Description

Quinaldine Red is a synthetic cationic dye belonging to the quinoline family, recognized for its distinct colorimetric properties. This compound is highly valued as a versatile fluorescent probe and pH indicator in advanced analytical and biochemical research. It is essential for industries and research institutions focused on membrane potential studies, protein detection, and spectroscopic analysis.

Application

• Biochemical Research: Used as a fluorescent probe for studying mitochondrial membrane potential and apoptosis in cell biology.
• Analytical Chemistry: Serves as a sensitive pH indicator and a colorimetric agent in various titration and detection methods.
• Protein & Nucleic Acid Staining: Employed in gel electrophoresis and blotting techniques for visualizing biomolecules.
• Material Science: Acts as a dopant or sensor in the development of optical materials and chemical sensors.
• Industrial Dye: Utilized in specialized applications requiring specific light absorption and fluorescence characteristics.

Basic Information

Product Name	Quinaldine Red
CAS No.	117-92-0
Molecular Formula	C₂₁H₂₃IN₂
Molecular Weight	430.33 g/mol
Synonyms	2-[p-(Dimethylamino)styryl]-1-ethylquinolinium iodide; Quinolinium, 2-[4-(dimethylamino)styryl]-1-ethyl-, iodide; Basic Red 20; Astrazon Red 6B; 1-Ethyl-2-[4-(p-dimethylaminophenyl)-1,3-butadienyl]quinolinium iodide; Quinaldine Red Iodide; C.I. 48015
EINECS	204-217-9

Quality Control

Our Quinaldine Red is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot is subjected to comprehensive analytical testing, including HPLC for purity, spectrophotometry for absorbance verification, and identity confirmation via IR and NMR. Certificates of Analysis (COA) detailing all specifications are provided to guarantee compliance with your research or industrial requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Absorbance (Ethanol)	λmax: 528-532 nm
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.