Jump to content Jump to navigation menu

Bromophenol blue, 5 g

ACS, for microscopy
Pack Qty.
3,3',5,5'-Tetrabromophenolsulphonphthaleine, 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
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

€27.45/Pack Qty. 

excl. VAT. | 5 g per Pack Qty.

Art. No. T116.1

In stock
Delivery fast, simple and reliable!
from 6 Pack Qty. €26.08/Pack Qty.
from 24 Pack Qty. €24.70/Pack Qty.
Carl Roth subscription service

Now recurring orders conveniently delivered as a subscription!

With the new Carl Roth Replenishment Service you can let products be ordered automatically which you need regularly in your lab!

How it works:

Put all products for your subscription in the desired quantity in the basket.


In the shopping cart, select the option "Order shopping cart as subscription" Order as subscription.


Set Starty point and interval for your subscription and submit order!

By the way: Through your account you can customize or delete your subscriptions anytime.

Product details

Bromophenol blue ACS, for microscopy

Technical Information
Dyeing dead cells blue 
Colour conversion yellow - blue 
Transition range pH 3,0 - 4,6 
Use vitality test of spermatozoa 
Bromophenol blue
Selected quantity:   0
  1. Subtotal:  0.00
Art. No. Pack Qty. Pack. Price Quantity
T116.1 5 g glass


T116.2 10 g glass


T116.3 25 g glass


In stock
In procurement
Not available
Delivery date currently unknown
Selected quantity:   0
  1. Subtotal:  0.00

Downloads / MSDS

General information

Indicators and Dyes

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

Certificates of Analysis

You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
The following analysis certificates have been found:

Guarantee analysis

Appearancepink powder
Appearance of solutioncomplies
pH-transition range3.0 (yellow)- 4.6 (blue)
Loss on drying (110 °C)≤1.0 %