Description

Mono-(1S)-(+)-Menthyl Phthalate is a high-purity, optically active derivative of menthol and phthalic acid, serving as a key chiral intermediate and specialty additive. Its value lies in its ability to impart specific stereochemical properties and modify physical characteristics in advanced formulations. This compound is essential for manufacturers in the pharmaceutical, fragrance, and advanced material sectors seeking to develop products with defined chiral purity or tailored performance.

Application

• Chiral Resolution Agent: Used in the separation of enantiomers in pharmaceutical and fine chemical synthesis.
• Pharmaceutical Intermediate: Serves as a building block for the production of active pharmaceutical ingredients (APIs) requiring specific stereochemistry.
• Fragrance & Flavor Ingredient: Acts as a precursor or modifier in the creation of high-value, stereospecific aroma chemicals.
• Polymer & Resin Modifier: Employed as a plasticizer or functional additive to influence the flexibility and properties of specialty polymers.
• Analytical Chemistry Standard: Utilized as a reference standard in chromatographic methods for chiral analysis.
• Research & Development: A critical reagent in academic and industrial R&D for exploring new chiral catalysts and asymmetric synthesis pathways.

Basic Information

Product Name	Mono-(1S)-(+)-Menthyl Phthalate
CAS No.	53623-42-0
Molecular Formula	C₁₉H₂₆O₄
Molecular Weight	318.41 g/mol
Synonyms	(1S,2R,5S)-2-Isopropyl-5-methylcyclohexyl hydrogen phthalate; (+)-Menthyl hydrogen phthalate; L-Menthyl hydrogen phthalate; (1S)-Menthyl hydrogen phthalate; Phthalic acid mono-((1S,2R,5S)-2-isopropyl-5-methylcyclohexyl) ester; MHP
EINECS	Contact for details

Quality Control

Our Mono-(1S)-(+)-Menthyl Phthalate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chiral purity assessment by HPLC, to ensure it meets exacting specifications for research and industrial use. A Certificate of Analysis (COA) detailing identity, purity, and chiral excess is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong alkalis and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (Enantiomeric Excess)	≥ 99.0% ee
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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