Description

Triphenylmethyl (CAS NO 2216-49-1) is a highly significant organometallic reagent and a fundamental building block in synthetic organic chemistry. Its primary value lies in its role as a robust protecting group for alcohols and as a precursor to the highly reactive triphenylmethyl (trityl) cation, which is instrumental in various cationic polymerization and carbocation chemistry studies. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, where precise control over molecular structure is critical.

Application

• As a protecting group reagent for hydroxyl functions in complex multi-step organic syntheses, particularly in pharmaceutical intermediate production.
• As a precursor for generating the triphenylmethyl (trityl) cation, a key species in mechanistic studies of carbocation stability and reaction pathways.
• In the synthesis of specialized dendrimers and polymers where the trityl group is used to control branching and functionality.
• For the preparation of trityl ethers, which are stable intermediates that can be selectively deprotected under mild acidic conditions.
• In research and development of cationic initiators for polymerization reactions.
• As a starting material or intermediate in the manufacture of dyes, pigments, and functional materials.

Basic Information

Product Name	Triphenylmethyl
CAS No.	2216-49-1
Molecular Formula	C19H16
Molecular Weight	244.33 g/mol
Synonyms	Trityl; Triphenylmethane; Trityl radical; 1,1',1''-Methylidynetrisbenzene; Triphenylmethyl radical; Benzene, 1,1',1''-methylidynetris-; NSC 66410
EINECS	218-710-3

Quality Control

Our Triphenylmethyl is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay by HPLC and identity confirmation by FT-IR, to ensure it meets the high-purity standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) documenting purity, physical characteristics, and test results 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 room temperature (15-25°C). This compound is sensitive to oxygen and moisture; for long-term storage, consider an inert atmosphere (argon or nitrogen). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	80 - 84 °C
Loss on Drying	≤ 0.5%

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