Broraothymol Blue

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Broraothymol Blue
Posting date : Feb 08, 2012
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38-
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CAS Number: 76-59-5 Molecular Weight: 624.38 Molecular Formula: C27H28Br2O5S Physical Appearance: Red to brown powder Solubility: slightly soluble in water Storage: Store at 4° C Usage: chemical indicator for weak acids and bases. The chemical is also used for observing photosynthetic activities or respiratory indicators (turns green then yellow as CO2 is added). ACS grade. Dye content 95% pK: 7.30 Approximate pH range for color change: 6.0-7.6 Color of acid form: yellow Color of base form: blue

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