• 咪唑 [288-32-4]

  • 英文名:Imidazole
  • 别名:1,3-二氮唑 甘恶啉 咁噁啉 间二氮茂 咪唑 1,3-二氨杂环戊二烯
  • CAS号:288-32-4 分子式:C3H4N2 分子量:68.08
P85528-500g 咪唑 [288-32-4] 99.5%,用于缓冲溶液 500g 682.00 促销价:463.76
P85527-100g 咪唑 [288-32-4] 99.5%,用于缓冲溶液 100g 210.00 促销价:147.00
P85520-25g 咪唑 [288-32-4] 99.5%,用于荧光分析 25g 682.00 促销价:463.76
P85529-5g 咪唑 [288-32-4] 99.5%,用于荧光分析 5g 265.00 促销价:182.85
P85526-500g 咪唑 [288-32-4] AR 500g 148.00 促销价:93.24
P85525-100g 咪唑 [288-32-4] AR 100g 65.00 促销价:42.25
P85522-25g 咪唑 [288-32-4] AR 25g 31.00 促销价:20.15
P85521-1kg 咪唑 [288-32-4] AR 1kg 265.00 促销价:166.95
订货编号 商品名称 规格 包装 单价 促销价 会员价 数量
P85528-500g 咪唑 [288-32-4] 99.5%,用于缓冲溶液 500g 682.00 463.76 登录可见
P85528-500g 咪唑 [288-32-4] 99.5%,用于缓冲溶液 500g 682.00 促销价:463.76
P85527-100g 咪唑 [288-32-4] 99.5%,用于缓冲溶液 100g 210.00 147.00 登录可见
P85527-100g 咪唑 [288-32-4] 99.5%,用于缓冲溶液 100g 210.00 促销价:147.00
P85520-25g 咪唑 [288-32-4] 99.5%,用于荧光分析 25g 682.00 463.76 登录可见
P85520-25g 咪唑 [288-32-4] 99.5%,用于荧光分析 25g 682.00 促销价:463.76
P85529-5g 咪唑 [288-32-4] 99.5%,用于荧光分析 5g 265.00 182.85 登录可见
P85529-5g 咪唑 [288-32-4] 99.5%,用于荧光分析 5g 265.00 促销价:182.85
P85526-500g 咪唑 [288-32-4] AR 500g 148.00 93.24 登录可见
P85526-500g 咪唑 [288-32-4] AR 500g 148.00 促销价:93.24
P85525-100g 咪唑 [288-32-4] AR 100g 65.00 42.25 登录可见
P85525-100g 咪唑 [288-32-4] AR 100g 65.00 促销价:42.25
P85522-25g 咪唑 [288-32-4] AR 25g 31.00 20.15 登录可见
P85522-25g 咪唑 [288-32-4] AR 25g 31.00 促销价:20.15
P85521-1kg 咪唑 [288-32-4] AR 1kg 265.00 166.95 登录可见
P85521-1kg 咪唑 [288-32-4] AR 1kg 265.00 促销价:166.95
  •  订货编号
  •  商品名称
  •  规格
  •  包装
  •  单价
  •  促销价
  •  会员价
  •  数量

化学性质

无色棱形结晶,呈弱碱性。 易溶于水、乙醇、乙醚、氯仿、吡啶,微溶于苯,难溶于石油醚。 熔点 88-91 °C(lit.) 沸点 256 °C(lit.) 密度 1.01 g/mL at 20 °C 折射率 1.4801 闪点 293 °F

质量标准

  

99%:

外观Appearance                          白色薄片或结晶
红外光谱鉴别Infrared spectrometry       和对照匹配
纯度Purity                              ≥99.0% (GC)  
熔点Melting point                       85°C - 90°C
水分water                               ≤0.2%(K.F)


99.5%(用于缓冲溶液):

外观Appearance                          白色至类白色粉末
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                              ≥99.5% (GC)  
熔点Melting point                       86°C - 92°C
灼烧残渣ign. residue (900 °C)          ≤0.1%
pH                                      9.5-11.0 (25 °C, 50 mg/mL in H2O)
pKa (25 °C)                            6.95
氯chloride (Cl-):                       ≤50 ppm
硫酸根sulfate (SO42-):                  ≤50 ppm
  Ca:                                   ≤10 ppm
  Cd:                                   ≤5 ppm
  Co:                                   ≤5 ppm
  Cr:                                   ≤5 ppm
  Cu:                                   ≤5 ppm
  Fe:                                   ≤5 ppm
  K:                                    ≤50 ppm
  Mg:                                   ≤5 ppm
  Mn:                                   ≤5 ppm
  Na:                                   ≤50 ppm
  Ni:                                   ≤5 ppm
  Pb:                                   ≤5 ppm
  Zn:                                   ≤5 ppm


