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BROMOPHENOL BLUE INDICATOR AR/ACS 3′,3”,5′,5”-Tetrabromophenolsulfonephthalein; BPB

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General

Description

Article No. 02310 Grade AR/ACS
Purity CAS No. 115-39-9
Molecular Formula C19H10Br4O5S Molecular Weight 669.99
H.S. Code 2942.0090 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Pale orange
Odour Odorless Melting point/ Freezing point [°C] 273 °C
Boiling point [°C] 279°C Solubility in water [% weight] 0.4g/100g water @ 200C

Specifications

Appearance Pink-orange to red to purple powder Appearance of solution Passes test
Transition range pH 3.0-4.6 Yellow to blue Transition range acc. ACS Passes test

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