ALIZARINE COMPLEXONE

An indicator for EDTA titration especially in acid solution for spectrophotometric determination of fluoride

Article No. Grade Purity CAS No. Molecular Formula Molecular Weight H.S. Code Shelf Life
SC2031 3952-78-1 C19H15NO8.2H2O 421.36 2914.7990 60 Months

Packings

1 g,5 g

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

Safety Information and Hazard Symbols

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Signal Word
UN No.
IMCO Class No.
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Safety Statement
Revision Date : 16-Apr-2013