Description

Phosphonous Acid, 1H-1,2,4-Triazol-1-Yl- (9Ci) is a specialized organophosphorus compound that serves as a key synthetic intermediate. Its unique structure, combining a phosphonous acid moiety with a 1,2,4-triazole ring, makes it a valuable precursor for the development of novel ligands, catalysts, and biologically active molecules. This high-purity chemical is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries engaged in advanced chemical synthesis and process development.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting specific enzymatic pathways.
• Agrochemical Research: Used in the development of next-generation herbicides, fungicides, and plant growth regulators with unique modes of action.
• Ligand Synthesis: Serves as a precursor for creating specialized phosphine and phosphonite ligands used in homogeneous catalysis and metal complexation.
• Material Science: Employed in the research and development of flame retardants, polymer modifiers, and advanced functional materials.
• Chemical Synthesis: Acts as a versatile reagent for introducing the phosphonous acid-triazole functional group into more complex molecular architectures.

Basic Information

Product Name	Phosphonous Acid, 1H-1,2,4-Triazol-1-Yl- (9Ci)
CAS No.	72741-22-1
Molecular Formula	C2H4N3OP
Molecular Weight	117.04 g/mol
Synonyms	1H-1,2,4-Triazol-1-ylphosphonous Acid; (1H-1,2,4-Triazol-1-yl)phosphonous Acid; 1-(Phosphinoyl)-1H-1,2,4-triazole; Phosphinous Acid, P-(1H-1,2,4-triazol-1-yl)-; 72741-22-1; 1,2,4-Triazol-1-ylphosphonous Acid
EINECS	Contact for details

Quality Control

Our production of Phosphonous Acid, 1H-1,2,4-Triazol-1-Yl- (9Ci) adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and elemental analysis, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment, guaranteeing traceability and compliance with your research or manufacturing requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This compound is moisture-sensitive (hygroscopic); keep the container tightly sealed under an inert atmosphere such as nitrogen or argon to prevent degradation.

Specification

Item	Specification
Appearance	White to Off-White Crystalline Powder
Identification (IR)	Conforms to Reference Spectrum
Identification (NMR)	Conforms to Structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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