Description

Meso-2,3-Butanediol CAS NO 5341-95-7 is a valuable chiral diol and a key intermediate in organic synthesis and industrial biotechnology. Its unique stereochemistry makes it a versatile building block for producing high-value fine chemicals, polymers, and pharmaceuticals. This compound is essential for manufacturers in the chemical, pharmaceutical, and flavor & fragrance industries seeking a reliable, high-purity chiral synthon.

Application

• Chemical Intermediate: A crucial chiral building block for synthesizing pharmaceuticals, agrochemicals, and liquid crystals.
• Polymer Production: Used as a monomer or co-monomer in the synthesis of specialty polyesters and polyurethanes, imparting specific physical properties.
• Solvent & Carrier: Serves as a green, high-boiling-point solvent in coatings, inks, and resin formulations.
• Flavor & Fragrance Industry: Acts as a precursor for flavoring agents and aroma compounds.
• Antifreeze & Deicing Fluid: A component in environmentally friendly, low-toxicity antifreeze formulations.
• Personal Care: Used as a humectant and solvent in cosmetic and personal care products.
• Bio-based Platform Chemical: A target molecule in fermentation processes for the production of bio-based chemicals from renewable resources.

Basic Information

Product Name	Meso-2,3-Butanediol
CAS No.	5341-95-7
Molecular Formula	C4H10O2
Molecular Weight	90.12 g/mol
Synonyms	meso-2,3-Butylene Glycol; (2R,3S)-2,3-Butanediol; (2S,3R)-2,3-Butanediol; DL-2,3-Butanediol (meso form); 2,3-Dihydroxybutane; Butane-2,3-diol (meso); (±)-2,3-Butanediol (meso)
EINECS	226-285-3

Quality Control

Our Meso-2,3-Butanediol is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. We offer various grades, including technical and high-purity grades, to meet diverse application requirements. Certificates of Analysis (COA) detailing purity, enantiomeric excess, and key specifications are provided with every shipment to guarantee compliance with your process standards.

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). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which may affect product quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Enantiomeric Purity (meso)	≥ 99.0%
Water Content (KF)	≤ 0.5%
Specific Rotation	~ 0° (inactive)
Refractive Index (n20D)	1.433 - 1.437
Density (g/mL at 20°C)	1.003 - 1.007

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