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8.03235

N,N-Dimethylacetamide

for synthesis

Sinónimos:

N,N-Dimethylacetamide, Acetic acid dimethylamide, Acetyldimethylamine, DMA

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Fórmula lineal:
CH3CON(CH3)2
Número CAS:
127-19-5
Peso molecular:
87.12
UNSPSC Code:
12352111
EC Index Number:
204-826-4
NACRES:
NA.22
MDL number:
MFCD00008686
Assay:
≥99% (GC)
Grade:
synthesis grade
Bp:
165-166 °C/1013 hPa
Vapor pressure:
1.76 hPa ( 20 °C)
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grade

synthesis grade

Quality Level

200

vapor pressure

1.76 hPa ( 20 °C)

assay

≥99% (GC)

form

liquid

autoignition temp.

400 °C

potency

5830 mg/kg LD50, oral (Rat)

expl. lim.

1.7-11.5 % (v/v)

dilution

(for synthesis)

pH

4 (20 °C, 200 g/L in H2O)

bp

165-166 °C/1013 hPa

mp

-20 °C

transition temp

flash point 64 °C

solubility

soluble >1000 g/L

density

0.94 g/cm3 at 20 °C

storage temp.

2-30°C

SMILES string

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

InChI

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

InChI key

FXHOOIRPVKKKFG-UHFFFAOYSA-N

General description

N,N-Dimethylacetamide (DMAc) is a water-miscible organic solvent used in the synthesis of styrene, vinyl resin, linear polyester, acrylic fiber, plastic, pesticide, and synthetic leather. It participates in dehydrogenation, dehydration, halogenation, deprotonation reactions and reductive carbonylation of transition metals. It can also act as catalysts, promoters, halogen/alkoxy or hydroxyl/halogen exchange mediators, reducing agents, and sources of the base.

Application

N,N-Dimethylacetamide is used as a solvent:
  • In the synthesis of poly(amide-hydrazide)s–graphene composites.
  • In the synthesis of N,N′-1,2-ethanediylbis-(4-hydroxy-pentanamide) and 4-hydroxy-N-(2- hydroxyethyl)-pentanamide based polyurethanes in presence of triethylamine catalyst.

Features and Benefits

N,N-Dimethylacetamide has :
  • High dissolution power of various substrate. 
  • High capacity to solvate anions.

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.940 - 0.942
Water (K. F.): ≤ 0.30 %
Identity (IR): passes test

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pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

Hazard Classifications

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

wgk

WGK 2

flash_point_f

147.2 °F - closed cup

flash_point_c

64 °C - closed cup

Clase de almacenamiento

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

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N,N-Dimethylformamide and?N,N-Dimethylacetamide as Carbon, Hydrogen, Nitrogen, and/or Oxygen Sources
Jean LB, et al.
Solvents as Reagents in Organic Synthesis: Reactions and Applications (2017)
Poly (amide-hydrazide) s--graphene composites synthesis and characterization
Elsabee MZ, et al.
Polymer Composites, 38(7), 1311-1318 (2017)
Synthesis and characterization of novel polyurethanes based on N, N'-1, 2-ethanediylbis-(4-hydroxy-pentanamide) and 4-hydroxy-N-(2-hydroxyethyl)-pentanamide
Chalid M
Advanced Materials Research, 277, 112-119 (2011)
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