3,3′,5,5′-Tetramethylbenzidine
Molecular Structure:
MDL:
--MFCD00007748
Molecular Formula:
C16H20N2
Molecular Weight:
240.35
Alias:
TMB
4,4'-Bi-2,6-xylidine
4,4'-Diamino-3,3',5,5'-tetramethylbiphenyl
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
3,3′,5,5′-Tetramethylbenzidine |
98% |
25g |
RMB 1705 |
现货 |
3,3′,5,5′-Tetramethylbenzidine |
98% |
5g |
RMB 418 |
现货 |
3,3′,5,5′-Tetramethylbenzidine |
≥99%(HPLC) |
5g |
RMB 1562 |
现货 |
3,3′,5,5′-Tetramethylbenzidine |
≥99%(HPLC) |
1g |
RMB 352 |
现货 |
3,3′,5,5′-Tetramethylbenzidine |
98% |
1g |
RMB 148.5 |
现货 |
Character:
TMB作为过氧化氢酶底物用在ELISA 反应中,该底物能产生可溶性淡蓝色的末端产物,能在370 或 620-650 nm用分光光度计读取。TMB反应可以用2 M H2SO4 (产生黄色)终止, 并能在450 nm读取。因此TMB是测定血液、检测血红素(hemoglobin)和过氧化物酶的灵敏和特定试剂。
熔点:168-171 °C
Quality Standard: 98%:
外观Appearance 白色至黄色粉末
红外光谱鉴别Infrared spectrometry Conforms to Structure
纯度Purity ≥98.0% (HPLC)
熔点Melting point 167°C - 172°C
溶解试验solubility in Ethyl Acetate 50 mg/ml,Clear to Very Slightly Hazy
99%:
外观Appearance 乳白色结晶性粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity >99.0% (HPLC)
熔点Melting point 167°C -171°C
干燥失重Loss on drying <0.5 %
硫酸盐Sulfated ash <0.2 %
过氧化物酶测试Peroxidase detection Pass
品级Grade 气相色谱标准品
(standard for GC, ≥99.0% (GC))
外观Appearance 乳白色结晶性粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity >99.0% (HPLC)
纯度Purity >99.0% (GC)
熔点Melting point 167°C -171°C
干燥失重Loss on drying <0.5 %
硫酸盐Sulfated ash <0.2 %
过氧化物酶测试Peroxidase detection Pass
Storage:密封保存
用途 过氧化物酶和乙型肝炎抗原的染色剂。是一种新型安全的色原试剂。与传统的色原试剂联苯胺、邻联甲苯胺及邻苯二胺等相比较,TMB具有检测灵敏度高、稳定性好等优点,而且使用安全。经动物试验和Ames细菌自动变异性试验结果表明,TMB为非致癌物和非致突变物。目前TMB已在逐步取代强致癌物联苯胺和其他致癌性的联苯胺衍生物,应用于临床化验、法医检验、刑事侦破及环境监测等领域。尤其是在临床生化检验方面,TMB作为过氧化酶的新底物,在酶免疫分析法(EIA)和酶联免疫吸附检验法(ELISA)中获得了广泛的应用。
(一),TMB的主要应用项目如下:
1.指纹检测,是目前公安上显现潜血手印的最有效的方法
2.唾液中酒精的快速检测
3.尿联试纸的配制
4.肝炎病毒检测
5.妊娠检测试验
6.血液和尿液中葡萄糖、血红蛋白、白蛋白的快速测定
7.粪便隐血试验
8.血液中粒细胞值的测定
9.类固醇、性激素的检测
10.酶活性的测定
11.抗原、抗体及遗传物质的分析、检测
12.生物样品的染色
13.水质检测
14、测定商品中偶氮染料释放的芳香胺的标准
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