Description

2-(4-Hydroxyphenyl)-1-Benzopyrylium is a specialized organic compound belonging to the benzopyrylium (flavylium) cation family, a class of compounds known for their role as chromophores and structural motifs in natural pigments. This compound matters as a key synthetic intermediate and a model compound for studying the photophysical and chemical properties of anthocyanin-type dyes, which are crucial for color stability and functionality. Industries involved in the research and development of advanced materials, analytical chemistry standards, and specialized organic synthesis require this high-purity chemical for their processes.

Application

• Research & Development: Serves as a critical reference standard and building block in academic and industrial R&D for studying natural dye chemistry, photochromism, and pH-dependent color changes.
• Analytical Chemistry: Used as a high-purity standard for calibrating instruments (HPLC, UV-Vis) and developing analytical methods for flavonoid and anthocyanin analysis.
• Specialty Dyes & Pigments: Acts as a precursor or model compound in the synthesis and development of novel synthetic dyes, pigments, and photonic materials.
• Photochemical Studies: Employed in fundamental research to investigate light-induced reactions, energy transfer processes, and the stability of flavylium salts under various conditions.
• Food & Nutraceutical Science: Used in studies simulating the behavior of natural food colorants (anthocyanins) to understand degradation pathways and enhance color stability in products.
• Material Science: Investigated for potential applications in smart materials, sensors, and optoelectronic devices due to its reversible structural transformations.

Basic Information

Product Name	2-(4-Hydroxyphenyl)-1-Benzopyrylium
CAS No.	15896-53-4
Molecular Formula	C15H11O2+
Molecular Weight	223.25 g/mol (cation)
Synonyms	2-(4-Hydroxyphenyl)benzopyrylium; 2-(4-Hydroxyphenyl)flavylium; 4'-Hydroxyflavylium; 2-(p-Hydroxyphenyl)-1-benzopyrylium; Flavylium, 4'-hydroxy-; 1-Benzopyrylium, 2-(4-hydroxyphenyl)-; 4'-Hydroxy-2-phenyl-1-benzopyrylium
EINECS	Contact for details

Quality Control

Our 2-(4-Hydroxyphenyl)-1-Benzopyrylium is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity suitable for research and development. Each lot undergoes rigorous analytical testing, including chromatographic purity assays and structural confirmation. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance 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 compound is light-sensitive (store away from light). For long-term storage, consider inert atmosphere conditions to prevent potential oxidative degradation.

Specification

Item	Specification
Appearance	Yellow to orange solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 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.