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154806

N,N-Dimethylacetamide

Name: <I>N,N</I>-Dimethylacetamide
Brand: SIGALD

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

eCl@ss:

39031204

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)

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Properties

grade

spectrophotometric grade

Quality Level

100

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 A_max: 1.00, λ: 280 nm A_max: 0.30, λ: 290 nm A_max: 0.15, λ: 310 nm A_max: 0.05, λ: 320 nm A_max: 0.03, λ: 360-400 nm A_max: 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

Description

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.

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pictograms

GHS08,GHS07

signalword

Danger

hcodes

H312 + H332,H319,H360D

pcodes

P202 - P280 - P302 + P352 + P312 - P304 + P340 + P312 - P305 + P351 + P338 - P308 + P313

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

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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)

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Global Trade Item Number

SKU	GTIN
C2490-500UG	04061832897639
154806-1L	04061838741639
154806-2L	04061838741646