Description

5-Methylbicyclo[2.2.1]hept-2-ene is a specialized bicyclic olefin monomer with a unique strained ring structure. This compound matters as a high-value chemical intermediate, prized for its reactivity in ring-opening and addition polymerizations, enabling the synthesis of novel polymers and fine chemicals. It is primarily needed by R&D chemists and process engineers in the advanced materials, specialty polymer, and pharmaceutical intermediates sectors.

Application

• Specialty Polymer Synthesis: Serves as a key monomer for creating novel polymers with unique thermal and mechanical properties via ring-opening metathesis polymerization (ROMP).
• Pharmaceutical Intermediates: Used in the synthesis of complex, stereochemically defined molecular scaffolds for active pharmaceutical ingredients (APIs).
• Fine Chemical Production: Acts as a building block in Diels-Alder and other cycloaddition reactions to construct complex polycyclic structures.
• Advanced Material Research: Employed in developing new resins, coatings, and elastomers with tailored performance characteristics.
• Catalysis & Ligand Development: Utilized as a precursor for synthesizing novel ligands and organometallic catalysts.
• Fragrance & Flavor Chemistry: Can be used to create unique terpene-like odorants and flavor molecules.

Basic Information

Product Name	5-Methylbicyclo[2.2.1]hept-2-ene
CAS No.	822-96-8
Molecular Formula	C8H12
Molecular Weight	108.18 g/mol
Synonyms	5-Methyl-2-norbornene; 2-Norbornene, 5-methyl-; 5-Methylnorbornene; 5-Methylbicyclo[2.2.1]hept-2-ene; NSC 163045; 5-Methyl-2,3-dihydro-1H-indene (incorrect but sometimes used); 5-Methylnorcamphene; 5-Methyl-2-norbornylene
EINECS	212-524-2

Quality Control

Our 5-Methylbicyclo[2.2.1]hept-2-ene is produced and handled under strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC, GC-MS, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We adhere to cGMP principles where applicable to support our clients in regulated research and development.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile and easily oxidized nature, this material should be stored under an inert atmosphere (e.g., nitrogen or argon) at recommended temperatures between 2°C and 8°C. Store away from heat, sparks, and open flame. Keep the container tightly sealed in a cool, dry, and well-ventilated place, separate from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Specific Gravity (20°C)	0.85 - 0.87
Refractive Index (n20D)	1.465 - 1.475

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