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Merck
CN

47670

甲酰胺

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

别名:

C1 酰胺, 氨基甲醛

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关于此项目

线性分子式:
HCONH2
化学文摘社编号:
分子量:
45.04
EC Number:
200-842-0
UNSPSC Code:
12352111
PubChem Substance ID:
Beilstein/REAXYS Number:
505995
MDL number:
Assay:
≥99.5% (GC/T)
Technique(s):
PCR: suitable
Bp:
210 °C (lit.)
Vapor pressure:
0.08 mmHg ( 20 °C), 30 mmHg ( 129 °C)
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InChI key

ZHNUHDYFZUAESO-UHFFFAOYSA-N

InChI

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

SMILES string

NC=O

grade

ACS reagent, puriss. p.a.

vapor density

1.55 (vs air)

vapor pressure

0.08 mmHg ( 20 °C), 30 mmHg ( 129 °C)

assay

≥99.5% (GC/T)

form

liquid

autoignition temp.

932 °F

expl. lim.

2.7-19 %

technique(s)

PCR: suitable

impurities

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

Quality Level

pH

4-10 (20 °C, 200 g/L)

bp

210 °C (lit.)

mp

2-3 °C (lit.)

transition temp

transition temp 2.0-3.0 °C

density

1.132 g/mL at 20 °C, 1.134 g/mL at 25 °C (lit.)

cation traces

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

suitability

in accordance for miscibility

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General description

甲酰胺是一种无色有机溶剂。研究表明,它可以提高PCR(聚合酶链式反应)研究的精确度。对其同位素形式的微波光谱研究表明,甲酰胺分子是非平面的,其中H2N-C基团呈现浅金字塔状结构。

Application

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。

pictograms

Health hazard

signalword

Danger

Hazard Classifications

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

target_organs

Blood

存储类别

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

wgk

WGK 1

flash_point_f

305.6 °F

flash_point_c

152 °C


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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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
Solubilization in formamide protects RNA from degradation.
Chomczynski P.
Nucleic Acids Research, 20(14), 3791-3791 (1992)
The formamide method for the extraction of polysaccharides from haemolytic streptococci.
Fuller AT.
British Journal of Experimental Pathology, 32(1), 130-130 (1960)
Penelope A Bryant et al.
PloS one, 6(5), e19556-e19556 (2011-06-10)
A central issue in the design of microarray-based analysis of global gene expression is that variability resulting from experimental processes may obscure changes resulting from the effect being investigated. This study quantified the variability in gene expression at each level

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