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Merck
CN

DX1543

N,N-Dimethylacetamide

OmniSolv®, ≥99.9% (GC)

别名:

N,N-Dimethylacetamide, DMAC

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线性分子式:
CH3CON(CH3)2
化学文摘社编号:
127-19-5
UNSPSC Code:
12352111
EC Index Number:
204-826-4
MDL number:
MFCD00008686
Assay:
≥99.9% (GC)
Technique(s):
HPLC: suitable, LC/MS: suitable, gas chromatography (GC): suitable
Bp:
165-166 °C/1013 hPa
Vapor pressure:
1.76 hPa ( 20 °C)

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SMILES string

N(C)(C)C(=O)C

InChI

1S/C4H9NO/c1-4(6)5(2)3/h1-3H3

InChI key

FXHOOIRPVKKKFG-UHFFFAOYSA-N

vapor pressure

1.76 hPa ( 20 °C)

product line

OmniSolv®

assay

≥99.9% (GC)

form

liquid

technique(s)

HPLC: suitable, LC/MS: suitable, gas chromatography (GC): suitable

impurities

≤0.05% Water (H2O)

evapn. residue

≤5 ppm

color

APHA: ≤10

pH

4 (20 °C, 200 g/L in H2O)

bp

165-166 °C/1013 hPa

mp

-20 °C

transition temp

flash point 64 °C

density

0.931-0.941  g/mL at 25 °C

UV cutoff

≤270 nm

UV absorption

λ: 270 nm Amax: ≤1.00, λ: 280 nm Amax: ≤0.30, λ: 290 nm Amax: ≤0.15, λ: 310 nm Amax: ≤0.05, λ: 360 nm Amax: ≤0.01

shipped in

ambient

storage temp.

room temp

Quality Level

100

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相关类别

General description

N,N-Dimethylacetamide (DMAc) is a polar aprotic solvent known for its high solvency power, thermal stability, and low UV absorbance. It is particularly suitable for analytical chromatography, especially in methods requiring dissolution of polar and high-molecular-weight analytes.

Application

N,N-Dimethylacetamide can be used:
  • As a mobile phase modifier or sample solvent for polar and polymeric compounds, enhancing solubility and peak resolution in reversed-phase and size-exclusion HPLC.
  • In chromatographic analysis of synthetic polymers and resins, its strong solvating ability supports accurate molecular weight distribution profiling.

Packaging

M-Bottle for Solvents
As a global leader in lab reagents, we are constantly looking for new ways to optimize the safety of our products. The newly developed 4L solvent bottle design features advanced sealing technology that eliminates leaks to make the handling of solvents safer and more convenient than ever before.
See all the new features here!
is packaged in 1L amber glass bottle
is packaged in 4L amber glass bottle

Preparation Note

Product filtered through a 0.2 μm filter

Analysis Note

Assay (GC)99.9% minColor (APHA)10 maxDensity at 25°C0.931-0.941g/mLEvaporation residue5ppm maxFiltered through 0.2 µm filterTo pass testFormClear liquidInfrared SpectrumConforms to standardTitrable acidµeq/gTitrable baseµeq/gUV Abs. at 270 nm1.00AU maxUV Abs. at 280 nm0.30AU maxUV Abs. at 290 nm0.15AU maxUV Abs. at 310 nm0.05AU maxUV Abs. at 360 nm0.01AU maxUV Cut-off270nm maxWater (H2O)0.05% max

Legal Information

OMNISOLV is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

Hazard Classifications

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

存储类别

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

wgk

WGK 2

flash_point_f

147.2 °F - closed cup

flash_point_c

64 °C - closed cup

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