Synonyms：
N,N-Dimethylacetamide
Acetamide,N,N-dimethyl
Acetic acid-dimethylamide
Dimethylamide acetate
N,N-Dimethylethanamide
N-N-Dimethylacetamide
DIMETHYL ACETAMIDE
acetic acid dimethylamide
N-Acetyldimethylamine
Acetdimethylamide
Dimethylacetone amide
Acetamide, N,N-dimethyl-
N,N-Dimethylacetamid
N,N-dimethyl-acetamide
Molecular Formula: C4H9NO
Molecular Weight: 87.12040
Appearance and properties: transparent colorless liquid
Density: 1.156 g/mL at 25 °C(lit.)
Boiling point: 95-96 °C(lit.)
Melting point: -20 °C
Flash point: 40 °F
Refractive index: n20/D 1.439(lit.)
Water solubility: miscible
Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
Storage conditions: complete packaging, light loading and unloading, the warehouse is ventilated, away from open flames, high temperatures, and stored separately from oxidants and acids
use:
Used as a pharmaceutical intermediate, a solvent for spinning of spandex, aramid, acrylic and high-grade polyimide film.
| Items of Analysis | Standard of Analysis | Test Results |
| Appearance | Colorless and Clear liquid | Colorless and Clear liquid |
| Water Content | ≤300ppm | 240ppm |
| Acidity base on acetic acid | ≤200ppm | 80ppm |
| Basicity base on Dimethylamine | ≤100ppm | 28ppm |
| PH (25℃，20% aqueous solution) | 4.0~8.0 | 6.8 |
| Relative Density (20℃) | 0.938~0.942 g/ml | 0.94 g/ml |
| Assay | ≥99.5% | 99.83% |
| Conclusion | Conforms to Factory Standard |
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