Description

Tetrahydropyran CAS NO 142-68-7 is a versatile, saturated six-membered cyclic ether, also known as oxane. This compound serves as a crucial building block and polar aprotic solvent in advanced organic synthesis, valued for its stability and reactivity. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking high-purity intermediates for complex molecule construction.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for constructing heterocyclic scaffolds.
• Solvent for Specialized Reactions: Used as a polar aprotic solvent in Grignard reactions, lithiations, and other organometallic chemistry requiring moisture-sensitive conditions.
• Agrochemical Synthesis: Employed in the production of herbicides, fungicides, and other crop protection agents.
• Polymer Chemistry: Acts as a monomer or modifying agent in the synthesis of specialty polymers and resins.
• Chemical Research & Development: A valuable reagent for method development and exploring new synthetic pathways in academic and industrial R&D labs.
• Flavor and Fragrance Industry: Used in the synthesis of certain aroma chemicals and flavoring agents.

Basic Information

Product Name	Tetrahydropyran
CAS No.	142-68-7
Molecular Formula	C5H10O
Molecular Weight	86.13 g/mol
Synonyms	Oxane; Pentamethylene oxide; 1,5-Epoxypentane; Tetrahydropyran-2-yl; THP; Tetrahydro-2H-pyran; 2H-Pyran, tetrahydro-; Tetrahydropyranyl
EINECS	205-552-1

Quality Control

Our Tetrahydropyran is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including gas chromatography (GC) for purity and identity confirmation, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing all test results are provided with every shipment to guarantee traceability and consistency for our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, keep containers tightly sealed when not in use. Recommended storage temperature is 2-25°C.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20/D)	1.419 - 1.421
Density (20°C)	0.880 - 0.884 g/mL
Boiling Point	86 - 88°C

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