Description

Pentamethylene is a versatile, high-purity cyclic hydrocarbon building block, essential for advanced organic synthesis and material science. Its unique structure makes it a valuable precursor for creating complex molecules and specialty polymers. This compound is particularly critical for research and development laboratories, pharmaceutical intermediates, and the production of high-performance synthetic lubricants and fragrances.

Application

• Pharmaceutical Intermediates: Serves as a key synthon in the synthesis of active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Polymer & Material Science: Used as a monomer or cross-linking agent in the production of specialty polymers, resins, and advanced materials with tailored properties.
• Organic Synthesis & Research: A fundamental building block in academic and industrial R&D for constructing novel molecular architectures and conducting mechanistic studies.
• Flavor & Fragrance Industry: Acts as a precursor for the synthesis of specific musks and other aroma chemicals.
• Lubricant Additives: Employed in the formulation of high-performance synthetic lubricants and functional additives.
• Chemical Derivatization: Used to modify surfaces or other molecules to impart specific chemical functionalities.

Basic Information

Product Name	Pentamethylene
CAS No.	4988-34-5
Molecular Formula	C5H10
Molecular Weight	70.13 g/mol
Synonyms	Cyclopentane; Pentamethylene; Cyclopentan; UN 1146; Cyclopentane, pure; Cyclopentane, 99+%; Cyclopentane, anhydrous, 99+%; Cyclopentane, HPLC Grade
EINECS	207-636-8

Quality Control

Our Pentamethylene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flames. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain purity. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Clear, colorless liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Water Content (KF)	≤ 0.1%
Non-volatile Residue	≤ 0.01%
Refractive Index (n20D)	1.4060 - 1.4080
Density (20°C)	0.745 - 0.751 g/mL

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