Description

3-Bromocrotonic Acid is a versatile halogenated organic acid building block, essential for advanced chemical synthesis. Its reactive bromine and carboxylic acid functionalities make it a critical intermediate for constructing complex molecular architectures. This compound is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for applications such as active pharmaceutical ingredient (API) synthesis and the development of novel crop protection agents.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Organic Synthesis Reagent: Serves as a versatile reagent for Michael additions, nucleophilic substitutions, and cyclization reactions.
• Ligand and Catalyst Precursor: Employed in the preparation of specialized ligands for metal-catalyzed reactions.
• Polymer Modification: Acts as a functional monomer or cross-linking agent for specialty polymers.
• Material Science Research: Used in the development of novel organic materials and liquid crystals.

Basic Information

Product Name	3-Bromocrotonic Acid
CAS No.	591-02-6
Molecular Formula	C4H5BrO2
Molecular Weight	165.00 g/mol
Synonyms	(E)-3-Bromobut-2-enoic Acid; trans-3-Bromocrotonic Acid; 3-Bromo-2-butenoic Acid; β-Bromocrotonic Acid; Crotonic Acid, 3-bromo-; 2-Butenoic acid, 3-bromo-; NSC 406908
EINECS	209-703-6

Quality Control

Our 3-Bromocrotonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability, consistency, and reliability for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and sources of ignition. Due to its nature as a strong acid/organic solvent, handle with appropriate personal protective equipment in a fume hood.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	85 - 89 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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