89360

Thymolphthalein

ACS reagent

• Sinónimos: 5′,5′′-Diisopropyl-2′,2′′-dimethylphenolphthalein
• Fórmula empírica (notación de Hill): C₂₈H₃₀O₄
• Número CAS: 125-20-2
• Peso molecular: 430.54
• UNSPSC Code: 12352200
• NACRES: NA.21
• PubChem Substance ID: 329769727
• EC Number: 204-729-7
• Beilstein/REAXYS Number: 359413
• MDL number: MFCD00005909

Propiedades

• grade: ACS reagent
• Quality Segment: 200
• form: solid
• technique(s): UV/Vis spectroscopy: suitable, titration: suitable
• ign. residue: ≤1%
• mp: 248-254 °C, 251-253 °C (lit.)
• SMILES string: 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

Descripción

General description

Thymolphthalien is an acid-base indicator which is colourless in acidic form and deep blue in basic form. Acidic form retains hydrogen on each hydroxyl group. It is suitable in preparing disappearing ink.

Application

Thymolphthalein was suitable as indicator during titration of hyamine hydroxide.

Información de seguridad

• Clase de almacenamiento: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)