N,N-二甲基乙酰胺(DMA)
分子式:C4H9NO
CAS NO: 127-19-5
结构式:

物化性质:无色透明液体，熔点-20℃，沸点165-166℃，相对密度(20℃)0.9429,折射率1.437,闪点70℃，能与水、醇、醚、苯和三氯甲烷等有机溶剂任意混溶，在无水、酸、碱的条件下有很好的稳定性。
质量指标: 优级品 合格品
主含量(%) ≥99.90 ≥99.50
水份(%) ≤0.03 0.05
酸度(以乙酸计) ≤0.01 0.01
碱度(以二甲胺计) ≤0.01 0.01
包装:用200升铁桶包装，净重180kg/桶
用途:1.作为高沸点有机溶剂，用于聚酰亚胺、聚砜酰胺及其它高分子化合物的合成，也用于合成树脂拉膜和纺丝，还用于合成药物的结晶提纯等。
2.有机合成反应中做催化剂。
生产能力:6000吨/年

N,N-Dimethylacetamide(DMA)
Molecular Formula: C4H9NO
CAS NO: 127-19-5
Structural Formula:

Physicochemical Properties: Colorless transparent liquid with melting point of -20℃, boiling point of 165 - 166℃, relative density(at 20℃) equal to 0.9429, refractive index of 1.437 and flash point of 70℃; dissolvable in organic solvents like water, alcohol, ether, benzene or trichloromethane; very good stability in the absence of water, acid and alkaline.
Quality Index: Superior Grade Acceptable Product
Purity(%) ≥99.90 ≥99.50
Water(%) ≤0.03 0.05
Acidity(of acetic acid) ≤0.01 0.01
Alkalinity(of dimethylamine) ≤0.01 0.01
Package: 200L iron drum with net weight of 180kg/drum
Applications: 1. As an organic solvent of high boiling point, it is applicable for production of high malecular compounds like polyimide( PI) and polysnlfone amide(PSA), of synthetic resin films and yarns as well as for purification of crystallized synthetic drugs.
2.Serve as catalyst in organic synthesis reactions.
Production Capacity: 6,000 tons/year.