1-Methyl-2-pyrrolidinone

MDL：
MFCD00003193

Molecular Formula：
C5H9NO

Molecular Weight：
99.13

Alias：
1-甲基吡咯烷酮,NMP溶剂,1-甲基-2-吡咯烷酮,二异丙基酮,N-甲基-A-吡咯烷酮 1-Methyl-2-pyrrolidone N-Methyl-2-pyrrolidone M-PYROL™ NMP

Product order：

Name	Specifications	Packing	Price	Delivery
1-Methyl-2-pyrrolidinone	AR	500ml	RMB 85.8	Consulting service
1-Methyl-2-pyrrolidinone	HPLC, ≥99%	500ml	RMB 115.5	Consulting service
1-Methyl-2-pyrrolidinone	HPLC, ≥99%	4L	RMB 652.3	Consulting service
1-Methyl-2-pyrrolidinone	AR	2.5L	RMB 242	Consulting service
1-Methyl-2-pyrrolidinone	CP	500ml	RMB 49.5	Consulting service
1-Methyl-2-pyrrolidinone	电子级,99.9%	20kg	RMB 2183.5	Consulting service
1-Methyl-2-pyrrolidinone	电子级,99.9%	500ml	RMB 115.5	Consulting service
1-Methyl-2-pyrrolidinone	GCS，>99.9%(GC)	5ml	RMB 64.9	现货
1-Methyl-2-pyrrolidinone	GR	500ml	RMB 132	Consulting service
1-Methyl-2-pyrrolidinone	GR	20kg	RMB 2073.5	Consulting service
1-Methyl-2-pyrrolidinone	用于多肽合成, ≥99.5% (GC)	1L	RMB 539	Consulting service
1-Methyl-2-pyrrolidinone	分析标准品	5ml	RMB 429	现货

Character：
无色透明油状液体，微有胺的气味。能与水、醇、醚、酯、酮、卤代烃、芳烃和蓖麻油互溶。挥发度低，热稳定性、化学稳定性均佳，能随水蒸气挥发。有吸湿性。对光敏感。半数致死量（大鼠，经口）3.8ml/kg。
密度：1.028
熔点：-24 °C  
沸点：81-82 °C/10 mmHg
闪点：91 °C
折光率n20/D：1.47

Quality Standard：
项目Item                              分析纯           化学纯
                                       (AR)             (CP)
含量Assay,%                           ≥99.0            98.0%
沸程Boiling range,℃                 202.0-204.0       202.0-204.5
相对密度Specific gravity (20/20°C)  1.0315-1.0330    1.0310-1.0330
折光率Refractive index n20/D         1.465-1.475      1.469-1.471
溶解试验Solubility                    合格               合格

项目                                   优级纯  
                                        (GR)
外观Appearance                         无色液体
纯度Purity                             ≥99.5% (GC)
水分Water                              <0.02 % (K.F.)
游离胺Free amine                       <0.001 %

项目                                    色谱纯
                                      （HPLC级）
纯度Purity                              >99.5% (GC)
紫外吸收值UV Absorbance: (λ H2O reference )
Wavelength (nm) Max. Absorbance
  285 nm                                ≤1.00  
  300nm                                 ≤0.500
  325nm                                 ≤0.100
  350nm                                 ≤0.030
  400nm                                 ≤0.010
折光率Refractive index n20/D            1.4700 ± 0.0020
水分Water                              <0.05%
（For HPLC, GC, and spectrophotometry. Packaged under nitrogen. UV cutoff at 235nm）

项目                 电子级
含量 %               ≥99.90    
  色度Hazen          ≤25  
  总二醇量ppm        ≤20
  总胺量 ppm         ≤20
  水分 %             ≤0.03
  氯离子ppm          ≤0.50
  磷酸盐ppm          ≤0.50
  硫酸盐ppm          ≤0.50
  硝酸盐 ppm         ≤0.50
  锂 ppb             ≤10
  钠  ppb            ≤10
  镁  ppb            ≤10
  铝 ppb             ≤10
  钾 ppb             ≤10
  钙 ppb             ≤10
  铬  ppb            ≤10
  锰  ppb            ≤10
  铁 ppb             ≤10
  镍  ppb            ≤10
  钴  ppb            ≤10
  铜  ppb            ≤10
  锌  ppb            ≤10
  钼  ppb            ≤10
  镉 ppb             ≤10
  铅 ppb             ≤10
  银  ppb            ≤10

品级Grade                              用于多肽合成  
                                    (for peptide synthesis)  
纯度Purity                              ≥99.5% (GC)
水分water                               ≤0.03%
胺试验suitability  for amine test       pass

Storage：
易吸潮,密封保存。
用作溶剂及萃取剂。
NMP是一种极性的非质子传递溶剂，具有毒性小，沸点高，溶解能力出众，选择性强和稳定性好的优点。广泛用于芳烃萃取；乙炔、烯烃、二烯烃的纯化。也用于聚合物的溶剂及聚合反应的介质要。如聚酰胺、聚酰亚胺、聚苯硫醚等工程塑料及芳纶纤维。另外还用于绝缘材料、农药、颜料及清洁剂等方面。