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Merck

154806

N,N-Dimethylacetamide

spectrophotometric grade, ≥99%

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About This Item

Linear Formula:
CH3CON(CH3)2
CAS Number:
127-19-5
Molecular Weight:
87.12
UNSPSC Code:
12352111
NACRES:
NA.21
PubChem Substance ID:
329750896
EC Number:
204-826-4
Beilstein/REAXYS Number:
1737614
MDL number:
MFCD00008686
Assay:
≥99%
Grade:
spectrophotometric grade
Technique(s):
UV/Vis spectroscopy: suitable
Bp:
164.5-166 °C (lit.)
Vapor pressure:
2 mmHg ( 25 °C), 4 mmHg ( 38 °C)

Key Documents

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InChI key

FXHOOIRPVKKKFG-UHFFFAOYSA-N

InChI

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

SMILES string

CN(C)C(C)=O

grade

spectrophotometric grade

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

Quality Level

100

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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.

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.

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

Hazard Classifications

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

Storage Class

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

127-19-5

CAS No.

127-19-5

CAS No.

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Certificates of Analysis (COA)

Lot/Batch Number
SHBN8874
SHBL0845
SHBK0380
SHBH6670
SHBH3868V

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Corrosion protection of magnesium alloy AZ31 by coating with poly (ether imides)(PEI)
Scharnagl.N, et al.
Surface and Coatings Technology, 203(10), 1423-1428 (2009)
Rapid microwave-assisted synthesis and characterization of cellulose-hydroxyapatite nanocomposites in N, N-dimethylacetamide solvent
Ma M-G, et al.
Carbohydrate Research, 345(8), 1046-1050 (2010)
Solutions of cellulose in N, N-dimethylacetamide/lithium chloride studied by light scattering methods.
Roder T, et al.
Polymer, 42(16), 6765-6773 (2001)
André H Gröschel et al.
Nature communications, 3, 710-710 (2012-03-20)
Hierarchical self-assembly offers elegant and energy-efficient bottom-up strategies for the structuring of complex materials. For block copolymers, the last decade witnessed great progress in diversifying the structural complexity of solution-based assemblies into multicompartment micelles. However, a general understanding of what
Fen Ran et al.
Acta biomaterialia, 7(9), 3370-3381 (2011-06-11)
An amphiphilic triblock co-polymer of poly(vinyl pyrrolidone)-b-poly(methyl methacrylate)-b-poly(vinyl pyrrolidone) (PVP-b-PMMA-b-PVP) was synthesized via reversible addition-fragmentation chain transfer (RAFT) polymerization. The block co-polymer can be directly blended with polyethersulfone (PES) using dimethylacetamide (DMAC) as the solvent to prepare flat sheet and
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