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Thermo Scientific Chemicals Thymolphthalein, ACS

Catalog No. AA1624506
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AA1624514 25 g
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Catalog No. AA1624506 Supplier Thermo Scientific Chemicals Supplier No. 01624506
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Description

pH indicator; colorless below pH 9.3, blue above pH 10.5 | CAS: 125-20-2 | C28H30O4 | 430.544 g/mol

It acts as pH indicator, as reagent for blood after decolorizing the alkaline solution by boiling with zinc dust.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Chemical Identifiers

CAS 125-20-2
Molecular Formula C28H30O4
Molecular Weight (g/mol) 430.544
MDL Number MFCD00005909
InChI Key LDKDGDIWEUUXSH-UHFFFAOYSA-N
PubChem CID 31316
IUPAC Name 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one
SMILES CC1=CC(=C(C=C1C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O

Specifications

Melting Point 251°C to 253°C
Beilstein 359413
Merck Index 14,9401
Solubility Information Insoluble in water; Soluble in alcohol,acetone,dilute alkalies (blue color),H2SO4 (red color)
Formula Weight 430.55
Grade ACS
Quantity 5 g
Physical Form Crystalline
Chemical Name or Material Thymolphthalein

Safety and Handling

Hazard Category H500
EINECSNumber 204-729-7
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only