Description

N,N,N',N'-Tetraethyl-2-Butyne-1,4-Diamine (CAS NO 105-18-0) is a versatile tertiary diamine featuring a central butyne linker, which imparts unique reactivity and coordination properties. This compound matters as a high-performance chemical intermediate and ligand, valued for its strong basicity and solubility in organic matrices. It is primarily needed by manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for synthesis and catalysis.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring complex amine functionalities.
• Catalyst Ligand: Serves as a chelating ligand in transition metal catalysis for cross-coupling and hydrogenation reactions.
• Polymer Additive: Acts as a curing agent, cross-linking agent, or modifier in epoxy and polyurethane resin systems.
• Agrochemical Synthesis: A key building block for producing herbicides, fungicides, and plant growth regulators.
• Corrosion Inhibitor Formulation: Incorporated into formulations for metal treatment and protection in industrial fluids.
• Chemical Research & Development: Employed in academic and industrial R&D for developing new synthetic methodologies and materials.

Basic Information

Product Name	N,N,N',N'-Tetraethyl-2-Butyne-1,4-Diamine
CAS No.	105-18-0
Molecular Formula	C14H28N2
Molecular Weight	224.39 g/mol
Synonyms	1,4-Bis(diethylamino)-2-butyne; TEDB; 2-Butyne-1,4-diamine, N,N,N',N'-tetraethyl-; Tetraethyldiaminobutyne; N,N,N',N'-Tetraethylbut-2-yne-1,4-diamine; 1,4-Di(diethylamino)-2-butyne; TEDA-B
EINECS	203-277-2

Quality Control

Our N,N,N',N'-Tetraethyl-2-Butyne-1,4-Diamine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets the required specifications for identity, purity, and composition. Certificates of Analysis (COA) detailing the results are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids. Recommended storage temperature is 15-25°C. The product is a strong base/organic solvent; ensure containers are kept tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.465 - 1.475
Density (20°C)	0.86 - 0.90 g/mL

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