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
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
|
化学性质
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