Description

(Z)-3,7,11-Trimethyl-2,10-Dodecadien-1-Ol CAS NO 20576-57-2 is a high-purity, unsaturated acyclic sesquiterpene alcohol with a distinctive woody, floral, and slightly citrus-like aroma. This compound is a key intermediate and fragrance ingredient prized for its role in creating complex, long-lasting scent profiles. It is essential for manufacturers in the flavors and fragrances (F&F) industry, as well as for researchers developing novel aroma chemicals and bioactive compounds.

Application

• Fragrance Formulation: A versatile building block for woody, amber, and floral fragrance accords in perfumes, fine fragrances, and personal care products.
• Flavor Enhancement: Used as a flavoring agent to impart subtle citrus and woody notes in food and beverage applications.
• Aroma Chemical Synthesis: Serves as a critical chiral intermediate in the synthesis of more complex fragrance molecules and pheromones.
• Cosmetic Ingredients: Incorporated into lotions, soaps, and other cosmetic formulations for its aromatic properties.
• Household Products: Used in air fresheners, detergents, and fabric softeners to provide a pleasant and persistent scent.
• Research & Development: A valuable standard and starting material for organic synthesis and biochemical studies in academic and industrial R&D labs.

Basic Information

Product Name	(Z)-3,7,11-Trimethyl-2,10-Dodecadien-1-Ol
CAS No.	20576-57-2
Molecular Formula	C₁₅H₂₆O
Molecular Weight	222.37 g/mol
Synonyms	Farnesol (Z,Z)-isomer; (2Z,6Z)-Farnesol; (Z,Z)-Farnesol; 2,6,10-Trimethyl-2,6,10-dodecatrien-12-ol (Z,Z)-; all-trans-Farnesol (isomer); (2Z,6Z)-3,7,11-Trimethyl-2,6,10-dodecatrien-1-ol; Nerolidol isomer; trans,trans-Farnesol (specific isomer)
EINECS	243-896-9

Quality Control

Our (Z)-3,7,11-Trimethyl-2,10-Dodecadien-1-Ol is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high chemical purity and isomeric consistency. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are provided with every shipment to guarantee reliable performance in your formulations.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place at 2-8°C (refrigerated) or as specified on the label. Due to its highly volatile nature, keep containers tightly sealed when not in use to prevent evaporation and concentration changes. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 95.0%
Isomeric Purity (Z,Z)	≥ 90.0%
Refractive Index (20°C)	1.487 - 1.497
Specific Gravity (20/20°C)	0.885 - 0.900
Water Content (KF)	≤ 0.5%

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