Difference between revisions of "Bromothymol blue"
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* Thomas Gregory, ''The Condensed Chemical Dictionary'', Reinhold Publishing, New York, 3rd ed., 1942 | * Thomas Gregory, ''The Condensed Chemical Dictionary'', Reinhold Publishing, New York, 3rd ed., 1942 | ||
Revision as of 13:15, 29 April 2016
Description
An acid-base indicator dye. Bromthymol blue gives a yellow color below pH 6.0 and blue color above pH 7.6.
Synonyms and Related Terms
"Bromthymolblau (Deut.); bromothymol blue; bromthymol blue sulfone; 3,3'-dibromothymolsulfonphthalein;
Other Properties
Soluble in ethanol, alkali solutions. Slightly soluble in water. Insoluble in ligroin.
| Composition | C27H28Br2O5S |
|---|---|
| CAS | 76-59-5 |
| Molecular Weight | mol. wt. = 624.39 |
Sources Checked for Data in Record
- Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 1469
- Sigma Dyes, Stains and Natural Pigments, Infrared Library, Nicolet, 1991-1995 Comment: OMNIC: formula= C27H28Br2O5S, CAS= 76-59-5