Description

(S)-(+)-1-Methoxy-2-Propanol CAS NO 26550-55-0 is a high-purity, chiral propylene glycol methyl ether (PGME) derivative, serving as a versatile, optically active solvent and building block in advanced chemical synthesis. Its specific stereochemistry is critical for applications requiring enantioselectivity, offering superior performance in chiral resolution and as a reaction medium for sensitive organometallic chemistry. This product is essential for industries focused on pharmaceuticals, agrochemicals, and high-performance electronics, where precise molecular control dictates product efficacy and quality.

Application

• Chiral Synthesis & Resolution: A key solvent and intermediate in the synthesis of enantiomerically pure pharmaceuticals and agrochemicals.
• Electronics Manufacturing: Used as a high-purity solvent for photoresists and cleaning agents in semiconductor and LCD production.
• Advanced Coatings & Inks: Functions as an active solvent in formulations requiring low toxicity and excellent solvency for resins.
• Pharmaceutical Excipient: Employed as a solvent in drug formulation and as a processing aid in controlled-release systems.
• Chemical Intermediate: Serves as a precursor for the synthesis of specialty esters, ethers, and other functionalized compounds.
• Laboratory Research: A valuable reagent in academic and industrial R&D for asymmetric synthesis and material science.

Basic Information

Product Name	(S)-(+)-1-Methoxy-2-Propanol
CAS No.	26550-55-0
Molecular Formula	C4H10O2
Molecular Weight	90.12 g/mol
Synonyms	(S)-(+)-Propylene Glycol Monomethyl Ether; (S)-1-Methoxy-2-propanol; (S)-PGME; (S)-1-Methoxypropan-2-ol; (+)-(S)-1-Methoxy-2-propanol; (S)-Methoxyisopropanol; (2S)-1-Methoxypropan-2-ol; Arcosolv® PM (S-isomer)
EINECS	Contact for details

Quality Control

Our (S)-(+)-1-Methoxy-2-Propanol is manufactured under strict quality management systems. Each batch is analyzed to ensure it meets stringent specifications for purity, enantiomeric excess, and impurity profiles. Certificates of Analysis (COA) detailing results for assay, optical rotation, water content, and related substances are provided and available upon request, supporting compliance in GMP and ISO environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept upright to prevent leakage.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Optical Rotation [α]D20	+15.5° to +16.5°
Enantiomeric Excess (ee)	≥ 99.0%
Water Content (KF)	≤ 0.1%
Related Substances (GC)	≤ 0.5% total
Refractive Index nD20	1.402 - 1.404
Density (20°C)	0.920 - 0.925 g/mL

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