• 咪唑 [288-32-4]

  • 英文名:Imidazole
  • 別名:1,3-二氮唑 甘惡啉 咁噁啉 間二氮茂 咪唑 1,3-二氨雜環(huán)戊二烯
  • CAS號(hào):288-32-4 分子式:C3H4N2 分子量:68.08
P85528-500g 咪唑 [288-32-4] 99.5%,用于緩沖溶液 500g 682.00 促銷價(jià):463.76
P85527-100g 咪唑 [288-32-4] 99.5%,用于緩沖溶液 100g 210.00 促銷價(jià):147.00
P85520-25g 咪唑 [288-32-4] 99.5%,用于熒光分析 25g 682.00 促銷價(jià):463.76
P85529-5g 咪唑 [288-32-4] 99.5%,用于熒光分析 5g 265.00 促銷價(jià):182.85
P85526-500g 咪唑 [288-32-4] AR 500g 148.00 促銷價(jià):93.24
P85525-100g 咪唑 [288-32-4] AR 100g 65.00 促銷價(jià):42.25
P85522-25g 咪唑 [288-32-4] AR 25g 31.00 促銷價(jià):20.15
P85521-1kg 咪唑 [288-32-4] AR 1kg 265.00 促銷價(jià):166.95
訂貨編號(hào) 商品名稱 規(guī)格 包裝 單價(jià) 促銷價(jià) 會(huì)員價(jià) 數(shù)量
P85528-500g 咪唑 [288-32-4] 99.5%,用于緩沖溶液 500g 682.00 463.76 登錄可見
P85528-500g 咪唑 [288-32-4] 99.5%,用于緩沖溶液 500g 682.00 促銷價(jià):463.76
P85527-100g 咪唑 [288-32-4] 99.5%,用于緩沖溶液 100g 210.00 147.00 登錄可見
P85527-100g 咪唑 [288-32-4] 99.5%,用于緩沖溶液 100g 210.00 促銷價(jià):147.00
P85520-25g 咪唑 [288-32-4] 99.5%,用于熒光分析 25g 682.00 463.76 登錄可見
P85520-25g 咪唑 [288-32-4] 99.5%,用于熒光分析 25g 682.00 促銷價(jià):463.76
P85529-5g 咪唑 [288-32-4] 99.5%,用于熒光分析 5g 265.00 182.85 登錄可見
P85529-5g 咪唑 [288-32-4] 99.5%,用于熒光分析 5g 265.00 促銷價(jià):182.85
P85526-500g 咪唑 [288-32-4] AR 500g 148.00 93.24 登錄可見
P85526-500g 咪唑 [288-32-4] AR 500g 148.00 促銷價(jià):93.24
P85525-100g 咪唑 [288-32-4] AR 100g 65.00 42.25 登錄可見
P85525-100g 咪唑 [288-32-4] AR 100g 65.00 促銷價(jià):42.25
P85522-25g 咪唑 [288-32-4] AR 25g 31.00 20.15 登錄可見
P85522-25g 咪唑 [288-32-4] AR 25g 31.00 促銷價(jià):20.15
P85521-1kg 咪唑 [288-32-4] AR 1kg 265.00 166.95 登錄可見
P85521-1kg 咪唑 [288-32-4] AR 1kg 265.00 促銷價(jià):166.95
  •  訂貨編號(hào)
  •  商品名稱
  •  規(guī)格
  •  包裝
  •  單價(jià)
  •  促銷價(jià)
  •  會(huì)員價(jià)
  •  數(shù)量

化學(xué)性質(zhì)

無色棱形結(jié)晶,呈弱堿性。 易溶于水、乙醇、乙醚、氯仿、吡啶,微溶于苯,難溶于石油醚。 熔點(diǎn) 88-91 °C(lit.) 沸點(diǎn) 256 °C(lit.) 密度 1.01 g/mL at 20 °C 折射率 1.4801 閃點(diǎn) 293 °F

質(zhì)量標(biāo)準(zhǔn)

  

99%:

外觀Appearance                          白色薄片或結(jié)晶
紅外光譜鑒別Infrared spectrometry       和對(duì)照匹配
純度Purity                              ≥99.0% (GC)  
熔點(diǎn)Melting point                       85°C - 90°C
水分water                               ≤0.2%(K.F)


99.5%(用于緩沖溶液):

外觀Appearance                          白色至類白色粉末
紅外光譜鑒別Infrared spectrometry       Conforms
純度Purity                              ≥99.5% (GC)  
熔點(diǎn)Melting point                       86°C - 92°C
灼燒殘?jiān)黫gn. 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


品級(jí)Grade                               熒光分析級(jí)  
                                    (for Fluorimetric Analysis)
外觀Appearance                          白色至類白色粉末
紅外光譜鑒別Infrared spectrometry       Conforms
純度Purity                              ≥99.5% (GC)  
熔點(diǎn)Melting point                       86°C - 92°C
不溶物insoluble matter,                 passes filter test
水分water                               ≤0.2%(K.F)  
灼燒殘?jiān)黫gn. residue (900 °C)          ≤0.05%
熒光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


品級(jí)Grade                               分子生物學(xué)級(jí)  
                                      (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
外觀Appearance                          白色至類白色粉末
紅外光譜鑒別Infrared spectrometry       Conforms
純度Purity                              ≥99.5% (GC)  
熔點(diǎn)Melting point                       86°C - 92°C
不溶物insoluble matter,                 passes filter test
水分water                               ≤0.2%(K.F)  
灼燒殘?jiān)黫gn. residue (900 °C)          ≤0.05%
熒光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

  

危險(xiǎn)性質(zhì)

危險(xiǎn)品標(biāo)志  C,Xi
危險(xiǎn)類別碼  36/38-63-34-22-20/21/22
WGK Germany  1
RTECS號(hào) NI3325000
HazardClass  8
PackingGroup  III
安全說明  26-36/37/39-45-22-36-27
危險(xiǎn)品運(yùn)輸編號(hào)  UN 2923 8/PG 3

  

用途及存儲(chǔ)

用作有機(jī)合成原料及中間體,用于制取藥物及殺蟲劑


  密封干燥保存。