Description

trans-2-Butenoic Acid is a high-purity, unsaturated carboxylic acid widely used as a key intermediate in organic synthesis. Its value lies in the reactive α,β-unsaturated carbonyl system, making it a versatile building block for pharmaceuticals, agrochemicals, and specialty polymers. This compound is essential for manufacturers and R&D laboratories seeking a reliable, high-quality intermediate for condensation reactions, esterifications, and the production of fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) and various drug molecules.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Production: Serves as a monomer or co-monomer in the manufacture of specialty polymers, coatings, and adhesives.
• Flavor & Fragrance Industry: Employed in the synthesis of esters and other compounds used as aroma chemicals.
• Organic Synthesis: A versatile building block for Michael additions, Diels-Alder reactions, and other C-C bond-forming processes.
• Research & Development: Used in academic and industrial R&D for exploring new synthetic pathways and material science.

Basic Information

Product Name	trans-2-Butenoic Acid
CAS No.	107-93-7
Molecular Formula	C4H6O2
Molecular Weight	86.09 g/mol
Synonyms	trans-Crotonic Acid; (E)-2-Butenoic Acid; (E)-Crotonic Acid; 2-Butenoic Acid, (E)-; trans-β-Methylacrylic Acid; (E)-β-Methylacrylic Acid; Boiling Acid; 3-Methylacrylic Acid; Tiglidic Acid (obsolete)
EINECS	203-533-9

Quality Control

Our trans-2-Butenoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets stringent specifications for industrial and research use. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are provided to guarantee traceability, purity, and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, open flames, and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	70°C - 74°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.