Description

1,2-Dimethyl-3-isopropenylcyclopentane is a specialized alicyclic hydrocarbon featuring a cyclopentane ring substituted with methyl and isopropenyl groups. This unique structure makes it a valuable intermediate and building block in advanced organic synthesis, particularly for creating complex fragrance molecules and fine chemicals. It is primarily sought by R&D chemists and manufacturers in the fragrance, flavor, and pharmaceutical industries for its ability to impart specific olfactory characteristics and serve as a precursor in stereoselective reactions.

Application

• Fragrance & Flavor Intermediate: A key building block for synthesizing novel musk compounds, woody, and amber notes in perfumery.
• Fine Chemical Synthesis: Used as a chiral intermediate or starting material in the production of complex pharmaceutical agents and agrochemicals.
• Organic Research & Development: Serves as a model compound in studies of cyclopentane chemistry, hydrogenation reactions, and polymerization kinetics.
• Polymer Modification: The isopropenyl group can be utilized for grafting or cross-linking in the development of specialty polymers and resins.
• Specialty Solvents & Additives: Potential use as a high-boiling point solvent or additive in formulations requiring specific hydrocarbon properties.

Basic Information

Product Name	1,2-Dimethyl-3-isopropenylcyclopentane
CAS No.	6983-03-5
Molecular Formula	C10H18
Molecular Weight	138.25 g/mol
Synonyms	3-Isopropenyl-1,2-dimethylcyclopentane; 1,2-Dimethyl-3-(1-methylethenyl)cyclopentane; NSC 146718; Cyclopentane, 1,2-dimethyl-3-(1-methylethenyl)-; 1,2-Dimethyl-3-vinylidenecyclopentane (tautomer)
EINECS	Contact for details

Quality Control

Our 1,2-Dimethyl-3-isopropenylcyclopentane is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including GC, GC-MS, and NMR, to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for every shipment, detailing all critical specifications. Our quality commitment ensures the material meets the high standards required for research and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Recommended storage temperature is 2-25°C. The compound should be kept under an inert atmosphere for long-term storage to maintain stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	0.80 - 0.85
Refractive Index (20°C)	1.440 - 1.460

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