Thymol blue
Agent Name
Thymol blue
CAS Number
76-61-9
Formula
C27-H30-O5-S
Major Category
Dyes
Synonyms
Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(5-methyl-2-(1-methylethyl)-, S,S-dioxide; Thymol Blue; Thymolsulfonephalein; Thymolsulfonephthalein; Thymolsulfophthalein; Thymolsulphonphthalein; Thymosulfonphthalein; [ChemIDplus]
Category
Indicator Dyes
Description
Brownish-green crystals available as pure compound, soluble monosodium salt, and dilute solutions; [CHEMINFO]
Sources/Uses
A sulfonphthalein dye used as a pH indicator; [CHEMINFO] Used as a pH indicator for the pH range of 1.2-2.8 and 8.0-9.6; [Ullmann]
Comments
Dust may be irritating; [CHEMINFO]
Biomedical References
Exposure Assessment
Explanatory Notes
mp = 430-435 deg F; VP = probably negligible; [CHEMINFO]
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.