This compound is soluble at 10 mg/mL in 1 M NaOH. Other sources also report that this material is soluble in water and ethanol, however, no rate is provided.
1.04595
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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All Photos(2)
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
technique(s):
titration: suitable
Pricing and availability is not currently available.
Recommended Products
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
SMILES string
[S](=O)(=O)(O)c1c2c(c(c(c1)O)N=Nc3c4c(cc(c3O)C(=O)O)cccc4)cccc2
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
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
Water (according to Karl Fischer): ≤ 9
Suitability as indicator (for metal titration): passes test
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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