Description

4-Methyl-1-(3-Oxo-3H-Naphtho[2,1-B]Pyran-2-Yl)-1H-1,2,4-Triazolium Methyl Sulphate is a specialized organic salt with a complex fused-ring structure, serving as a key advanced intermediate in high-value chemical synthesis. Its unique molecular architecture makes it a critical building block for developing functional dyes, optical brighteners, and photoactive compounds. This product is essential for R&D laboratories and industrial manufacturers in the fine chemicals, specialty dyes, and advanced materials sectors seeking to innovate with complex heterocyclic chemistry.

Application

• Synthesis of Functional Dyes and Pigments: Acts as a crucial precursor for creating novel naphthopyran and triazole-based dyes with specific optical properties.
• Advanced Material Research: Used in the development of organic semiconductors, photochromic materials, and non-linear optical (NLO) compounds.
• Pharmaceutical Intermediate: Serves as a sophisticated building block in medicinal chemistry for the synthesis of potential drug candidates with complex heterocyclic cores.
• Photoinitiator and Photostabilizer Development: Explored for applications in polymer chemistry to create novel photoinitiators or UV-absorbing/stable additives.
• Analytical Chemistry and Sensor Technology: Potential use as a fluorophore or a core structure in chemosensors due to its conjugated system.
• Academic and Industrial R&D: A valuable compound for research into new chemical reactions and properties of fused heteroaromatic systems.

Basic Information

Product Name	4-Methyl-1-(3-Oxo-3H-Naphtho[2,1-B]Pyran-2-Yl)-1H-1,2,4-Triazolium Methyl Sulphate
CAS No.	67883-54-9
Molecular Formula	C17H15N3O5S
Molecular Weight	373.38 g/mol
Synonyms	4-Methyl-1-(3-oxo-3H-naphtho[2,1-b]pyran-2-yl)-1,2,4-triazol-4-ium methyl sulfate; 1,2,4-Triazolium, 4-methyl-1-(3-oxo-3H-naphtho[2,1-b]pyran-2-yl)-, methyl sulfate; Methyl 4-methyl-1-(3-oxo-3H-naphtho[2,1-b]pyran-2-yl)-1,2,4-triazol-4-ium-1-sulfonate; 4-Methyl-1-(3-oxonaphtho[2,1-b]pyran-2-yl)-1,2,4-triazolium methylsulfate; Naphtho[2,1-b]pyran-2-yl triazolium methyl sulfate derivative; CAS 67883-54-9
EINECS	Contact for details

Quality Control

Our production of 4-Methyl-1-(3-Oxo-3H-Naphtho[2,1-B]Pyran-2-Yl)-1H-1,2,4-Triazolium Methyl Sulphate adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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 performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to brownish powder or crystalline solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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