Description

Mesotartaric Acid CAS NO 147-73-9 is a stereoisomer of tartaric acid, characterized by its internal plane of symmetry and meso configuration. This unique molecular structure makes it a valuable chiral building block and resolving agent in asymmetric synthesis and pharmaceutical manufacturing. It is essential for industries requiring high-purity intermediates for the production of fine chemicals, chiral catalysts, and advanced materials.

Application

• Chiral Resolution Agent: Used for the separation of racemic mixtures in pharmaceutical and fine chemical synthesis.
• Asymmetric Synthesis: Serves as a precursor or auxiliary in the production of enantiomerically pure compounds.
• Pharmaceutical Intermediates: A key building block in the synthesis of active pharmaceutical ingredients (APIs).
• Catalyst Ligand Synthesis: Employed in the preparation of chiral ligands for metal-catalyzed reactions.
• Food & Beverage Additive Precursor: Used in the controlled production of certain food-grade acidulants.
• Analytical Chemistry: Acts as a standard or reagent in chromatographic methods and polarimetry.
• Polymer Modification: Utilized in the synthesis of specialized polyesters and polymers with specific stereochemical properties.
• Research & Development: A critical compound for academic and industrial research in stereochemistry and organic synthesis.

Basic Information

Product Name	Mesotartaric Acid
CAS No.	147-73-9
Molecular Formula	C4H6O6
Molecular Weight	150.09 g/mol
Synonyms	meso-Tartaric Acid; (2R,3S)-2,3-Dihydroxysuccinic Acid; (2R,3S)-Tartaric Acid; (R,S)-Tartaric Acid; DL-Tartaric Acid (meso form); 2,3-Dihydroxybutanedioic Acid (meso); Erythraric Acid; Inactive Tartaric Acid
EINECS	205-695-6

Quality Control

Our Mesotartaric Acid is manufactured under a strict quality management system. Each batch is tested to ensure it meets high-purity standards suitable for pharmaceutical and fine chemical applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Specific Rotation [α]20/D	0° ± 0.5° (c=1 in H2O)
Loss on Drying	≤ 0.5%
Residue on Ignition (Sulfated Ash)	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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