Description

Diethyl(4-Methyl-2-Oxo-2H-Benzopyran-7-Yl)Ammonium Hydrogen Sulphate is a high-purity organic salt derivative of a coumarin structure, serving as a critical synthetic intermediate and functional material. Its value lies in its unique molecular architecture, which combines a photoactive benzopyranone core with a quaternary ammonium moiety, enabling applications in advanced material synthesis and specialty chemistry. This compound is essential for B2B clients in the pharmaceutical, agrochemical, and specialty chemical industries engaged in research, process development, and high-value manufacturing.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting neurological or cardiovascular pathways.
• Agrochemical Synthesis: Used in the research and development of advanced crop protection agents and plant growth regulators.
• Photoinitiator & Functional Dye Precursor: Serves as a core structure for developing photoactive compounds used in polymer curing, imaging, and sensor technologies.
• Organic Synthesis Reagent: Employed as a phase-transfer catalyst or a charged intermediate in complex organic reactions requiring solubility modulation.
• Material Science Research: Investigated for creating ionic liquids, supramolecular assemblies, and other advanced functional materials with tailored properties.

Basic Information

Product Name	Diethyl(4-Methyl-2-Oxo-2H-Benzopyran-7-Yl)Ammonium Hydrogen Sulphate
CAS No.	67210-66-6
Molecular Formula	C₁₅H₂₁NO₆S
Molecular Weight	343.40 g/mol
Synonyms	7-(Diethylamino)-4-methylcoumarin hydrogen sulfate; 7-(Diethylamino)-4-methyl-2H-chromen-2-one hydrogen sulfate; Diethyl(4-methyl-2-oxo-2H-chromen-7-yl)ammonium hydrogen sulfate; Coumarin 1 hydrogen sulfate; 4-Methyl-7-diethylaminocoumarin hydrogen sulfate; 7-Diethylamino-4-methylcoumarin sulfate; [7-(Diethylamino)-4-methyl-2-oxo-2H-chromen-6-yl]ammonium hydrogen sulfate (isomer)
EINECS	Contact for details

Quality Control

Our Diethyl(4-Methyl-2-Oxo-2H-Benzopyran-7-Yl)Ammonium Hydrogen Sulphate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and tests for residual solvents and heavy metals, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, and custom purity grades (e.g., >98%, >99%) are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). The compound is hygroscopic (moisture-sensitive); keep the container tightly sealed in a dry environment to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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