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Bromothymol blue, 50 g

p.a., ACS
Pack Qty.
Pack.
3',3''-Dibromothymolsulphonphthaleine, BTB
Empirical formula C27H28Br2O5S
Molar mass (M) 624,40 g/mol
Melting point (mp) 202 °C
WGK 1
CAS No. 76-59-5
EG-Nr. 200-971-2

Indicator pH 6.0-7.6
Dissolve 0.1 g in 100 ml ethanol (20 %) or 0.04 g in 0.64 ml NaOH 0.1 mol/l and fill up with water to 100 ml

€134.40 /Pack Qty.

€107.50/Pack Qty.  Campaign price!

excl. VAT. | 50 g per Pack Qty.

Art. No. T117.3

In stock
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Product details



Bromothymol blue p.a., ACS

Technical Information
Colour conversion yellow - blue 
Transition range pH 6,0 - 7,6 
Bromothymol blue
Selected quantity:   0
  1. Subtotal:  0.00
Art. No. Pack Qty. Pack. Price Quantity
T117.1 5 g glass
€31.10

€24.80

T117.2 25 g glass
€78.40

€62.65

T117.3 50 g glass
€134.40

€107.50

T117.7 100 g glass
€235.45

€188.30

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Selected quantity:   0
  1. Subtotal:  0.00

Downloads / MSDS


Certificates of Analysis

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The following analysis certificates have been found:

Guarantee analysis

Appearancelight pink powder
Appearance of solutioncomplies
pH-transition range6.0 (yellow) - 7.6 (blue)
Loss on drying (110 °C)≤3 %