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Thymol blue
Chemical Name |
Thymol blue |
Synonyms |
4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)phenol] S,S-dioxide |
CAS No. |
76-61-9 |
Molecular formula |
C27H30O5S |
EINECS No. |
200-973-3 |
Molecular weight |
466.60 |
Molecular Structure |
|
Details |
Appearance: Brown green crystal powder PH change range: 1.2(red)~2.8(yellow); 8.0(yellow)~9.6(blue) Solubility in Ethanol: Passes test Sulfated ash: 0.3% max. Absorptivity (L/cm.g): 71% min. Solubility: insolve in water, solve in alcohol. Packing: 25kg/ fibre drum |
Main Application |
Used as acid-base indicator. |
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