Description

7,11,11-Trimethyl-2,4-Dioxaspiro[5.5]Undec-8-Ene is a specialized spirocyclic acetal compound with a unique molecular architecture. This high-value intermediate is prized for its role in synthesizing complex fragrance molecules and advanced pharmaceutical scaffolds. It is primarily sought by R&D and production teams in the fine chemical, fragrance, and flavor industries for creating novel compounds with specific olfactory or biological properties.

Application

• Fragrance & Flavor Intermediate: A key building block for the synthesis of sophisticated musk and woody amber fragrance compounds.
• Pharmaceutical Synthesis: Serves as a versatile spirocyclic scaffold or chiral synthon in the research and development of new active pharmaceutical ingredients (APIs).
• Organic Synthesis Research: Used in academic and industrial laboratories to explore novel cyclization reactions and develop new synthetic methodologies.
• Fine Chemical Production: Employed as a precursor for manufacturing other high-purity, specialty chemicals with complex ring structures.
• Agrochemical Intermediates: Potential use in the synthesis of novel compounds for crop protection research.

Basic Information

Product Name	7,11,11-Trimethyl-2,4-Dioxaspiro[5.5]Undec-8-Ene
CAS No.	69745-74-0
Molecular Formula	C12H18O2
Molecular Weight	194.27 g/mol
Synonyms	7,11,11-Trimethyl-2,4-dioxaspiro[5.5]undec-8-ene; 2,4-Dioxaspiro[5.5]undec-8-ene, 7,11,11-trimethyl-; Spiro[1,3-dioxolane-2,5'-bicyclo[4.3.0]non-8-ene], 4,4,8-trimethyl-; 4,4,8-Trimethylspiro[1,3-dioxolane-2,5'-bicyclo[4.3.0]non-8-ene]; Ambretone key intermediate; Musk intermediate 69745-74-0
EINECS	Contact for details

Quality Control

Every batch of 7,11,11-Trimethyl-2,4-Dioxaspiro[5.5]Undec-8-Ene is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure the compound meets the precise requirements for advanced synthesis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profile is supplied with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place at room temperature (15-25°C). Due to its highly volatile nature, ensure containers are securely sealed when not in use and stored away from heat and ignition sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Refractive Index	1.470 - 1.480
Specific Gravity	0.980 - 1.020

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