MDL：
MFCD00008686

Molecular Formula：
C4H9NO； CH3CON(CH3)2

Molecular Weight：
87.12

Alias：
乙酰二甲胺,二甲替乙酰胺,二甲基乙酰胺

Product order：

Name	Specifications	Packing	Price	Delivery
N-N-Dimethylacetamide	GCS,≥99.9% (GC)	5ml	RMB 52.8	Consulting service
N-N-Dimethylacetamide	for HPLC, ≥99.8% (GC)	500ml	RMB 129.8	Consulting service
N-N-Dimethylacetamide	AR	500ml	RMB 52.8	Consulting service
N-N-Dimethylacetamide	GR	500ml	RMB 74.8	Consulting service
N-N-Dimethylacetamide	GR	10L	RMB 643.5	Consulting service
N-N-Dimethylacetamide	GR	25L	RMB 1078	Consulting service
N-N-Dimethylacetamide	for HPLC, ≥99.8% (GC)	1L	RMB 204.6	Consulting service
N-N-Dimethylacetamide	光譜級, ≥99.8%(GC)	500ml	RMB 126.5	Consulting service
N-N-Dimethylacetamide	光譜級,≥99.8%(GC)	4L	RMB 643.5	Consulting service
N-N-Dimethylacetamide	多肽合成級, ≥99.8%(GC)	500ml	RMB 316.8	Consulting service
N-N-Dimethylacetamide	多肽合成級, ≥99.8%(GC)	4L	RMB 2035	Consulting service
N-N-Dimethylacetamide	for HPLC, ≥99.8% (GC)	4L	RMB 643.5	Consulting service
N-N-Dimethylacetamide	紫外光譜級, ≥99.8%(GC)	500ml	RMB 129.8	Consulting service

Character：
 無色或近似無色澄明液體, 溶于水，溶于丙酮、苯、氯仿、乙醇、甲苯等大多數(shù)有機(jī)溶劑。 密度:0.937   熔點(diǎn):-20 °C 沸點(diǎn):164-166 °C   折光率nD20:1.437-1.439   閃點(diǎn):70 °C  

Quality Standard：
項(xiàng)目Item                                    分析純          
                                             (AR)            
純度Purity                                ≥99.0% (GC)
比重Specific gravity (20/20°C)           0.9385-0.9420  
沸程Boiling range,℃                      165-167(95%)  
游離酸(以CH3COOH計(jì))Free acid,%              ≤0.001        
折光率Refractive index n20/D              1.437-1.439    
灼燒殘?jiān)麵gnition residue,%                   ≤0.005          
水份Water,%                                  ≤0.05            
混合度Miscibility                            合格

項(xiàng)目                                       優(yōu)級純  
                                            (GR)
外觀Appearance                            清澈、無懸浮物
純度Purity                                ≥99.9% (GC)
色度Color scale，Hazen單位                ≤10（鉑-鈷色號）
水water                                   ≤250 ppm
鐵Iron(Fe)                                ≤0.050ppm  
酸度Acidity（乙酸計(jì)）                     ≤100.0ppm  
堿度alkalinity（二甲胺計(jì)）                ≤5.0ppm
電導(dǎo)率conductivity（25℃）                ≤0.50 us/cm
            

項(xiàng)目                                       化學(xué)純  
                                            (CP)
純度Purity                                 ≥98.0% (GC)
沸程Boiling range,℃                       164.0~167.0
比重Specific gravity (20/20°C)            0.938～0.942  
折光率Refractive index n20/D               1.437～1.439      
酸度Acidity(以H+計(jì))/（mmol/100g）          ≤0.002  
水分water                                  ≤0.10%  

項(xiàng)目                                              色譜純
                                                  (HPLC)
純度Purity                                      ≥99.8% (GC)
紫外吸光度UV Absorbance:
最大吸收波長Wavelength (nm) Max. Absorbance
268                                                1.000
275                                                0.300
300                                                0.080
350                                                0.005
400                                                0.005
溶劑洗脫雜質(zhì)GC Impurities Eluting Before Solvent  <0.5 mg/L
水分Water                                          <0.03%
（色譜純用于HPLC, GC和光譜級，氮?dú)夥庋b。）

品級Grade                               光譜級  
                                    (spectrophotometric grade)
外觀Appearance                          白色至米黃色粉末
紅外光譜鑒別Infrared spectrometry       Conforms
純度Purity                              ≥99.8% (GC)
λ H2O reference  
UV Absorbance 400nm                     ≤0.01
UV Absorbance 360nm                     ≤0.01
UV Absorbance 320nm                     ≤0.03
UV Absorbance 310nm                     ≤0.05
UV Absorbance 290nm                     ≤0.15
UV Absorbance 280nm                     ≤0.30
UV Absorbance 270nm                     ≤1.0
水分Water (by Karl Fischer)             ≤0.05 %
蒸發(fā)殘?jiān)黂esidue on Evaporation          ≤0.001 %

品級Grade                               多肽合成級  
                                  (grade for peptide synthesis)
外觀Appearance                          透明液體
紅外光譜鑒別Infrared spectrometry       Conforms
純度Purity                              ≥99.8% (GC)
水分water                               ≤0.02%  
胺測試實(shí)驗(yàn)suitability in amine test     pass test

品級Grade                               紫外光譜級  
                                  (grade for UV-spectroscopy )
純度Purity                              ≥99.8% (GC)
λ 1 cm path, H2O reference
UV absorption
  λ: 280 nm                             ≤0.3
  λ: 290 nm                             ≤0.15
  λ: 310 nm                             ≤0.05
  λ: 320 nm                             ≤0.03
  λ: 360 nm                             ≤0.005 

Storage：
密封保存。
用途  用于藥物合成的反應(yīng)溶劑，合成纖維紡絲與合成樹脂的溶劑，感光化學(xué)品發(fā)色劑的溶劑，涂料等的溶劑。催化劑。