8.03235

N,N-Dimethylacetamide

for synthesis

• Sinónimos: N,N-Dimethylacetamide, Acetic acid dimethylamide, Acetyldimethylamine, DMA
• Fórmula lineal: CH₃CON(CH₃)₂
• Número de CAS: 127-19-5
• Peso molecular: 87.12
• Número MDL: MFCD00008686
• Código UNSPSC: 12352111
• Número índice de la CE: 204-826-4
• NACRES: NA.22
• Ensayo: ≥99% (GC)
• bp: 165-166 °C/1013 hPa
• presión de vapor: 1.76 hPa ( 20 °C)

Propiedades

• presión de vapor: 1.76 hPa ( 20 °C)
• Nivel de calidad: 200
• Ensayo: ≥99% (GC)
• Formulario: liquid
• temp. de autoignición: 400 °C
• potencia: 5830 mg/kg LD₅₀, oral (Rat)
• lim. expl.: 1.7-11.5 % (v/v)
• pH: 4 (20 °C, 200 g/L in H₂O)
• bp: 165-166 °C/1013 hPa
• mp: -20 °C
• temperatura de transición: flash point 64 °C
• solubilidad: soluble >1000 g/L
• densidad: 0.94 g/cm³ at 20 °C
• temp. de almacenamiento: 2-30°C
• cadena SMILES: N(C)(C)C(=O)C
• InChI: 1S/C4H9NO/c1-4(6)5(2)3/h1-3H3
• Clave InChI: FXHOOIRPVKKKFG-UHFFFAOYSA-N

Descripción

Descripción general

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.[1][2]

Aplicación

N,N-Dimethylacetamide is used as a solvent:

• In the synthesis of poly(amide-hydrazide)s–graphene composites.[3]
• 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.[4]

Características y beneficios

N,N-Dimethylacetamide has :

• High dissolution power of various substrate. 
• High capacity to solvate anions.[2]

Nota de análisis

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

Información de seguridad

• Pictogramas: GHS07,GHS08
• Palabra de señalización: Danger
• Frases de peligro: H312 + H332 - H319 - H360D
• Consejos de prudencia: P202 - P280 - P302 + P352 + P312 - P304 + P340 + P312 - P305 + P351 + P338 - P308 + P313
• Clasificaciones de peligro: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Repr. 1B
• Código de clase de almacenamiento: 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• Clase de riesgo para el agua (WGK): WGK 2
• Punto de inflamabilidad (°F): 147.2 °F - closed cup
• Punto de inflamabilidad (°C): 64 °C - closed cup