Description

Nitrosonium Tetrafluoroborate is an inorganic salt widely used as a versatile nitrosating and diazotizing agent in organic synthesis. Its primary value lies in its ability to efficiently introduce nitrosonium (NO+) ions under controlled conditions, making it a critical reagent for constructing nitrogen-containing molecules. This compound is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, particularly for the synthesis of diazonium salts, dyes, and complex heterocycles.

Application

• Diazonium Salt Preparation: A key reagent for the safe and efficient generation of aromatic diazonium tetrafluoroborates, which are pivotal intermediates in azo dye and pigment manufacturing.
• Nitrosation Reactions: Employed to introduce nitroso groups into amines, amides, and other nucleophiles for the synthesis of nitrosamines, oximes, and other functionalized compounds.
• Sandmeyer Reaction Catalyst: Facilitates the conversion of aryl diazonium salts into various aryl derivatives like chlorides, bromides, and cyanides.
• Organic Synthesis Reagent: Used in the preparation of nitroso compounds, as a dehydrogenation agent, and in other specialized transformations requiring a stable NO+ source.
• Polymer and Material Science: Acts as a curing agent or modifier in specific polymer systems and in the surface treatment of materials.
• Pharmaceutical Intermediate Synthesis: Crucial for constructing active pharmaceutical ingredients (APIs) that contain diazo or nitroso functionalities.

Basic Information

Product Name	Nitrosonium Tetrafluoroborate
CAS No.	14635-75-7
Molecular Formula	NOBF4
Molecular Weight	116.81 g/mol
Synonyms	Nitrosyl Tetrafluoroborate; Nitrosyl Borofluoride; Nitrosonium Borofluoride; NOBF4; Tetrafluoroboric Acid Nitrosyl Salt; BF4NO; Nitrosyl Fluoroborate
EINECS	238-676-7

Quality Control

Our Nitrosonium Tetrafluoroborate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high chemical purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profiles, and moisture content. Our quality system is designed to meet the rigorous demands of research and industrial-scale synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening. Store away from strong acids and organic solvents. Recommended storage temperature: 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (NOBF4)	≥ 98.0 %
Water Content (KF)	≤ 1.0 %
Fluoride (as F)	≤ 0.5 %
Insoluble Matter	≤ 0.1 %

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