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
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
|
化學(xué)性質(zhì)
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