Description

(E)-3,7-Dimethyloct-4-En-3-Ol CAS NO 68892-25-1 is a high-purity, unsaturated tertiary alcohol with a distinctive woody, floral aroma profile. This compound is a key intermediate and fragrance ingredient valued for its stability and specific stereochemistry. It is primarily sought after by manufacturers in the flavor and fragrance industry, as well as by fine chemical producers for use in advanced organic synthesis.

Application

• Fragrance Ingredient: A key component in the formulation of fine perfumes, colognes, and personal care products, imparting woody, floral, and citrus-like notes.
• Flavor Enhancer: Used in the creation of complex flavor profiles for food and beverage applications, contributing to fruity and herbal nuances.
• Chemical Intermediate: Serves as a crucial chiral building block in the multi-step synthesis of more complex pharmaceutical compounds and agrochemicals.
• Aromatherapy & Home Care: Incorporated into essential oil blends, diffuser oils, and scented household products like candles and air fresheners.
• Cosmetic Formulations: Used in lotions, soaps, and other cosmetic products where a stable, long-lasting fragrance is required.
• Research & Development: Utilized in academic and industrial R&D laboratories for studying terpene chemistry and developing new synthetic methodologies.

Basic Information

Product Name	(E)-3,7-Dimethyloct-4-En-3-Ol
CAS No.	68892-25-1
Molecular Formula	C10H20O
Molecular Weight	156.27 g/mol
Synonyms	(E)-3,7-Dimethyl-4-octen-3-ol; (4E)-3,7-Dimethyloct-4-en-3-ol; 4-Octen-3-ol, 3,7-dimethyl-, (4E)-; (E)-3,7-Dimethyloct-4-en-3-ol; trans-3,7-Dimethyl-4-octen-3-ol; 3,7-Dimethyl-(E)-4-octen-3-ol; 3-Octen-3-ol, 3,7-dimethyl-, (3E)- (incorrect but common); Aroma chemical intermediate 68892-25-1
EINECS	Contact for details

Quality Control

Our (E)-3,7-Dimethyloct-4-En-3-Ol is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including GC and chiral HPLC analysis, to ensure high chemical purity, correct stereochemistry, and consistent organoleptic properties. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

Storage

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

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 97.0%
Isomeric Purity ((E)-isomer)	≥ 98.0%
Refractive Index (20°C)	1.450 - 1.460
Specific Gravity (20/20°C)	0.840 - 0.860

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