Description

4-(4-Oxo-4H-Benzo[H]Chromen-2-Yl)-Pyridinium Bisulfate is a specialized organic salt with a complex fused-ring structure, making it a valuable intermediate in advanced chemical synthesis. Its precise molecular architecture is critical for applications requiring high-purity chromophore or heterocyclic building blocks. This compound is primarily utilized by research institutions and industrial R&D departments focused on developing novel materials, pharmaceuticals, and specialty dyes.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those with chromone or flavone-based structures.
• Organic Synthesis Building Block: Used in advanced organic chemistry for constructing complex heterocyclic compounds and fused-ring systems.
• Dye & Pigment Research: Acts as a core structure in the development of new synthetic dyes, pigments, and optical brighteners due to its chromenone moiety.
• Material Science: Investigated for use in organic light-emitting diodes (OLEDs) and other advanced electronic materials as a functional component.
• Analytical Chemistry: May be employed as a standard or reference material in chromatographic analysis and spectroscopic studies.
• Biochemical Research: Studied for potential biological activity, given the known pharmacological properties of related benzochromene derivatives.

Basic Information

Product Name	4-(4-Oxo-4H-Benzo[H]Chromen-2-Yl)-Pyridinium Bisulfate
CAS No.	2110-25-0
Molecular Formula	C₁₈H₁₃NO₅S
Molecular Weight	355.37 g/mol
Synonyms	2-(Pyridin-4-yl)-4H-benzo[h]chromen-4-one bisulfate; 4-(4-Oxo-4H-benzo[h]chromen-2-yl)pyridinium hydrogen sulfate; Benzo[h]chromen-4-one, 2-(4-pyridinyl)-, sulfate (1:1); 2-(4-Pyridinyl)-4H-benzo[h]chromen-4-one bisulfate; Pyridinium, 4-(4-oxo-4H-benzo[h]chromen-2-yl)-, bisulfate
EINECS	Contact for details

Quality Control

Our production of 4-(4-Oxo-4H-Benzo[H]Chromen-2-Yl)-Pyridinium Bisulfate adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure consistency and meet precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect stability and handling properties.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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