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Bromophenol blue, 5 g

ACS, for microscopy

sulphonphthaleine, BPB
Empirical formula C19H10Br4O5S
Molar mass (M) 669,99 g/mol
Melting point (mp) 273 °C
CAS No. [115-39-9]
EG-Nr. 204-086-2

Indicator pH 3.0-4.6
Well soluble in ethanol, used for vital staining of spermatozoa.

Guarantee analysis

23,55 €/VE 

Excl. btw | 5 g Per VE

Bestelnr. T116.1

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Vanaf 6 VE 22,37 €/VE
Vanaf 24 VE 21,20 €/VE
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Technische informatie
Kleuring dead cells blue  
Kleuromslag yellow - blue  
Omslagbereik pH 3,0 – 4,6  
Toepassing vitality test of spermatozoa  
Gebruikstip Dissolve 0.1 g in 100 ml ethanol (20 %) or 0.04 g in 0.74 ml NaOH 0.1 mol / l and make up to 100 ml with water  
Bromophenol blue
Geselecteerde hoeveelheid:   0
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Bestelnr. VE Verp. Prijs Hoeveelheid
T116.1 5 g glass 23,55 €
T116.2 10 g glass 31,10 €
T116.3 25 g glass 48,95 €
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Geselecteerde hoeveelheid:   0
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Algemene informatie

Indicators and Dyes

Carl ROTH offers many indicators and dyes of high purity, which can be used in special applications.


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De volgende analysecertificaten werden gevonden:

Guarantee analysis

Appearancepink powder  
Appearance of solutioncomplies  
pH-transition range3,0 (yellow)- 4,6 (blue)  
Loss on drying (110 °C)≤1,0 %  

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