MeSH Browser

MeSH Heading: Thymolphthalein
Tree Number(s): D02.455.426.559.389.657.625.808
Unique ID: D013944
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D013944
Scope Note: Used as a pH indicator and as a reagent for blood after decolorizing the alkaline solution by boiling with zinc dust.
Pharm Action: Coloring Agents
Indicators and Reagents
Registry Numbers: YG5I28WSQP
Related Numbers: 125-20-2
CAS Type 1 Name: 1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-2-methyl-5-(1-methylethyl)phenyl)-
Previous Indexing: Phenolphthaleins (1969-1974)
Public MeSH Note: 91; was see under PHENOLPHTHALEINS 1975-90
History Note: 91(75); was see under PHENOLPHTHALEINS 1975-90
Date Established: 1991/01/01
Date of Entry: 1974/11/19
Revision Date: 2013/07/08

Allowable Qualifiers: administration & dosage (AD)

adverse effects (AE)

analogs & derivatives (AA)

analysis (AN)

chemical synthesis (CS)

chemistry (CH)

classification (CL)

economics (EC)

history (HI)

isolation & purification (IP)

metabolism (ME)

pharmacokinetics (PK)

pharmacology (PD)

poisoning (PO)

radiation effects (RE)

standards (ST)

supply & distribution (SD)

therapeutic use (TU)

toxicity (TO)

Thymolphthalein MeSH Descriptor Data 2025