C28H30O4
430.5 g/mol
Dye & PigmentDanger
Thymophthalein
CAS125-20-2EC204-729-7
Category
Dye & Pigment
Compound Class
Heterocycle
Primary Use
pH indicator dye
Thymolphthalein is a phthalein dye primarily used as an acid-base pH indicator. It transitions from colorless to blue in the pH range of approximately 9.
pH indicator dyeAcid-base titration indicator
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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CAS 125-20-2
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Referencesame scaffold
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CAS77-09-8
pharmaceutical raw material
Safety Reference
Danger
H341Suspected of causing genetic defects
H350May cause cancer
H361Suspected of damaging fertility or the unborn child
Identifiers
IUPAC Name
3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one
InChIKey
LDKDGDIWEUUXSH-UHFFFAOYSA-N
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
Synonyms (30)
- Thymolphthalein
- Thymolphthalein solution
- Thymolphthalein, p.a.
- Thymophthalein
- pH Indicator (9.3-10.5)
- thymolphthaleine