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ZINCON AR

For photometric determination of Copper and Zinc.
2-[5-(2-Hydroxy-5-sulfophenyl)-3-phenyl-1-formazyl]benzoic acid monosodium salt, 2-Carboxy-2'-hydroxy-5'-sulfoformazyl-benzene monosodium salt; Zincon monosodium salt

COAs

Packings

1 g (00001)

5 g (00005)

1CLVI00055 1GBA000015
Print friendly version
Article No. 6549B Grade AR
Purity CAS No. 62625-22-3
Molecular Formula C20H15N4NaO6S.H2O Molecular Weight 480.43
H.S. Code 2928.0090 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Dark violet powder
Odour Odorless Melting point/ Freezing point [°C] 250 - 260 °C

Specifications

Appearance Dark violet powder Absorption maxima in NaOH 0.001 mol/L 490 - 495 nm
Absorptivity (A 1%/1cm; at λmax) Min 375 Loss on drying (at 135°C) Max 10%
Suitability (as complexometric indicator) Passes test

Safety Information and Hazard Symbols

Exclamation Mark
Symbol: GHS07
 Signal Word: Warning
 Hazardous Statement: H315-H319
 Precaution Statement: P302+P352-P305+P351+P338
Revision Date: 06-Oct-2025

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