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ALIZARINE COMPLEXONE

An indicator for EDTA titration especially in acid solution for spectrophotometric determination of fluoride
(3,4-Dihydroxy-2-anthraquinonyl)methyliminodiacetic acid dihydrate; 3,4-Dihydroxyanthraquinon-2-yl-methylimino-diacetic acid; Alizarin Fluorine Blue, Alizarin-3-methylamine-N,N-diacetic acid; Alizarin-3-methyliminodiacetic acid

COAs

Packings

1 g (00001)

5 g (00005)

1CLVI00055 1GBA000015
Print friendly version
Article No. 00850 Grade
Purity CAS No. 3952-78-1
Molecular Formula C19H15NO8.2H2O Molecular Weight 421.36
H.S. Code 2914.7990 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Brown powder
Melting point/ Freezing point [°C] 185 °C Vapour density 14.53
Solubility in water [% weight] Slightly soluble in water

Specifications

Appearance Brown colored powder Identity Passes test
Absoption maxima at pH 5.1 421-429 nm Absorptivity (A 1%/1cm; at λmax) Min 110.0
TLC test Passes test Insoluble matter in NaOH Passes test
Loss on drying (at 135°C) Max 5.0% Sensitivity Passes test
Revision Date: 16-Apr-2013

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