Description

2-(2,2-Dimethylpropylidene)Butanedioic Acid is a specialized organic acid derivative featuring a gem-dimethyl substituted propylidene group. This compound serves as a valuable chemical intermediate and building block in advanced organic synthesis, enabling the introduction of a sterically hindered, lipophilic moiety. It is primarily required by pharmaceutical, agrochemical, and specialty chemical research and development teams for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those requiring sterically hindered carboxylic acid derivatives.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides where specific lipophilicity and stability are required.
• Polymer Modification: Acts as a monomer or cross-linking agent in the development of specialty polymers with tailored properties.
• Ligand and Catalyst Development: Serves as a precursor for creating complex ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Fine Chemical Production: Intermediate in the multi-step synthesis of flavors, fragrances, and other high-value fine chemicals.
• Academic & Industrial Research: A valuable reagent for methodological studies and exploring new chemical reactions in R&D laboratories.

Basic Information

Product Name	2-(2,2-Dimethylpropylidene)Butanedioic Acid
CAS No.	40938-21-4
Molecular Formula	C9H14O4
Molecular Weight	186.21 g/mol
Synonyms	2-(2,2-Dimethylpropylidene)succinic acid; 2-(Neopentylidene)succinic acid; 2-(2,2-Dimethylpropylidene)butanedioic acid; 40938-21-4; Butanedioic acid, 2-(2,2-dimethylpropylidene)-; (E)-2-(2,2-Dimethylpropylidene)succinic acid; (Z)-2-(2,2-Dimethylpropylidene)succinic acid; Neopentylidenesuccinic acid
EINECS	Contact for details

Quality Control

Our 2-(2,2-Dimethylpropylidene)Butanedioic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specification parameters are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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