Description

Crotonic acid is a versatile short-chain unsaturated carboxylic acid, valued for its reactive vinyl group and carboxylic acid functionality. This combination makes it a crucial chemical intermediate for synthesizing polymers, pharmaceuticals, and specialty chemicals. It is essential for manufacturers in the polymer, agrochemical, and pharmaceutical industries seeking to produce high-performance materials and active ingredients.

Application

• Polymer Industry: Key monomer for producing copolymers like polyvinyl acetate-crotonate, used in adhesives, paints, and textile finishes.
• Pharmaceutical Synthesis: Important building block for manufacturing various active pharmaceutical ingredients (APIs) and vitamins.
• Agrochemical Production: Intermediate in the synthesis of herbicides, fungicides, and other crop protection agents.
• Chemical Intermediate: Used in organic synthesis to introduce the crotonyl moiety for producing flavors, fragrances, and specialty esters.
• Resin Modification: Employed to modify alkyd and other synthetic resins to improve properties like drying time and hardness.

Basic Information

Product Name	Crotonic Acid
CAS No.	3824-65-0
Molecular Formula	C4H6O2
Molecular Weight	86.09 g/mol
Synonyms	(E)-2-Butenoic Acid; trans-2-Butenoic Acid; 3-Methylacrylic Acid; β-Methylacrylic Acid; Crotonic Acid (trans); 2-Butenoic Acid (E); trans-Crotonic Acid; Crotonate
EINECS	223-302-6

Quality Control

Our Crotonic acid is produced under a stringent quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets high-purity specifications for industrial and fine chemical use. A detailed Certificate of Analysis (COA) confirming identity, purity, and impurity profiles is provided with each shipment to guarantee batch-to-batch consistency and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption and degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.5%
Melting Point	70°C - 73°C
Water Content (KF)	≤ 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.