1-methyl-4-prop-1-en-2-ylcyclohexene

1-methyl-4-prop-1-en-2-ylcyclohexene is a cyclic monoterpene hydrocarbon with the molecular formula C10H16 and CAS number 138-86-3. This organic compound features a cyclohexene ring structure with methyl and propenyl substituents. With a molecular weight of 136.23 g/mol, it belongs to the terpene family and is commonly found in essential oils and natural products, particularly those derived from citrus and coniferous plants.

1-methyl-4-prop-1-en-2-ylcyclohexene is typically a colorless to pale yellow liquid at room temperature with a characteristic fresh, citrusy odor. As a hydrocarbon terpene, it has low water solubility but is readily soluble in organic solvents such as ethanol, acetone, and hydrocarbons. The compound has a density lower than water and exhibits volatile properties due to its terpene nature, contributing to its distinctive aroma profile.

1-methyl-4-prop-1-en-2-ylcyclohexene is primarily used in the fragrance and flavor industry as an aromatic compound. It serves as an intermediate in organic synthesis for producing various terpene derivatives and essential oil components. The compound finds applications in cosmetics, perfumes, and food flavoring formulations. Additionally, it may be used as a starting material for chemical modifications to create specialized fragrances or as a solvent in specific industrial processes.

1-methyl-4-prop-1-en-2-ylcyclohexene requires careful handling due to its flammable nature and potential for skin irritation and sensitization. Always wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Ensure adequate ventilation to prevent vapor accumulation and avoid direct skin contact. Keep away from ignition sources, heat, and sparks. Use grounded equipment when transferring the substance and have fire extinguishing equipment readily available.

1-methyl-4-prop-1-en-2-ylcyclohexene should be stored in a cool, dry, well-ventilated area away from heat sources, sparks, and open flames. Use tightly sealed containers made of compatible materials and keep away from oxidizing agents. Storage areas must comply with flammable liquid regulations and be equipped with appropriate fire suppression systems. Maintain storage temperature below 25°C when possible and ensure containers are properly labeled with hazard information.

In case of skin contact with 1-methyl-4-prop-1-en-2-ylcyclohexene, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. For eye contact, rinse immediately with clean water for 15 minutes and seek medical attention. If inhaled, move to fresh air and seek medical advice if respiratory irritation occurs. In case of ingestion, do not induce vomiting and seek immediate medical attention.

1-methyl-4-prop-1-en-2-ylcyclohexene must be disposed of according to local and national hazardous waste regulations. The substance should not be discharged into sewers, water bodies, or soil due to its aquatic toxicity classification. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Small quantities may be incinerated at approved facilities with adequate emission controls. Always consult local environmental authorities for specific disposal requirements and approved waste management facilities.

1-methyl-4-prop-1-en-2-ylcyclohexene is classified as ADR Class 3 (flammable liquid), Packing Group III for transportation purposes. It must be packaged in UN-approved containers with appropriate labeling including flammable liquid placards. Vehicles must comply with ADR regulations for flammable substances, including proper ventilation and fire safety equipment. Transportation documents must include the proper shipping name, hazard class, and emergency response information. Only trained and certified drivers should handle the transport.

1-methyl-4-prop-1-en-2-ylcyclohexene is subject to REACH regulation requiring registration for manufacturing or importing quantities above one tonne per year. Under CLP regulation, it must be classified and labeled according to its hazard properties including flammability, skin irritation, sensitization, and aquatic toxicity. The substance is not currently listed as an SVHC (Substance of Very High Concern). Companies must comply with occupational safety regulations and environmental protection requirements when handling this chemical.

1-methyl-4-prop-1-en-2-ylcyclohexene is available through OYSI, a trusted European distributor of specialty chemicals and industrial raw materials. OYSI provides reliable supply chains across Europe with proper documentation, safety data sheets, and regulatory compliance support. As an established chemical distributor, OYSI ensures quality products meeting European standards and can assist with technical support, logistics, and regulatory requirements for your specific applications and volume needs.