Description

(2E)-3,7-Dimethylocta-2,6-Dienal CAS NO 96680-15-8 is a high-purity, unsaturated aliphatic aldehyde, specifically the (2E)-isomer of citral. This compound is a key intermediate and building block in the synthesis of a wide range of fine chemicals, including vitamins, flavors, and fragrances. It is essential for manufacturers in the pharmaceutical, flavor & fragrance, and agrochemical industries who require consistent, high-quality raw materials for complex synthesis.

Application

• Flavor and Fragrance (F&F) Industry: A crucial intermediate in the synthesis of key aroma chemicals like ionones and methylionones, which are foundational for perfumes and flavorings.
• Pharmaceutical Synthesis: Serves as a vital building block in the production of vitamins, particularly Vitamin A and its derivatives (e.g., Retinol).
• Agrochemical Manufacturing: Used as a precursor in the synthesis of certain pesticides and plant growth regulators.
• Fine Chemical Production: Employed in organic synthesis for creating complex molecules used in research and specialty applications.
• Cosmetic Ingredients: Acts as a starting material for synthesizing UV filters and other active cosmetic ingredients.

Basic Information

Product Name	(2E)-3,7-Dimethylocta-2,6-Dienal
CAS No.	96680-15-8
Molecular Formula	C10H16O
Molecular Weight	152.23 g/mol
Synonyms	trans-Citral; (E)-Citral; Geranial; (E)-3,7-Dimethyl-2,6-octadienal; 2,6-Octadienal, 3,7-dimethyl-, (2E)-; Lemonal; Citral a; EINECS 306-010-1
EINECS	306-010-1

Quality Control

Our (2E)-3,7-Dimethylocta-2,6-Dienal is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC and HPLC analysis, to ensure high chemical purity and isomeric consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment to guarantee compliance with your specifications.

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). This material is easily oxidized (store under inert atmosphere) and is light-sensitive. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Isomeric Purity ((2E)-Isomer)	≥ 90.0%
Refractive Index (20°C)	1.485 - 1.495
Specific Gravity (20/20°C)	0.885 - 0.895

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