Description

4-Methylbenzenediazonium Tetrafluoroborate is a versatile diazonium salt widely used as a key intermediate in organic synthesis. Its primary value lies in its ability to introduce the p-tolyl group into various molecular frameworks through efficient diazonium coupling and Sandmeyer-type reactions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing advanced materials, dyes, and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Critical for synthesizing complex molecules and active pharmaceutical ingredients (APIs) via diazonium chemistry.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents requiring aryl functionalization.
• Dye and Pigment Manufacturing: Serves as a precursor for azo dyes and pigments, providing colorfastness and specific chromophoric properties.
• Polymer Modification: Employed to graft functional aryl groups onto polymer backbones, enhancing material properties.
• Cross-Coupling Reactions: Acts as an electrophilic coupling partner in metal-catalyzed reactions for C-C and C-heteroatom bond formation.
• Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic pathways and material science.

Basic Information

Product Name	4-Methylbenzenediazonium Tetrafluoroborate
CAS No.	459-44-9
Molecular Formula	C7H7BF4N2
Molecular Weight	221.95 g/mol
Synonyms	p-Tolyldiazonium Tetrafluoroborate; Diazonium, (4-methylphenyl)-, tetrafluoroborate(1-); 4-Methylbenzenediazonium borofluoride; p-Toluenediazonium Tetrafluoroborate; (4-Methylphenyl)diazonium Tetrafluoroborate; TDFB; 4-Methylbenzenediazonium Fluoborate; p-Methylbenzenediazonium Tetrafluoroborate
EINECS	Contact for details

Quality Control

Our 4-Methylbenzenediazonium Tetrafluoroborate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at temperatures between 2°C and 8°C. Due to its hygroscopic and light-sensitive nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) when not in use to prevent moisture absorption and decomposition. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Assay	97.0 - 103.0 %
Water Content (KF)	≤ 1.0 %
Residue on Ignition	≤ 0.1 %

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