Description

(S)-(-)-Propylene Carbonate is a high-purity, chiral organic solvent and chemical intermediate with the CAS registry number 51260-39-0. This enantiomerically pure compound is valued for its role in asymmetric synthesis and as a specialty electrolyte component, offering distinct advantages over its racemic counterpart. It is essential for manufacturers and researchers in the pharmaceutical, advanced battery technology, and fine chemical sectors who require precise stereochemical control and high-performance material properties.

Application

• Chiral Auxiliary & Intermediate: A key building block in the asymmetric synthesis of active pharmaceutical ingredients (APIs) and other optically active compounds.
• Lithium-Ion Battery Electrolyte: Used as a high-purity, specialty component in electrolyte formulations for enhanced performance and stability.
• Polar Aprotic Solvent: Employed in chemical reactions requiring a high dielectric constant and good solvating power, particularly where chirality is a factor.
• Polymer Synthesis: Serves as a monomer or solvent in the production of specialized polycarbonates and other polymers.
• Gas Separation Membranes: A component in polymer membranes used for selective separation of carbon dioxide and other gases.
• Analytical Chemistry: Utilized as a chiral stationary phase modifier or mobile phase component in chromatographic separations.

Basic Information

Product Name	(S)-(-)-Propylene Carbonate
CAS No.	51260-39-0
Molecular Formula	C4H6O3
Molecular Weight	102.09 g/mol
Synonyms	(S)-Propylene Carbonate; (S)-4-Methyl-1,3-dioxolan-2-one; (-)-Propylene Carbonate; (S)-1,2-Propanediol cyclic carbonate; (S)-PC; S-PC; L-Propylene Carbonate; Optically Active Propylene Carbonate
EINECS	Contact for details

Quality Control

Our (S)-(-)-Propylene Carbonate is produced under strict quality management systems. Each batch is subjected to rigorous analytical testing, including chiral purity (enantiomeric excess) determination by chiral HPLC or GC, standard purity assay, and control of key impurities. Certificates of Analysis (COA) detailing all specifications are provided to ensure compliance with your research and manufacturing requirements.

Storage

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

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral GC/HPLC)	≥ 99.0%
Water Content (Karl Fischer)	≤ 0.1%
Specific Rotation [α]D20	-15.0° to -18.0° (c=1, MeOH)

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