معرف آبی تیمول

IUPAC name 4-[9-(4-hydroxy-2-methyl-5-propan- 2-yl-phenyl)-7,7-dioxo-8-oxa- 7λ6-thiabicyclo[4.3.0]nona-1,3,5-trien-9-yl]- 5-methyl-2-propan-2-yl-phenol
Other names α-hydroxy-α,α-bis(5-hydroxycarvacryl)- o-toluenesulfonic acid γ-sultone; thymolsulfonephthalein
Properties
Molecular formula	C27H30O5S
Molar mass	466.59 g mol−1
Appearance	Brownish-green crystal powder
Solubility in water	Insoluble
http://en.wikipedia.org/wiki/PH_indicator