Description

(S)-(+)-1,3-Butanediol is a high-purity, chiral diol characterized by its specific optical rotation. This compound serves as a versatile chiral building block and solvent, offering distinct stereochemical advantages for advanced synthesis. It is essential for manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to produce enantiomerically pure intermediates, flavors, and fragrances. Its unique properties also make it valuable for applications in polymer science and as a precursor for high-value derivatives.

Application

• Chiral Intermediate in Pharmaceutical Synthesis: Used as a key starting material or resolving agent for producing enantiomerically pure active pharmaceutical ingredients (APIs).
• Agrochemical Production: Employed in the synthesis of stereospecific pesticides and herbicides for enhanced efficacy.
• Flavor and Fragrance Industry: Acts as a precursor for chiral lactones and other compounds that impart specific sensory profiles.
• Polymer Chemistry: Utilized as a monomer or chain extender in the production of specialty polyesters and polyurethanes with tailored properties.
• Organic Synthesis: Serves as a chiral solvent or auxiliary in asymmetric synthesis and catalysis.
• Cosmetic and Personal Care: Functions as a humectant and solvent in high-end cosmetic formulations where stereopurity is a concern.

Basic Information

Product Name	(S)-(+)-1,3-Butanediol
CAS No.	24621-61-2
Molecular Formula	C4H10O2
Molecular Weight	90.12 g/mol
Synonyms	(S)-1,3-Butylene Glycol; (S)-(+)-1,3-Butylene Glycol; (S)-1,3-Dihydroxybutane; (3S)-Butane-1,3-diol; L-1,3-Butanediol; (S)-Butane-1,3-diol; (+)-1,3-Butanediol
EINECS	Contact for details

Quality Control

Our (S)-(+)-1,3-Butanediol is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity assay by HPLC, specific optical rotation measurement, and identification by IR spectroscopy, to ensure it meets the high standards required for chiral synthesis. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

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); containers must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Chiral Purity (Enantiomeric Excess)	≥ 99.0% ee
Specific Optical Rotation [α]20/D	+13.5° to +15.5° (c=1 in H2O)
Water Content (KF)	≤ 0.5%

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