Description

2-(4,8-Dimethylnona-3,7-Dienyl)-4-Methyl-1,3-Dioxolane is a specialized fragrance intermediate and chemical building block, known for its unique woody, ambery, and floral olfactory characteristics. This compound is valued for its ability to impart complex, long-lasting scent profiles and enhance the stability of fragrance compositions. It is primarily sought after by manufacturers in the flavor and fragrance (F&F) industry, as well as by research and development chemists creating novel aroma chemicals and fine chemical syntheses.

Application

• Fragrance Formulation: A key intermediate and base note in the creation of high-end perfumes, colognes, and personal care products, contributing to woody, amber, and floral accords.
• Flavor Enhancement: Used in trace amounts to add complexity and depth to certain flavor profiles in premium food and beverage applications.
• Aroma Chemical Synthesis: Serves as a crucial precursor in the multi-step synthesis of more complex fragrance molecules and specialty aroma chemicals.
• Fine Chemical Manufacturing: Employed as a building block in organic synthesis for pharmaceuticals, agrochemicals, and other specialty chemical products requiring its specific dioxolane-protected diene structure.
• Functional Fluids & Additives: Potential use in the formulation of specialty lubricants, plasticizers, or polymer additives where its chemical structure offers specific performance benefits.

Basic Information

Product Name	2-(4,8-Dimethylnona-3,7-Dienyl)-4-Methyl-1,3-Dioxolane
CAS No.	93882-05-4
Molecular Formula	C₁₆H₂₈O₂
Molecular Weight	252.39 g/mol
Synonyms	4-Methyl-2-(4,8-dimethylnona-3,7-dien-1-yl)-1,3-dioxolane; (E)-2-(4,8-Dimethyl-3,7-nonadienyl)-4-methyl-1,3-dioxolane; Rosyrane; Rosyrane Extra; 1,3-Dioxolane, 2-(4,8-dimethyl-3,7-nonadienyl)-4-methyl-; Fragrance intermediate for Rosyrane; Dihydro Rosyrane precursor; Woody Amber Fragrance Chemical.
EINECS	Contact for details

Quality Control

Our 2-(4,8-Dimethylnona-3,7-Dienyl)-4-Methyl-1,3-Dioxolane is produced under strict quality management systems to ensure batch-to-batch consistency and purity required for sensitive fragrance applications. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment, ensuring full traceability and compliance with relevant industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider an inert atmosphere to preserve optimal quality.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 95.0%
Refractive Index (20°C)	1.465 - 1.475
Specific Gravity (20/20°C)	0.910 - 0.930
Related Substances (GC)	Individual impurity ≤ 2.0%; Total impurities ≤ 5.0%

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