Description

1,2,3-Propanetricarboxylic Acid, 2-Hydroxy-, 1,2-Dimethyl Ester is a high-purity organic ester derivative of citric acid, valued for its role as a versatile chemical intermediate and building block. This compound is essential for manufacturers requiring a reactive diester with a free carboxylic acid group for controlled synthesis. It is primarily sought by the pharmaceutical, agrochemical, and specialty polymer industries for applications in drug development, complex molecule synthesis, and polymer modification.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, particularly where controlled esterification is required.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators that benefit from its specific molecular architecture.
• Polymer & Resin Modifier: Acts as a cross-linking agent or a monomer for creating specialized polyesters and resins with tailored properties like biodegradability or specific solubility.
• Chelating Agent Precursor: Serves as a starting material for synthesizing novel chelating compounds used in water treatment and metal ion sequestration processes.
• Flavor & Fragrance Industry: Employed as an intermediate for producing complex esters that contribute to specific aroma and flavor profiles.
• Cosmetic Ingredient Synthesis: Utilized in the controlled manufacture of emollients and other functional cosmetic ingredients.
• Laboratory & Research Chemical: A valuable reagent in organic chemistry research for studying esterification kinetics and developing new synthetic methodologies.

Basic Information

Product Name	1,2,3-Propanetricarboxylic Acid, 2-Hydroxy-, 1,2-Dimethyl Ester
CAS No.	53798-97-3
Molecular Formula	C9H12O8
Molecular Weight	248.19 g/mol
Synonyms	2-Hydroxy-1,2,3-propanetricarboxylic Acid 1,2-Dimethyl Ester; Dimethyl Hydrogen Citrate; Citric Acid Dimethyl Ester; 1,2-Dimethyl Citrate; 2-Hydroxypropane-1,2,3-tricarboxylic Acid Dimethyl Ester; Methyl Hydrogen Citrate; Dimethyl 2-Hydroxy-1,2,3-propanetricarboxylate
EINECS	Contact for details

Quality Control

Our 1,2,3-Propanetricarboxylic Acid, 2-Hydroxy-, 1,2-Dimethyl Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. Certificates of Analysis (COA) documenting these results are available for every shipment to support your quality assurance and regulatory compliance needs.

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 strong oxidizing agents, strong bases, and sources of heat.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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