(3'S,6'S,9'S)-2',2',8',8'-tetramethylspiro[1,3-dioxolane-2,10'-octahydro-1H-2,4a-methanonapthalene]

(3'S,6'S,9'S)-2',2',8',8'-tetramethylspiro[1,3-dioxolane-2,10'-octahydro-1H-2,4a-methanonapthalene] is a complex organic compound with molecular formula C17H28O2 and CAS number 154171-77-4. This spirocyclic molecule features a dioxolane ring system connected to a modified naphthalene structure with multiple methyl substituents. With a molecular weight of 264.4 g/mol, it represents a specialized chemical intermediate used in various synthetic applications.

This compound is an organic molecule with molecular formula C17H28O2 and molecular weight 264.4 g/mol. Its complex spirocyclic structure contains both ether linkages (dioxolane ring) and saturated hydrocarbon components. The presence of multiple methyl groups and the rigid spiro framework likely contribute to its physical properties, though specific data on melting point, boiling point, and solubility characteristics would require experimental determination or detailed literature research.

This specialized organic compound is primarily used as a chemical intermediate in synthetic organic chemistry applications. Its unique spirocyclic structure makes it valuable for pharmaceutical research, fine chemical synthesis, and potentially as a building block for more complex molecular architectures. The specific stereochemistry indicated by the (3'S,6'S,9'S) designation suggests applications requiring precise three-dimensional molecular arrangements, commonly found in drug discovery and advanced materials research.

Handle this compound using standard laboratory safety practices including wearing appropriate personal protective equipment such as safety goggles, gloves, and lab coats. Work in well-ventilated areas or under fume hoods to minimize exposure. While no specific signal word is assigned, treat as a potentially hazardous chemical. Avoid direct contact with skin and eyes, prevent inhalation of vapors, and ensure proper training before handling. Always consult the safety data sheet for complete handling instructions.

Store this compound in a cool, dry place away from direct sunlight and heat sources. Keep containers tightly closed to prevent contamination and moisture absorption. Use appropriate chemical storage cabinets and ensure proper labeling with CAS number 154171-77-4. Store separately from incompatible materials and maintain inventory records. The dioxolane ring system may be sensitive to acidic conditions, so avoid storage near strong acids. Regular inspection of container integrity is recommended.

In case of skin contact, immediately remove contaminated clothing and wash affected area thoroughly with soap and water for at least 15 minutes. For eye contact, flush immediately with clean water for at least 15 minutes and seek medical attention. If inhaled, move to fresh air immediately. If ingested, do not induce vomiting and seek immediate medical attention. Always consult the material safety data sheet and contact emergency services if severe symptoms occur.

Dispose of this compound through licensed hazardous waste disposal services in accordance with local, national, and EU regulations. Do not discharge into sewers, waterways, or soil due to its Aquatic Chronic 2 classification indicating potential long-term aquatic toxicity. Containers should be triple-rinsed and disposed of as hazardous waste. Maintain disposal records and ensure compliance with REACH and waste framework directive requirements. Contact certified waste management companies for proper collection and treatment.

This compound is classified as ADR Class 9 (Miscellaneous dangerous goods), Packing Group III, indicating it poses a relatively low transport hazard. Use appropriate UN-specification packaging and ensure proper labeling with hazard markings. Transport documents must include the correct shipping name, class, and packing group information. Vehicles must carry appropriate emergency response information and drivers require ADR certification. Follow temperature control requirements if specified and avoid prolonged transport delays.

This compound is subject to standard EU chemical regulations including REACH and CLP classifications. It carries Aquatic Chronic 2 hazard classification with GHS09 environmental pictogram, requiring appropriate labeling and safety data sheet provision. It is not currently listed as a Substance of Very High Concern (SVHC). Importers and users must comply with REACH registration requirements if handling quantities above specified thresholds. Standard workplace exposure and environmental protection regulations apply.

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