Dimethylacetamide, the full name is N,N-dimethylacetamide (chemical formula: CH3C(O)N(CH3)2 abbreviated as DMAC or DMA. A commonly used aprotic polar solvent. Colorless Transparent liquid, flammable. Can be freely mixed with organic solvents such as water, alcohol, ether, ester, benzene, and aromatic compounds. Used in the preparation of drugs, synthetic resins, and also used as a solvent for polyacrylonitrile spinning and carbon Extractive distillation solvent for the separation of styrene in eight fractions, etc.
Nou gen anpil faktori-wo kalite ak gwo koperasyon, ki ka ba ou bon jan kalite pwodwi ak pri konpetitif. Epi nou ka bay tou rabè pou acha esansyèl. Epi nou kolabore ak anpil konpayi transpò machandiz pwofesyonèl, ka delivre pwodwi san danje epi san pwoblèm nan men ou. Tan livrezon se sou 3-20 jou apre konfimasyon peman an.
Specifications of dimethylacetamide
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Chemical fiber grade
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usp grade
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Industrial grade
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||
Chromatographic content
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(%)≥
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99.90
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99.85
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99.60
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Water content
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PPm ≤
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100
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300
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300
|
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Acid content
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(as HAC)
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PPm ≤
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80
|
|
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Alkali content
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(as DMA)
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PPm ≤
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5
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10
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10
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Iron content
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PPm ≤
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0.05
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/
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/
|
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Conductivity
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(20ºC)
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μs/cm≤
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0.5
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/
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/
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PH value (200g / L, 25 ºC)
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5.5-7.0
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4.5-7.0
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5.5-7.0
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||
Color and lustre
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Pt-Co≤
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5
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10
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10
|
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Water %
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≤0.2
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GB/T 6283-2008
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0.063
|
|
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Acid Assay, ml
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≤1.67
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GB 29216-2012
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1.04
|
|
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Burning residue %
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≤0.007
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GB/T 7531-2008
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0.006
|
|
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Pb mg/kg
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≤1
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GB/T 5009.75-2003
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0.000
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|
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