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Phenol red, 5 g

p.a., ACS
Pack Qty.
Empirical formula C19H14O5S
Molar mass (M) 354,38 g/mol
Melting point (mp) >300 °C
CAS No. [143-74-8]
EG-Nr. 205-609-7

Indicator pH 6.5-8.2
Dissolve 0.1 g in 100 ml ethanol (20 %) or 0.04 g in 1.13 ml NaOH 0.1 mol/l and fill up with water to 100 ml

€18.20/Pack Qty. 

excl. VAT. | 5 g per Pack Qty.

Art. No. T127.1

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from 24 Pack Qty. €16.38/Pack Qty.
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Product details

Phenol red p.a., ACS

Technical Information
Colour conversion yellow - red 
Transition range pH 6,5 - 8,2 
Phenol red
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Order No. Pack Qty. Pack. Price Quantity
T127.1 5 g glass


T127.2 25 g glass


T127.3 100 g glass


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Selected quantity:   0
  1. Subtotal:  0.00

Downloads / MSDS

General information

Indicators and Dyes

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Guarantee analysis

Transition range6,8 (yellow)-8,2 (red)
Loss on drying (110 °C)≤5,0 %
Appearance of solution (ACS)complies