1.08175

百里酚酞

pH indicator, ACS, Reag. Ph Eur

• 别名: 百里酚酞
• 经验公式（希尔记法）: C₂₈H₃₀O₄
• CAS号: 125-20-2
• 分子量: 430.54
• MDL號碼: MFCD00005909
• 分類程式碼代碼: 12171502
• 酶委員會索引編號: 204-729-7
• NACRES: NB.21

属性

• product name: 百里酚酞, indicator ACS,Reag. Ph Eur
• 等級: ACS reagent
• 品質等級: 200
• agency: reag. Ph. Eur.
• 形狀: solid
• 損耗: ≤1% loss on drying, 110°C
• 顏色: white to almost white
• visual transition interval: 9.0-10.5, colorless to blue
• mp: 253 °C
• 體積密度: 400 kg/m³
• λmax: 592-596 nm (buffer pH 10.5)
• 儲存溫度: 2-30°C
• InChI: 1S/C28H30O4/c1-15(2)20-13-23(17(5)11-25(20)29)28(22-10-8-7-9-19(22)27(31)32-28)24-14-21(16(3)4)26(30)12-18(24)6/h7-16,29-30H,1-6H3
• InChI 密鑰: LDKDGDIWEUUXSH-UHFFFAOYSA-N

说明

應用

• Electrode Based on the MWCNTs and Electropolymerized Thymolphthalein for the Voltammetric Determination of Total Isopropylmethylphenols in Spices: This study developed a sensitive electrochemical sensor for quantifying thymol and carvacrol in spices using an electrode modified with multi-walled carbon nanotubes and electropolymerized thymolphthalein (Chernousova et al., 2023).


• Fluorescence Enhancement Mechanism of Thymolphthalein-Based Probe by Coordination Interaction with Zinc Ion: This research explored the fluorescence enhancement of a thymolphthalein-based probe through coordination with zinc ions, highlighting its potential in analytical applications (Huang et al., 2021).


• pH-Triggered Visual Detection of Escherichia coli Based on the Co-Assembly of Bacitracin and Thymolphthalein: This article presents a novel method for detecting E. coli through pH-triggered visual changes using a thymolphthalein and bacitracin-based probe (Lin et al., 2023).


• Bio-Thymol Containing New High-Performance Thymolphthalein-Based Polybenzoxazine: Thermal, Superhydrophobic and Dielectric Properties: The study reports on a new polybenzoxazine material incorporating thymolphthalein, showcasing enhanced thermal, hydrophobic, and dielectric properties (Srinivasan et al., 2023).

分析報告

鉴别（UV/VIS光谱）：通过测试
外观：白色至类白色粉末，最终为淡黄色。
溶液澄清度（1 g/l；乙醇）：通过测试
吸收最大值λ_max.（缓冲液pH 10.5）：592 - 596 nm
比吸光系数 A 1%/1cm（λ_最大值；0.01 g/l；缓冲液pH 10.5；以无水物计算）：800 - 900
转换范围：pH 9.0 - pH 10.5 无色-蓝色
转换范围（根据ACS）：通过测试
转换间隔（根据Reag.Ph.Eur.）：通过测试
干燥失重（110 °C）： ≤ 1 %

安全信息

• 儲存類別代碼: 11 - Combustible Solids
• 水污染物質分類（WGK）: WGK 3
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable