Description

N,N,N',N'-Tetramethyl-1,4-Butanediamine is a versatile aliphatic diamine with strong basicity, widely recognized by its CAS number 111-51-3. This compound serves as a crucial building block and catalyst in advanced organic synthesis and polymer chemistry. It is essential for manufacturers and R&D facilities in the pharmaceutical, agrochemical, and specialty polymer industries seeking efficient polyurethane catalysts, curing agents, or chemical intermediates.

Application

• Polyurethane Catalyst: Acts as a highly effective gelling and blowing catalyst for flexible polyurethane foams, offering balanced reaction profiles.
• Epoxy Curing Agent: Used as a hardener and cross-linking agent for epoxy resin systems, imparting specific mechanical and thermal properties.
• Organic Synthesis Intermediate: Serves as a key precursor and ligand in the synthesis of pharmaceuticals, agrochemicals, and complex organic molecules.
• Corrosion Inhibitor Formulation: Incorporated into formulations for industrial cooling water systems and metal treatment processes.
• Ion Exchange & Chelating Resins: Utilized in the production of specialty resins for water treatment and metal ion separation.
• Gas Treating Agent: Employed in acid gas scrubbing processes, such as CO2 removal, due to its amine functionality.

Basic Information

Product Name	N,N,N',N'-Tetramethyl-1,4-Butanediamine
CAS No.	111-51-3
Molecular Formula	C8H20N2
Molecular Weight	144.26 g/mol
Synonyms	1,4-Bis(dimethylamino)butane; Tetramethyl-1,4-butanediamine; TMBD; N,N,N',N'-Tetramethylbutane-1,4-diamine; 1,4-Butanediamine, N,N,N',N'-tetramethyl-; TMBDA; BDB; Dabco TMBDA
EINECS	203-877-6

Quality Control

Our N,N,N',N'-Tetramethyl-1,4-Butanediamine is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets exacting specifications for industrial and fine chemical applications. Certificates of Analysis (COA) are provided with every shipment to guarantee traceability, purity, and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture and carbon dioxide.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0 %
Water Content (KF)	≤ 0.5 %
Refractive Index (n20/D)	1.4230 - 1.4270
Density (20°C)	0.80 - 0.84 g/mL

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