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Thymol blue, 5 g

p.a., ACS
Pack Qty.
Empirical formula C27H30O5S
Molar mass (M) 466,60 g/mol
Density (D) 0,979 g/cm³
Melting point (mp) 224 °C
CAS No. 76-61-9
EG-Nr. 200-973-3

Indicator pH 1.2-2.8 and pH 8.0-9.2
Dissolve 0.04 g in 100 ml ethanol (20 %) or 0.04 g in 0.86 ml NaOH 0.1 mol/l and make up to 100 ml with water

€22.50/Pack Qty. 

excl. VAT. | 5 g per Pack Qty.

Art. No. KK16.1

In stock
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from 6 Pack Qty. €21.38/Pack Qty.
from 24 Pack Qty. €20.25/Pack Qty.

Product details

Thymol blue p.a., ACS

Technical Information
Colour conversion red - yellow 
yellow - blue 
Transition range pH 1,2 - 2,8 
8,0 - 9,2 
Thymol blue
Selected quantity:   0
  1. Subtotal:  0.00
Art. No. Pack Qty. Pack. Price Quantity
KK16.1 5 g glass


KK16.2 10 g glass


KK16.3 25 g glass


In stock
In procurement
No longer 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.

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Guarantee analysis

Appearance of solution (ACS)complies
pH-transition range1,2 (red)-2,8 (yellow)
Transition range8,0 (yellow)-9,2 (blue)