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1.04595

Supelco

Calconcarboxylic acid

metal indicator

Synonym(s):

Calconcarboxylic acid, Patton and Reeders Reagent, 2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-naphthalene-3-carboxylic acid

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About This Item

Empirical Formula (Hill Notation):
C21H14N2O7S · 2H2O
CAS Number:
Molecular Weight:
474.44
MDL number:
UNSPSC Code:
12352106
EC Index Number:
223-117-0
NACRES:
NB.21

product name

Calconcarboxylic acid, metal indicator

Quality Level

form

solid

technique(s)

titration: suitable

mp

300 °C

bulk density

400 kg/m3

storage temp.

2-30°C

InChI

1S/C21H14N2O7S/c24-16-10-17(31(28,29)30)13-7-3-4-8-14(13)18(16)22-23-19-12-6-2-1-5-11(12)9-15(20(19)25)21(26)27/h1-10,24-25H,(H,26,27)(H,28,29,30)

InChI key

MVQBFZXBLLMXGS-UHFFFAOYSA-N

Related Categories

Application


  • Solid-state polymer membranes for simple, sensitive, and low-cost monitoring of mercury in water.: This study utilizes calconcarboxylic acid in solid-state polymer membranes to monitor mercury in water. The method offers a simple, sensitive, and cost-effective approach for environmental monitoring, highlighting the potential for widespread application in water quality assessment (Kallithrakas-Kontos et al., 2019).

  • A new fluorescent quenching method for the determination of phosphoproteins by using calconcarboxylic acid.: This research introduces a fluorescent quenching method using calconcarboxylic acid for the determination of phosphoproteins. The technique is significant for proteomics and biochemical research, providing a new tool for protein analysis (Zhu et al., 2015).

  • Formation of new non-oxido vanadium(IV) species in aqueous solution and in the solid state by tridentate (O, N, O) ligands and rationalization of their EPR behavior.: Calconcarboxylic acid is used as a ligand to form non-oxido vanadium(IV) species. This study enhances the understanding of vanadium chemistry and its potential applications in catalysis and materials science (Sanna et al., 2013).

  • Electrophoretic nanotechnology of composite electrodes for electrochemical supercapacitors.: This paper explores the use of calconcarboxylic acid in the fabrication of composite electrodes for supercapacitors. The findings are crucial for the development of high-performance energy storage devices (Su and Zhitomirsky, 2013).


Analysis Note

Appearance of solution: passes test
Water (according to Karl Fischer): ≤ 9
Suitability as indicator (for metal titration): passes test

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

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