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 |
現貨 |
3,3′,5,5′-Tetramethylbenzidine |
98% |
5g |
RMB 418 |
現貨 |
3,3′,5,5′-Tetramethylbenzidine |
≥99%(HPLC) |
5g |
RMB 1562 |
現貨 |
3,3′,5,5′-Tetramethylbenzidine |
≥99%(HPLC) |
1g |
RMB 352 |
現貨 |
3,3′,5,5′-Tetramethylbenzidine |
98% |
1g |
RMB 148.5 |
現貨 |
Character:
TMB作為過氧化氫酶底物用在ELISA 反應中,該底物能產生可溶性淡藍色的末端產物,能在370 或 620-650 nm用分光光度計讀取。TMB反應可以用2 M H2SO4 (產生黃色)終止, 并能在450 nm讀取。因此TMB是測定血液、檢測血紅素(hemoglobin)和過氧化物酶的靈敏和特定試劑。
熔點:168-171 °C
Quality Standard: 98%:
外觀Appearance 白色至黃色粉末
紅外光譜鑒別Infrared spectrometry Conforms to Structure
純度Purity ≥98.0% (HPLC)
熔點Melting point 167°C - 172°C
溶解試驗solubility in Ethyl Acetate 50 mg/ml,Clear to Very Slightly Hazy
99%:
外觀Appearance 乳白色結晶性粉末
紅外光譜鑒別Infrared spectrometry 和對照品匹配
純度Purity >99.0% (HPLC)
熔點Melting point 167°C -171°C
干燥失重Loss on drying <0.5 %
硫酸鹽Sulfated ash <0.2 %
過氧化物酶測試Peroxidase detection Pass
品級Grade 氣相色譜標準品
(standard for GC, ≥99.0% (GC))
外觀Appearance 乳白色結晶性粉末
紅外光譜鑒別Infrared spectrometry 和對照品匹配
純度Purity >99.0% (HPLC)
純度Purity >99.0% (GC)
熔點Melting point 167°C -171°C
干燥失重Loss on drying <0.5 %
硫酸鹽Sulfated ash <0.2 %
過氧化物酶測試Peroxidase detection Pass
Storage:密封保存
用途 過氧化物酶和乙型肝炎抗原的染色劑。是一種新型安全的色原試劑。與傳統(tǒng)的色原試劑聯苯胺、鄰聯甲苯胺及鄰苯二胺等相比較,TMB具有檢測靈敏度高、穩(wěn)定性好等優(yōu)點,而且使用安全。經動物試驗和Ames細菌自動變異性試驗結果表明,TMB為非致癌物和非致突變物。目前TMB已在逐步取代強致癌物聯苯胺和其他致癌性的聯苯胺衍生物,應用于臨床化驗、法醫(yī)檢驗、刑事偵破及環(huán)境監(jiān)測等領域。尤其是在臨床生化檢驗方面,TMB作為過氧化酶的新底物,在酶免疫分析法(EIA)和酶聯免疫吸附檢驗法(ELISA)中獲得了廣泛的應用。
(一),TMB的主要應用項目如下:
1.指紋檢測,是目前公安上顯現潛血手印的最有效的方法
2.唾液中酒精的快速檢測
3.尿聯試紙的配制
4.肝炎病毒檢測
5.妊娠檢測試驗
6.血液和尿液中葡萄糖、血紅蛋白、白蛋白的快速測定
7.糞便隱血試驗
8.血液中粒細胞值的測定
9.類固醇、性激素的檢測
10.酶活性的測定
11.抗原、抗體及遺傳物質的分析、檢測
12.生物樣品的染色
13.水質檢測
14、測定商品中偶氮染料釋放的芳香胺的標準
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