Description

N,N,N',N'-Tetramethyl-2-Butene-1,4-Diamine is a versatile, high-purity tertiary diamine with a unique butene backbone. This compound is valued for its strong basicity and excellent solubility in organic solvents, making it a crucial intermediate and catalyst in advanced chemical synthesis. It is primarily sought after by manufacturers in the pharmaceutical, agrochemical, and polymer industries for applications requiring a sterically hindered, non-nucleophilic base or a specialized ligand.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly as a building block for complex amine derivatives and quaternary ammonium compounds.
• Catalyst & Ligand: Serves as a ligand in transition metal catalysis and as a non-nucleophilic base in organic reactions, including alkylations and deprotonations.
• Polymer & Resin Modifier: Acts as a curing agent, cross-linking agent, or chain extender in epoxy, polyurethane, and other specialty polymer systems to modify flexibility and thermal properties.
• Agrochemical Synthesis: Employed as a key intermediate in the production of herbicides, fungicides, and plant growth regulators.
• Corrosion Inhibitor Formulation: Utilized in industrial water treatment and metalworking fluids due to its film-forming and pH-buffering capabilities.
• Gas Treatment & Purification: Functions as an absorbent for acidic gases like CO2 and H2S in natural gas sweetening and carbon capture processes.

Basic Information

Product Name	N,N,N',N'-Tetramethyl-2-Butene-1,4-Diamine
CAS No.	111-52-4
Molecular Formula	C8H18N2
Molecular Weight	142.24 g/mol
Synonyms	1,4-Bis(dimethylamino)-2-butene; 2-Butene-1,4-diamine, N,N,N',N'-tetramethyl-; Tetramethylbutenediamine; TMBDA; N,N,N',N'-Tetramethylbut-2-ene-1,4-diamine; 1,4-Diamino-2-butene, N,N,N',N'-tetramethyl-; 2-Butene-1,4-diamine, tetramethyl-; (E)-1,4-Bis(dimethylamino)but-2-ene
EINECS	203-877-6

Quality Control

Our N,N,N',N'-Tetramethyl-2-Butene-1,4-Diamine is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets high-purity standards, typically ≥98% (GC). Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

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); containers must be kept tightly sealed to prevent absorption of atmospheric moisture and carbon dioxide.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	0.82 - 0.86
Refractive Index (n20/D)	1.440 - 1.444

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