Thymol blue
IUPAC: 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol
| Formula / Notation | C27H30O5S |
|---|---|
| CAS Number | 76-61-9 |
| Molecular Weight | 466.6 |
| Appearance | Brownish-green crystals available as pure compound, soluble monosodium salt, and dilute solutions; [CHEMINFO] |
| Also Known As | 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol; 76-61-9; Thymolsulfonephthalein; Thymolsulfophthalein; Thymolsulfonphthalein; Thymosulfonphthalein; Thymolsulphonphthalein; Thymolsulfonephalein; Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)-; DTXSID5058800 |
| Category | Indicators |
What is Thymol blue?
Thymol blue (C27H30O5S) is a chemical indicator that appears as Brownish-green crystals available as pure compound, soluble monosodium salt, and dilute solutions; [CHEMINFO]. It has a molecular weight of 466.6 g/mol. Its IUPAC name is 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol.
Formula & Notation
IUPAC Name: 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol
Other Names / Synonyms: 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol; 76-61-9; Thymolsulfonephthalein; Thymolsulfophthalein; Thymolsulfonphthalein; Thymosulfonphthalein; Thymolsulphonphthalein; Thymolsulfonephalein; Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)-; DTXSID5058800
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Molecular Weight | 466.6 |
| Appearance | Brownish-green crystals available as pure compound, soluble monosodium salt, and dilute solutions; [CHEMINFO] |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Thymol blue (C27H30O5S) is a chemical indicator that appears as Brownish-green crystals available as pure compound, soluble monosodium salt, and dilute solutions; [CHEMINFO]. It has a molecular weight of 466.6 g/mol. Its IUPAC name is 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol.
Used as a pH indicator in acid-base titrations, analytical chemistry, and chemical education demonstrations.
May be irritant or toxic in concentrated form. Handle with care. Consult SDS before use.
The formula or notation for Thymol blue is: C27H30O5S