Thymolphthalein

SIAL/89360 - ACS reagent

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

Catalog Number	PKG Qty.	Price	Quantity


45-89360-10G	10 g	$54.00 1/EA		Add To Favorites
45-89360-50G	50 g	$165.00 1/EA		Add To Favorites
45-89360-5KG	5 kg	$2870.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

form	solid
grade	ACS reagent
ign. residue	≤1%
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
mp	248-254 °C
	251-253 °C (lit.)
Quality Level	200
SMILES string	CC(C)c1cc(c(C)cc1O)C2(OC(=O)c3ccccc23)c4cc(C(C)C)c(O)cc4C
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	12352200

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