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.
Bizda chuqur hamkorlikka ega bo'lgan ko'plab yuqori sifatli fabrikalar mavjud bo'lib, ular sizga yuqori sifatli mahsulotlar va raqobatbardosh narxlarni taqdim etadi. Shuningdek, biz ommaviy xaridlar uchun chegirmalar berishimiz mumkin. Va biz ko'plab professional ekspeditorlik kompaniyalari bilan hamkorlik qilamiz, mahsulotlarni sizning qo'llaringizga xavfsiz va muammosiz etkazib bera olamiz. Yetkazib berish muddati to'lov tasdiqlanganidan keyin taxminan 3-20 kun.
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
|
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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