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Pyrogallol red, 1 g

Pack Qty.
Pyrogallol sulphonic phthalein, Sulphonic alizarin violet
Empirical formula C19H12O8S
Molar mass (M) 400,36 g/mol
Melting point (mp) >300 °C
CAS No. [32638-88-3]
EG-Nr. 251-134-3

Indicator for metal titration
Dissolve 0.05 g in ethanol (96 %)

€29.60/Pack Qty. 

excl. VAT. | 1 g per Pack Qty.

Art. No. 0287.1

In production
from 6 Pack Qty. €28.12/Pack Qty.
from 24 Pack Qty. €26.64/Pack Qty.
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Product details

Pyrogallol red p.a.

Technical Information
Determination of Bi 
Pyrogallol red
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Order No. Pack Qty. Pack. Price Quantity
0287.1 1 g glass


0287.2 5 g glass


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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:

Type analysis

Sulphated ash<0.5 %
Solubility (10 mg/ml in 1 M NH4OH)dark, purple solution
Absorption max. (in EtOH)475 - 515 nm
Suitability as indicatorcomplies