Description

Acetic Acid, (3-Oxo-1,4-Dioxan-2-Ylidene)-, Methyl Ester (9Ci) is a specialized organic ester compound with a unique dioxanone-derived structure. This chemical serves as a versatile intermediate and building block in advanced synthetic chemistry, enabling the creation of complex molecular architectures. It is primarily needed by pharmaceutical R&D, agrochemical synthesis, 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 for heterocyclic compounds.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators requiring specific cyclic ester motifs.
• Specialty Polymer Monomer: Acts as a functional monomer for synthesizing polymers with tailored degradation profiles or specific chemical functionalities.
• Organic Synthesis Building Block: Employed in academic and industrial research laboratories for constructing complex organic molecules, including natural product analogs.
• Ligand and Catalyst Precursor: Useful in the preparation of novel chelating ligands or organocatalysts for asymmetric synthesis.
• Fine Chemical Production: Serves as a starting material or intermediate in the manufacture of dyes, flavors, and other high-value fine chemicals.

Basic Information

Product Name	Acetic Acid, (3-Oxo-1,4-Dioxan-2-Ylidene)-, Methyl Ester (9Ci)
CAS No.	872295-25-5
Molecular Formula	C7H8O5
Molecular Weight	172.13 g/mol
Synonyms	Methyl (3-oxo-1,4-dioxan-2-ylidene)acetate; 2-(Methoxycarbonylmethylene)-1,4-dioxan-3-one; Acetic acid, 2-(3-oxo-1,4-dioxan-2-ylidene)-, methyl ester; Methyl 2-((3-oxo-1,4-dioxan-2-ylidene))acetate
EINECS	Contact for details

Quality Control

Our Acetic Acid, (3-Oxo-1,4-Dioxan-2-Ylidene)-, Methyl Ester (9Ci) is produced under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. This material may be moisture-sensitive; keep container tightly sealed when not in use.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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