品级Grade                               荧光分析级  
                                    (for Fluorimetric Analysis)
外观Appearance                          白色至类白色粉末
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                              ≥99.5% (GC)  
熔点Melting point                       86°C - 92°C
不溶物insoluble matter,                 passes filter test
水分water                               ≤0.2%(K.F)  
灼烧残渣ign. residue (900 °C)          ≤0.05%
荧光fluorescence λex 200-600 nm; λem 300-800 nm (corresponds)
pH                                      9.5-11.0 (25 °C, 0.1 M in H2O)
pKa (25 °C)                            6.95
氯chloride (Cl-):                       ≤50 ppm
硫酸根sulfate (SO42-):                  ≤50 ppm
  Al:                                   ≤10 ppm
  As:                                   ≤0.1 ppm
  Ba:                                   ≤5 ppm
  Bi:                                   ≤5 ppm
  Ca:                                   ≤50 ppm
  Cd:                                   ≤5 ppm
  Co:                                   ≤5 ppm
  Cr:                                   ≤5 ppm
  Cu:                                   ≤5 ppm
  Fe:                                   ≤5 ppm
  K:                                   ≤50 ppm
  Li:                                   ≤5 ppm
  Mg:                                   ≤5 ppm
  Mn:                                   ≤5 ppm
  Mo:                                   ≤5 ppm
  Na:                                   ≤50 ppm
  Ni:                                   ≤5 ppm
  Pb:                                   ≤5 ppm
  Sr:                                   ≤5 ppm
  Zn:                                   ≤5 ppm
λ 0.1 M in H2O
紫外吸收UV absorption
  λ: 260 nm Amax:                       0.10
  λ: 280 nm Amax:                       0.10


品级Grade                               分子生物学级  
                                      (for molecular biology)
DNA酶DNases,                            none detected
RNA酶RNases,                            none detected
磷酸酶phosphatases,                     none detected
蛋白酶proteases,                        none detected
外观Appearance                          白色至类白色粉末
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                              ≥99.5% (GC)  
熔点Melting point                       86°C - 92°C
不溶物insoluble matter,                 passes filter test
水分water                               ≤0.2%(K.F)  
灼烧残渣ign. residue (900 °C)          ≤0.05%
荧光fluorescence λex 200-600 nm; λem 300-800 nm (corresponds)
pH                                      9.5-11.0 (25 °C, 0.1 M in H2O)
pKa (25 °C)                            6.95
氯chloride (Cl-):                       ≤50 ppm
硫酸根sulfate (SO42-):                  ≤50 ppm
  Al:                                   ≤10 ppm
  As:                                   ≤0.1 ppm
  Ba:                                   ≤5 ppm
  Bi:                                   ≤5 ppm
  Ca:                                   ≤50 ppm
  Cd:                                   ≤5 ppm
  Co:                                   ≤5 ppm
  Cr:                                   ≤5 ppm
  Cu:                                   ≤5 ppm
  Fe:                                   ≤5 ppm
  K:                                   ≤50 ppm
  Li:                                   ≤5 ppm
  Mg:                                   ≤5 ppm
  Mn:                                   ≤5 ppm
  Mo:                                   ≤5 ppm
  Na:                                   ≤50 ppm
  Ni:                                   ≤5 ppm
  Pb:                                   ≤5 ppm
  Sr:                                   ≤5 ppm
  Zn:                                   ≤5 ppm
λ 0.1 M in H2O
紫外吸收UV absorption
  λ: 260 nm Amax:                       0.10
  λ: 280 nm Amax:                       0.10

  

危险性质

危险品标志  C,Xi
危险类别码  36/38-63-34-22-20/21/22
WGK Germany  1
RTECS号 NI3325000
HazardClass  8
PackingGroup  III
安全说明  26-36/37/39-45-22-36-27
危险品运输编号  UN 2923 8/PG 3

  

用途及存储

用作有机合成原料及中间体,用于制取药物及杀虫剂


  密封干燥保存。