Description

1 3-Di-tert-Butylimidazolinium Tetrafluoroborate is a high-purity ionic liquid and a versatile organic salt with significant utility in advanced chemical synthesis. Its value lies in its role as a stable, non-nucleophilic base and catalyst precursor, particularly for generating N-heterocyclic carbenes (NHCs) in organometallic chemistry. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries, where it facilitates key coupling and polymerization reactions under demanding conditions.

Application

• Precursor for generating N-Heterocyclic Carbene (NHC) ligands used in transition metal catalysis (e.g., palladium, ruthenium, gold).
• Catalyst component in cross-coupling reactions (Suzuki, Heck, Sonogashira) for pharmaceutical intermediate synthesis.
• Stable organic base in fine chemical and API manufacturing processes requiring moisture-sensitive conditions.
• Component in the synthesis of ionic liquids with tailored properties for electrolytes or green solvents.
• Catalyst for ring-opening polymerization (ROP) and other polymerizations to create advanced materials.
• Reagent in organocatalysis for asymmetric synthesis and C-H activation reactions.
• Building block for agrochemical active ingredients and specialty chemical research.
• Use in academic and industrial R&D for developing novel catalytic systems and methodologies.

Basic Information

Product Name	1 3-Di-tert-Butylimidazolinium Tetrafluoroborate
CAS No.	137581-21-6
Molecular Formula	C11H21BF4N2
Molecular Weight	268.11 g/mol
Synonyms	1,3-Di-tert-butylimidazolinium tetrafluoroborate; 1,3-Di-tert-butylimidazolium tetrafluoroborate; 1,3-Di-tert-butyl-4,5-dihydroimidazol-3-ium tetrafluoroborate; Di-tert-butylimidazolinium BF4; N,N'-Di-tert-butylimidazolinium tetrafluoroborate; NHC precursor salt; Imidazolinium salt; DBU-imidazolinium BF4 (common abbreviation)
EINECS	Contact for details

Quality Control

Our 1 3-Di-tert-Butylimidazolinium Tetrafluoroborate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity, NMR for structural confirmation, and KF titration for water content, to ensure it meets the high standards required for catalytic and synthetic applications. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5% w/w
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.