114553

チモールフタレイン

ACS reagent, Dye content 95 %

• 別名: 5′,5′′-ジイソプロピル-2′,2′′-ジメチルフェノールフタレイン
• 実験式（ヒル表記法）: C₂₈H₃₀O₄
• CAS番号: 125-20-2
• 分子量: 430.54
• Beilstein: 359413
• EC Number: 204-729-7
• MDL番号: MFCD00005909
• UNSPSCコード: 12171500
• PubChem Substance ID: 24847182
• NACRES: NA.47

特性

• グレード: ACS reagent
• 品質水準: 200
• 形状: solid
• 組成: Dye content, 95%
• 溶液の透明度: passes test
• テクニック: titration: suitable
• visual transition interval: 8.8-10.5, colorless to blue
• mp: 251-253 °C (lit.)
• λmax: 396 nm (2nd); 592 nm
• SMILES記法: CC(C)c1cc(c(C)cc1O)C2(OC(=O)c3ccccc23)c4cc(C(C)C)c(O)cc4C
• 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 Key: LDKDGDIWEUUXSH-UHFFFAOYSA-N

詳細

詳細

Thymolphthalein (5′, 5′′-Diisopropyl-2′, 2′′-dimethylphenolphthalein) is an acid-base indicator which is colorless in solutions with a pH below 8.5 and blue in solutions with a pH above 9.5. Thymolphthalein has been used as an indicator in periodate-thiosulfate reaction.

アプリケーション

Thymolphthalein has been used as a pH indicator in [¹⁴C] urea breath test to determine when the CO₂ trap is full.

安全性情報

• 保管分類コード: 11 - Combustible Solids
• WGK: WGK 3
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable
• 個人用保護具 (PPE): Eyeshields, Gloves, type N95 (US)