Thymolphthalein
SIAL/89360 - ACS reagent, indicator (pH 8.8-10.5)
Synonym: 5′,5′′-Diisopropyl-2′,2′′-dimethylphenolphthalein
CAS Number: 125-20-2
Empirical Formula (Hill Notation): C28H30O4
Molecular Weight: 430.54
EC Number: 204-729-7
MDL Number: MFCD00005909
Linear Formula: C28H30O4
Product Type: Chemical
form | solid |
grade | ACS reagent |
indicator (pH 8.8-10.5) | |
ign. residue | ≤1% |
InChI | 1S/C28H30O4/c1-15(2)20-13 |
InChI key | LDKDGDIWEUUXSH-UHFFFAOYSA |
mp | 248-254 °C |
251-253 °C (lit.) | |
Quality Level | 200 |
SMILES string | CC(C)c1cc(c(C)cc1O)C2(OC( |
technique(s) | titration: suitable |
UV/Vis spectroscopy: suitable |
Application: | Thymolphthalein was suitable as indicator during titration of hyamine hydroxide. |
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. |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 3 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
mp | 248-254 °C; 251-253 °C (lit.) |
UNSPSC | 12000000 |