Description

2-Butynedioic Acid, Bis(1-Methylethyl) Ester is a diester derivative of acetylenedicarboxylic acid, characterized by its unique alkyne functionality. This compound serves as a valuable high-purity chemical intermediate and building block in advanced organic synthesis. It is primarily sought after by pharmaceutical research, agrochemical development, and specialty polymer industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon in the production of active pharmaceutical ingredients (APIs), particularly for molecules requiring a rigid, linear alkyne core.
• Agrochemical Synthesis: Used in the manufacture of advanced herbicides, fungicides, and plant growth regulators.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for specialty polymers, including polyesters and polyamides with tailored thermal and mechanical properties.
• Organic Synthesis Reagent: Employed in Diels-Alder reactions and other cycloadditions to create complex heterocyclic and carbocyclic compounds.
• Liquid Crystal & Electronic Materials: Serves as a precursor in the synthesis of organic semiconductors and liquid crystal display (LCD) components.
• Cosmetic & Personal Care Ingredients: Used in the synthesis of specialty esters and emollients for high-performance formulations.

Basic Information

Item	Details
Product Name	2-Butynedioic Acid, Bis(1-Methylethyl) Ester
CAS No.	14447-03-1
Molecular Formula	C10H14O4
Molecular Weight	198.22 g/mol
Synonyms	Diisopropyl Acetylenedicarboxylate; Diisopropyl But-2-ynedioate; Acetylenedicarboxylic Acid Diisopropyl Ester; Diisopropyl Acetylenedicarboxylate; Diisopropyl Ethynedicarboxylate; Propargyl Diisopropyl Ester; 2-Butynedioic Acid Diisopropyl Ester; Bis(isopropyl) Acetylenedicarboxylate
EINECS	Contact for details

Quality Control

We supply 2-Butynedioic Acid, Bis(1-Methylethyl) Ester in various purity grades to meet diverse industrial needs. Our products undergo rigorous quality testing to ensure compliance with industry standards. A comprehensive Certificate of Analysis (COA) is provided with each batch, detailing purity, identity, and impurity profiles. For specific requirements, we can tailor quality parameters to align with cGMP, ISO 9001, or research-grade specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, open flames, and incompatible materials such as strong oxidizing agents, strong acids, and strong bases. The container should be kept tightly sealed when not in use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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