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Formamide

Cas:
75-12-7
Molecular Structure:
MDL:
MFCD00007941
Molecular Formula:
CH3NO;HCONH2
Molecular Weight:
45.04
Alias:
氨基甲醛,去离子甲酰胺
Product order:
Name Specifications Packing Price Delivery
Formamide 超纯级,>99.5% 100ml RMB 580 暂无
Formamide 超纯级,>99.5% 500ml RMB 2804 暂无
Formamide 高纯级,>99% 100ml RMB 264 暂无
Formamide 高纯级,>99% 500ml RMB 792 暂无
Formamide AR 500ml RMB 83.6 暂无
Formamide 生化专用 100ml RMB 367.4 暂无
Formamide 生化专用 500ml RMB 1287 暂无
Formamide 测序级 100ml RMB 231 暂无
Formamide 测序级 500ml RMB 803 暂无
Formamide 极谱记录仪和非水滴定专用 100ml RMB 387.2 暂无
Formamide 极谱记录仪和非水滴定专用 500ml RMB 1287 暂无
Character:
无色澄明液体。无气味或略有氨臭。有吸湿性。在有潮气的情况下,能水解成氨和甲酸。有刺激性。 熔点:2-3 °C 沸点:210 °C 闪点:150 °C 折光率n20/D:1.447 密度:1.134   
Quality Standard:
Q/(HG)SJ 066-91
项目Item                         化学纯         分析纯
                                   (CP)           (AR)
含量(CH3NO)Assay,%             ≥99.0         99.00
密度(20℃)Density,g/mL            1.132-1.135 1.133-1.135
凝固点Solidifying point,℃        ≥2             ≥2
折光率Refractive index,nD20        1.447-1.450  1.447-1.450
溶解试验Solubility                  合格         合格
游离酸(以HCOOH计)Free acids,%      ≤0.05        0.03    
钾酸铵Ammonium formate,%           ≤0.3         0.1

项目                               生物学专用
纯度Purity                         >99.0% (GC)  
外观Appearance                     无色透明液体
水分Water                          <0.5 %
折光率Refractive index n20/D       1.5062 - 1.5082
色度Color scale                    <5 APHA
紫外吸收值UV (0.5 M in water)
260 nm A:                         <0.05
280 nm A:                         <0.02
水溶性Solubility (50% 水溶液)      完全
痕量分析Trace analysis  
铜Cu                              < 0.1 ppm
铁Fe                              < 0.5 ppm
铅Pb                              < 0.5 ppm
锌Zn                              < 0.5 ppm
pH                                 7 - 9 (1% 溶液,25°C)
电导率Conductivity                 <100 mmhos

项目                             极谱记录仪和非水滴定专用
                           (for polarographic and nonaqueous titration)
外观Appearance                     无色透明液体
纯度Purity                         >99.0% (GC)
色度Color scale                    <10 APHA
水分Water                          <0.05 % (Coulometric)
紫外吸收值UV (1 cm cell vs water)
420 nm A:                         <0.015

项目                              毛细管电泳级
                                   (测序级)
Abs.@280nm (undiluted)              ≤0.05
电导率Conductivity(uS)              ≤5.0
水分Moisture (KF)(%)                ≤0.75
纯度Purity(%)                       >99.5(GC)

Storage:
密封保存。测序级2-8°C保存
用途  离子化溶剂。纸色谱展开剂。动物胶的软化剂。纤维工业的柔软剂。制造甲酸酯类和氢氰酸。
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