89360

Thymolphthalein

ACS reagent

• Synonim(y): 5′,5′′-Diisopropyl-2′,2′′-dimethylphenolphthalein
• Wzór empiryczny (zapis Hilla): C₂₈H₃₀O₄
• Numer CAS: 125-20-2
• Masa cząsteczkowa: 430.54
• UNSPSC Code: 12352200
• NACRES: NA.21
• PubChem Substance ID: 329769727
• EC Number: 204-729-7
• Beilstein/REAXYS Number: 359413
• MDL number: MFCD00005909

Właściwości

• 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

Opis

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.

Ta strona może zawierać tekst przetłumaczony maszynowo.

Informacja o środkach bezpieczeństwa

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