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154806

Sigma-Aldrich

N,N-Dimethylacetamide

spectrophotometric grade, ≥99%

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Linear Formula:
CH3CON(CH3)2
CAS Number:
Molecular Weight:
87.12
Beilstein:
1737614
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

spectrophotometric grade

Quality Level

vapor density

3 (vs air)

vapor pressure

2 mmHg ( 25 °C)
4 mmHg ( 38 °C)

Assay

≥99%

form

liquid

autoignition temp.

914 °F

expl. lim.

1.8 %, 100 °F
11.5 %, 160 °F

technique(s)

UV/Vis spectroscopy: suitable

impurities

<0.050% water

evapn. residue

<0.001%

refractive index

n20/D 1.437 (lit.)

pH

4 (20 °C, 200 g/L)

bp

164.5-166 °C (lit.)

mp

−20 °C (lit.)

density

0.937 g/mL at 25 °C (lit.)

λ

H2O reference

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: 320 nm Amax: 0.03
λ: 360-400 nm Amax: 0.01

SMILES string

CN(C)C(C)=O

InChI

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

InChI key

FXHOOIRPVKKKFG-UHFFFAOYSA-N

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This Item
38840RTC000104185884
N,N-Dimethylacetamide spectrophotometric grade, &#8805;99%

Sigma-Aldrich

154806

N,N-Dimethylacetamide

N,N-Dimethylacetamide puriss. p.a., &#8805;99.5% (GC)

Sigma-Aldrich

38840

N,N-Dimethylacetamide

Supelco

Supelco

RTC000104

N,N-Dimethylacetamide

N,N-Dimethylacetamide ReagentPlus&#174;, &#8805;99%

Sigma-Aldrich

185884

N,N-Dimethylacetamide

vapor density

3 (vs air)

vapor density

3 (vs air)

vapor density

-

vapor density

3 (vs air)

vapor pressure

2 mmHg ( 25 °C), 4 mmHg ( 38 °C)

vapor pressure

2 mmHg ( 25 °C), 4 mmHg ( 38 °C)

vapor pressure

-

vapor pressure

2 mmHg ( 25 °C), 4 mmHg ( 38 °C)

assay

≥99%

assay

≥99.5% (GC)

assay

-

assay

≥99%

form

liquid

form

liquid

form

-

form

liquid

autoignition temp.

914 °F

autoignition temp.

914 °F

autoignition temp.

-

autoignition temp.

914 °F

General description

N,N-Dimethylacetamide (DMAc) is widely used to compose solvent mixtures for cellulose. Static and dynamic light scattering studies of cellulose dissolved in varying concentrations of DMAc/LiCl mixtures have been reported.

Application

N,N-Dimethylacetamide have been used as solvent in the preparation of nanocomposite materials, comprising of cellulose and hydroxyapatite, using microwave-assisted method. It has also been used as a solvent for poly(ether imides), which can be used to coat magnesium alloys, in order to prevent corrosion.

Pictograms

Exclamation markHealth hazard

Signal Word

Danger

Hazard Classifications

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

Storage Class Code

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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Rapid microwave-assisted synthesis and characterization of cellulose-hydroxyapatite nanocomposites in N, N-dimethylacetamide solvent
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Solutions of cellulose in N, N-dimethylacetamide/lithium chloride studied by light scattering methods.
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