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Quninaldine red, 10 g

pure
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2-(4-Dimethylaminostyryl)-1-ethylquinolinium iodide
Empirical formula C21H23IN2
Molar mass (M) 430,32 g/mol
Melting point (mp) 240 °C
WGK 1
CAS No. 117-92-0
EG-Nr. 204-221-5

Indicator pH 1.4-3.2, for non-aqueous acid-base titrations
Dissolve 0.1 g in 100 ml ethanol

€106.35/Pack Qty. 

excl. VAT. | 10 g per Pack Qty.

Art. No. 1LA9.3

In stock
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from 6 Pack Qty. €101.03/Pack Qty.
from 24 Pack Qty. €95.72/Pack Qty.

Product details



Quninaldine red pure

Technical Information
Colour conversion colourless - red violet 
Soluble in Alcohol, Acetone, Chloroforme, Acetic Acid 
Transition range pH 1,4 - 3,2 
Quninaldine red
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  1. Subtotal:  0.00
Art. No. Pack Qty. Pack. Price Quantity
1LA9.1 1 g glass

€24.20

1LA9.2 5 g glass

€59.70

1LA9.3 10 g glass

€106.35

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  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:

Type analysis

Dye content≥95 %
Appearancegreen powder
Maximum absorption527-533 nm