤0.02% free acid (as HCOOH)
≤0.1% water

折射率

n20/D 1.447 (lit.)
n20/D 1.447

pH值

4-10 (20 °C, 200 g/L)

bp

210 °C (lit.)

mp

2-3 °C (lit.)

轉變溫度

solidification point 2-3 °C

密度

1.134 g/mL at 25 °C (lit.)

正離子痕跡

Ca: ≤5 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤1 mg/kg
K: ≤20 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Na: ≤20 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Zn: ≤1 mg/kg

適合性

complies for miscibility

SMILES 字串

NC=O

InChI

1S/CH3NO/c2-1-3/h1H,(H2,2,3)

InChI 密鑰

ZHNUHDYFZUAESO-UHFFFAOYSA-N

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應用

甲酰胺可使核酸双螺旋不稳定,通常可以 50% 的浓度,用于需要较低杂交温度的杂交实验。

相關產品

產品號碼
描述
訂價

象形圖

Health hazard

訊號詞

Danger

危險聲明

危險分類

Carc. 2 - Repr. 1B - STOT RE 2 Oral

標靶器官

Blood

儲存類別代碼

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

水污染物質分類(WGK)

WGK 1

閃點(°F)

305.6 °F

閃點(°C)

152 °C

個人防護裝備

Eyeshields, Gloves, type ABEK (EN14387) respirator filter


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分析證明 (COA)

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Solubilization in formamide protects RNA from degradation.
Chomczynski P.
Nucleic Acids Research, 20(14), 3791-3791 (1992)
Microwave spectrum and molecular structure of formamide.
Costain CC and Dowling JM.
J. Chem. Phys. , 32(1), 158-165 (1960)
J Casey et al.
Nucleic acids research, 4(5), 1539-1552 (1977-01-01)
The thermal stabilities of RNA:DNA hybrids are substantially greater than those of DNA:DNA duplexes in aqueous electrolyte solutions containing high concentrations of formamide. Association rates to form DNA:DNA duplexes and DNA:RNA hybrids have been measured in these solvents. There is
The formamide method for the extraction of polysaccharides from haemolytic streptococci.
Fuller AT.
British Journal of Experimental Pathology, 32(1), 130-130 (1960)
Mado Vandewoestyne et al.
International journal of legal medicine, 123(5), 441-447 (2009-03-26)
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