1.02282

Quinaldine red

pH indicator, Reag. Ph Eur

• Synonyme(s) : Quinaldine red
• Formule empirique (notation de Hill) : C₂₁H₂₃IN₂
• Numéro CAS: 117-92-0
• Poids moléculaire : 430.33
• Numéro MDL: MFCD00011968
• Code UNSPSC : 12352107
• Numéro de classement CE : 204-221-5
• Nomenclature NACRES : NA.21

Propriétés

• Nom du produit: Quinaldine red, indicator Reag. Ph Eur
• Agence: reag. Ph. Eur.
• Niveau de qualité: 200
• Forme: solid
• Impuretés: ≤5% Water (Karl Fischer)
• visual transition interval: 1.4-3.2, colorless to red
• Pf: 240 °C (decomposition)
• Masse volumique apparente: 290 kg/m³
• λmax: 528-533 nm in acetic acid
• Température de stockage: 2-30°C
• Chaîne SMILES: [I-].[n+]1(c2c(ccc1C=Cc3ccc(cc3)N(C)C)cccc2)CC
• InChI: 1S/C21H23N2.HI/c1-4-23-20(16-12-18-7-5-6-8-21(18)23)15-11-17-9-13-19(14-10-17)22(2)3;/h5-16H,4H2,1-3H3;1H/q+1;/p-1
• Clé InChI: JOLANDVPGMEGLK-UHFFFAOYSA-M

Description

Application

• Quinaldine Red as a fluorescent probe for determining the melting temperature (T(m)) of proteins: a simple, rapid and high-throughput assay.: This study presents Quinaldine Red as an effective fluorescent probe for determining the melting temperatures of proteins, offering a rapid and high-throughput method suitable for broad applications in biochemical research (Das et al., 2024).


• Red emitting fluorogenic dye as an efficient turn-on probe for milk allergen.: Explores the use of a red-emitting fluorogenic dye, likely involving Quinaldine Red, as a turn-on probe for detecting milk allergens, highlighting its potential in food safety and allergen detection (Chakraborty, 2022).


• A rapid, naked-eye detection of hypochlorite and bisulfite using a robust and highly-photostable indicator dye Quinaldine Red in aqueous medium.: Describes the application of Quinaldine Red for the visual detection of chemicals like hypochlorite and bisulfite, underlining its utility in environmental monitoring and chemical safety (Dutta et al., 2018).


• Self-Assembly and Formation of Chromonic Liquid Crystals from the Dyes Quinaldine Red Acetate and Pyronin Y.: Investigates the self-assembly properties of Quinaldine Red and its application in forming chromonic liquid crystals, demonstrating its potential in material science and nanotechnology (Magana et al., 2016).

Remarque sur l'analyse

Identity (UV/VIS-Spectrum): passes test
Transition range: pH 1.4 - pH 3.2 colourless - red
Absorption maximum λ_max. (Acetic acid): 528 - 533 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.005 g/l; acetic acid glacial; calculated on anhydrous substance): 1150 - 1480
Water (according to Karl Fischer): ≤ 5 %

Informations sur la sécurité

• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 3
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable