Description

Hafnium Trifluoromethanesulfonate is a highly reactive metal-organic complex, specifically a hafnium(IV) salt of trifluoromethanesulfonic acid. This compound serves as a powerful and selective Lewis acid catalyst, valued for its ability to facilitate challenging organic transformations under mild conditions. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, fine chemical, and advanced materials sectors for applications requiring high catalytic activity and stability.

Application

• Lewis Acid Catalysis: A key catalyst for Friedel-Crafts acylations, alkylations, and other carbon-carbon bond-forming reactions.
• Polymerization Initiator: Used in the controlled polymerization of olefins and ring-opening polymerization for producing specialized polymers.
• Pharmaceutical Intermediate Synthesis: Facilitates the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs) requiring precise stereochemical control.
• Fine Chemical Manufacturing: Enables efficient synthesis of fragrances, flavors, and other high-value specialty chemicals.
• Materials Science Research: Employed in the development of metal-organic frameworks (MOFs), advanced ceramics, and catalytic coatings.
• Acid-Catalyzed Cyclizations: Effective in promoting intramolecular cyclization reactions to form heterocyclic compounds.

Basic Information

Product Name	Hafnium Trifluoromethanesulfonate
CAS No.	161337-67-3
Molecular Formula	C4H3F9HfO9S3 (Hf(OTf)4)
Molecular Weight	682.77 g/mol
Synonyms	Hafnium(IV) Triflate; Hafnium Triflate; Hafnium(4+) Trifluoromethanesulfonate; Tetrakis(trifluoromethanesulfonato)hafnium; Hf(OTf)4; Hafnium Tetra(trifluoromethanesulfonate); Trifluoromethanesulfonic Acid Hafnium(4+) Salt
EINECS	Contact for details

Quality Control

Our Hafnium Trifluoromethanesulfonate is manufactured under controlled conditions to ensure high purity and batch-to-batch consistency. Each lot undergoes rigorous analytical testing, including assay and impurity profiling. A Certificate of Analysis (COA) detailing purity, metal content, and other critical parameters is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., argon or nitrogen) to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (Hf(OTf)4)	≥ 98.0%
Hafnium (Hf) Content	Contact for details
Trace Metals (ICP-MS)	Contact for details
Water Content (KF)	< 0.5%

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