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Merck

648531

Sigma-Aldrich

N,N-二甲基甲酰胺

suitable for HPLC, ≥99.9%

别名:

DMF, NSC 5356

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About This Item

线性分子式:
HCON(CH3)2
CAS号:
分子量:
73.09
Beilstein:
605365
EC 号:
MDL编号:
UNSPSC代码:
12190000
PubChem化学物质编号:
价格与库存信息目前不能提供

等级

HPLC grade

质量水平

蒸汽密度

2.5 (vs air)

蒸汽压

2.7 mmHg ( 20 °C)

方案

≥99.9%

表单

liquid

自燃温度

833 °F

expl. lim.

15.2 %

技术

HPLC: suitable

杂质

≤0.030% water

蒸发残留物

≤0.0005%

折射率

n20/D 1.430 (lit.)

沸点

153 °C (lit.)

mp

−61 °C (lit.)

密度

0.944 g/mL (lit.)

吸附

0.010 at 340 nm
0.010 at 400 nm
0.05 at 310 nm
0.10 at 295 nm
0.30 at 275 nm
1.00 at 270 nm

应用

food and beverages

SMILES字符串

[H]C(=O)N(C)C

InChI

1S/C3H7NO/c1-4(2)3-5/h3H,1-2H3

InChI key

ZMXDDKWLCZADIW-UHFFFAOYSA-N

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一般描述

N,N-Dimethylformamide (DMF) is the commonly employed solvent for chemical reactions. DMF is a useful solvent employed for the isolation of chlorophyll from plant tissues.[1] It is widely employed reagent in organic synthesis. It plays multiple roles in various reactions such as solvent, dehydrating agent, reducing agent as well as catalyst. It is a multipurpose building block for the synthesis of compounds containing O, -CO, -NMe2, -CONMe2, -Me, -CHO as functional groups.[2] Dielectric relaxation experiments on DMF have been conducted between 238.15K and 338.15K.[3] The thermophysical properties of the molecular interactions between DMF and the ionic liquids, ammonium salts and imidazolium salts have been studied.[4] The characteristics of solute-solvent interactions between ammonium nitrate and DMF have been investigated.[5]

应用

多种疏水性有机化合物的溶剂。

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警示用语:

Danger

危险分类

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - Repr. 1B

储存分类代码

3 - Flammable liquids

WGK

WGK 2

闪点(°F)

135.5 °F - closed cup

闪点(°C)

57.5 °C - closed cup

个人防护装备

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Synthesis and electrochemical characterization of aPEO-based polymer electrolytes.
Rodrigues LC, et al.
Journal of Solid State Electrochemistry, 16(4), 1623-1629 (2012)
Measurements and molecular interactions for N,N-dimethylformamide with ionic liquid mixed solvents.
Attri P, et al.
The Journal of Physical Chemistry B, 114(18), 6126-6133 (2010)
The dynamics of liquid formamide, N-methylformamide, N,N-dimethylformamide, and N,N-dimethylacetamide. A dielectric relaxation study.
Barthel J, et al.
Journal of Molecular Liquids, 98, 51-69 (2002)
Volumetric properties of ammonium nitrate in N,N-dimethylformamide.
Vranes M, et al.
The Journal of Chemical Thermodynamics, 54, 245-249 (2012)
W P Inskeep et al.
Plant physiology, 77(2), 483-485 (1985-02-01)
We found inconsistencies in the commonly used data for chlorophyll analysis in 80% acetone. Recently developed extinction coefficients for chlorophyll b in N,N-dimethylformamide (DMF) based on values from 80% acetone are low as a result of these inconsistencies. We determined

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