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Bromothymol Blue pH Indicator

3,3'-Dibromothymolsulfophthalein

Product Size 25gm/100gm/500gm Grade Laboratory Reagent (LR)
Purity CAS No. 76-59-5
Molecular Formula C27H28Br2O5S Molecular Weight 624.40
H.S. Code 29349990 Shelf Life 60 months
MSDS Certificate of Analysis (COAs)

Specifications

pH Transition range 5.8-7.6 Yellow to blue
Solubility (0.1% ethanol) Clear yellow solution
Absorptivity 1%,1cm, (pH 5.8) at ? max. 432.0 nm 260-300
Absorptivity 1%,1cm, (pH 7.6) at ? max. 616.0 nm 470-520
Loss of drying at 110°C (1hr) <3%

Safety Information and Hazard Symbols
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