Description

Propanoic Acid, 3-Chloro-2-Hydroxy-, 2-Propenyl Ester (9Ci) is a specialized organic ester compound, identified by CAS number 81728-68-9, that serves as a valuable chemical intermediate. Its unique structure, featuring both chloro and hydroxy functional groups on a propenyl ester backbone, makes it a versatile building block for synthesizing more complex molecules. This compound is primarily sought after by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly those requiring a chlorinated hydroxy ester moiety.
• Agrochemical Synthesis: Used as a precursor in the manufacture of advanced herbicides, fungicides, and plant growth regulators.
• Polymer Modification: Acts as a functional monomer or cross-linking agent to introduce specific properties like adhesion, weatherability, or reactivity into specialty polymers and coatings.
• Chemical Research (R&D): Serves as a versatile building block in organic synthesis for academic and industrial research laboratories exploring new chemical entities.
• Fine Chemical Production: Employed in the multi-step synthesis of complex fine chemicals and flavors & fragrances.

Basic Information

Product Name	Propanoic Acid, 3-Chloro-2-Hydroxy-, 2-Propenyl Ester (9Ci)
CAS No.	81728-68-9
Molecular Formula	C6H9ClO3
Molecular Weight	164.59 g/mol
Synonyms	3-Chloro-2-hydroxypropanoic acid 2-propenyl ester; Allyl 3-chloro-2-hydroxypropanoate; 2-Propenyl 3-chloro-2-hydroxypropanoate; 3-Chloro-2-hydroxypropionic acid allyl ester; Acrylic acid, 3-chloro-2-hydroxy-, allyl ester (related); 81728-68-9; (Allyloxycarbonyl)chloroacetic acid (derivative)
EINECS	Contact for details

Quality Control

Our Propanoic Acid, 3-Chloro-2-Hydroxy-, 2-Propenyl Ester (9Ci) is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay and impurity profiles. Our quality commitment supports applications requiring high-purity intermediates for GMP or research purposes.

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 heat, sparks, and open flame. Due to the ester and hydroxy functional groups, it should be kept separate from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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