Description

(S)-(+)-2-(Methylmethoxy)-1,2-Propanediol is a high-purity chiral building block and specialty solvent of significant interest in advanced organic synthesis. Its value lies in its enantiomeric purity and bifunctional structure, making it a versatile intermediate for constructing complex molecules with defined stereochemistry. This compound is essential for research and production in the pharmaceutical, agrochemical, and fine chemical industries, where precise molecular architecture is critical.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in antiviral, cardiovascular, and central nervous system (CNS) drug candidates.
• Asymmetric Synthesis: Used as a chiral auxiliary or ligand precursor in catalytic asymmetric reactions to induce high enantioselectivity.
• Agrochemicals: Serves as a building block for enantiomerically pure herbicides, fungicides, and plant growth regulators.
• Polymer Chemistry: A monomer or cross-linking agent for producing specialty polymers with tailored properties, such as biodegradable plastics or resins.
• Solvent & Reaction Medium: Functions as a polar, aprotic solvent for sensitive reactions where traditional solvents may cause racemization or side reactions.
• Liquid Crystal & Electronic Materials: A precursor in the synthesis of chiral dopants for liquid crystal displays (LCDs) and other advanced electronic materials.

Basic Information

Product Name	(S)-(+)-2-(Methylmethoxy)-1,2-Propanediol
CAS No.	91191-95-6
Molecular Formula	C5H12O3
Molecular Weight	120.15 g/mol
Synonyms	(S)-2-(Methoxymethoxy)-1,2-propanediol; (S)-(+)-2-Methoxymethoxy-1,2-propanediol; (S)-2-(Methylmethoxy)propane-1,2-diol; (S)-Methoxymethyl Glycidol Diol; (2S)-2-(Methoxymethoxy)propane-1,2-diol; (S)-MMPG; Chiral Propylene Glycol Methylmethoxy Ether
EINECS	Contact for details

Quality Control

Our (S)-(+)-2-(Methylmethoxy)-1,2-Propanediol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity assessment by HPLC, to ensure compliance with exacting standards for research and industrial use. Certificates of Analysis (COA) detailing identity, purity, enantiomeric excess, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere (e.g., nitrogen) for long-term storage to prevent moisture absorption and potential degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Water Content (KF)	≤ 0.5%
Specific Rotation [α]20/D	+10.0° to +12.0° (c=1 in CHCl3)

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