Dmac Dimethylacetamide
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.
Waxaan leenahay warshado badan oo tayo sare leh oo leh iskaashi qoto dheer, kuwaas oo ku siin kara alaab tayo sare leh iyo qiimo tartan leh. Waxaan sidoo kale ku siin karnaa qiimo-dhimis iibsasho badan. Oo waxaanu la shaqaynaa shirkado badan oo soo gudbiya xamuulka, waxaanu u gaarsiin karnaa alaabta si badbaado leh oo qumman gacmahaaga. Waqtiga bixinta waa qiyaastii 3-20 maalmood kadib xaqiijinta lacag bixinta.
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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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