Description

(2E)-2,3-Dibromo-2-Butenoic Acid is a specialized brominated organic acid building block with significant synthetic utility. Its unique structure, featuring both bromine atoms and a carboxylic acid group on an alkene backbone, makes it a valuable intermediate for constructing complex molecules. This compound is primarily sought by research chemists and process development scientists in the pharmaceutical and agrochemical industries for applications in cross-coupling reactions, cycloadditions, and as a precursor for other functionalized derivatives.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring bromo-alkene motifs.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides where the dibromoalkene unit is incorporated into the final molecule.
• Organic Synthesis Building Block: Employed in various name reactions such as Heck coupling, Suzuki-Miyaura coupling, and Diels-Alder reactions to introduce functional complexity.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of specialized polymers and functional materials.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying enzyme mechanisms or biological pathways.

Basic Information

Product Name	(2E)-2,3-Dibromo-2-Butenoic Acid
CAS No.	24557-17-3
Molecular Formula	C4H4Br2O2
Molecular Weight	243.88 g/mol
Synonyms	(E)-2,3-Dibromo-2-butenoic Acid; trans-2,3-Dibromocrotonic Acid; 2,3-Dibromo-2-butenoic Acid; 2-Butenoic acid, 2,3-dibromo-, (2E)-; 2,3-Dibromocrotonic Acid; α,β-Dibromocrotonic Acid; Crotonic acid, 2,3-dibromo-
EINECS	Contact for details

Quality Control

Our (2E)-2,3-Dibromo-2-Butenoic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and process chemistry. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, identity, and impurity profile.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and sources of ignition. Due to its acid nature and light sensitivity, appropriate personal protective equipment should be used during handling.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	95 - 100 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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