Description

4-Methyl-2-(2-Methyl-1-Propenyl)Tetrahydropyran (cis- And trans- Mixture) is a specialized organic compound belonging to the tetrahydropyran class, characterized by its unique structural isomerism. This chemical matters as a versatile intermediate and a key building block in the synthesis of complex molecules, offering valuable reactivity for creating specific stereochemical outcomes. It is primarily needed by research and development chemists in the fragrance, flavor, and pharmaceutical industries, where it serves as a precursor for fine chemicals and active ingredients.

Application

• Fragrance and Flavor Intermediate: Acts as a key precursor in the synthesis of complex aroma chemicals and flavoring agents, contributing to woody, amber, or herbal scent profiles.
• Pharmaceutical Synthesis: Serves as a crucial chiral building block or intermediate in the research and development of active pharmaceutical ingredients (APIs).
• Agrochemical Research: Utilized in the development of novel pesticides and herbicides, leveraging its structural complexity for targeted biological activity.
• Organic Synthesis Reagent: Employed in academic and industrial laboratories for constructing heterocyclic compounds and exploring new synthetic methodologies.
• Fine Chemical Production: Used in the manufacture of specialty chemicals where specific stereochemistry and functional groups are required.

Basic Information

Product Name	4-Methyl-2-(2-Methyl-1-Propenyl)Tetrahydropyran (cis- And trans- Mixture)
CAS No.	16409-43-1
Molecular Formula	C10H18O
Molecular Weight	154.25 g/mol
Synonyms	2-(2-Methyl-1-propenyl)-4-methyltetrahydropyran; 4-Methyl-2-(2-methylpropen-1-yl)tetrahydropyran; Rose Oxide Pyran Isomer (impurity/related); Dihydropyran, 4-methyl-2-(2-methyl-1-propenyl)-; Tetrahydro-4-methyl-2-(2-methyl-1-propenyl)-2H-pyran; 2H-Pyran, tetrahydro-4-methyl-2-(2-methyl-1-propenyl)-; FEMA 3236 (related to Rose Oxide); 2-Isopropenyl-4-methyltetrahydropyran (isomeric form)
EINECS	240-457-8

Quality Control

Our 4-Methyl-2-(2-Methyl-1-Propenyl)Tetrahydropyran is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including GC and GC-MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and open flame. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain product integrity. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 95.0% (cis- and trans- isomers combined)
Isomer Ratio (cis/trans)	Specified upon request
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.450 - 1.460
Specific Gravity (20/20°C)	0.880 - 0.900

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