Description

(E)-3,6-Dimethyl-Hepta-2,5-Dienal CAS NO 96839-90-6 is a high-purity, unsaturated aliphatic aldehyde characterized by its distinct, powerful green and waxy odor profile. This compound is a valuable and versatile intermediate in the synthesis of complex fragrance and flavor molecules, prized for its ability to impart fresh, natural nuances. It is primarily utilized by research and development chemists and large-scale manufacturers in the flavor & fragrance, pharmaceutical intermediates, and fine chemical sectors.

Application

• Fragrance & Perfumery: A key building block for creating sophisticated aroma chemicals with green, citrus, and waxy notes, used in fine fragrances, personal care products, and household cleaners.
• Flavor Industry: Serves as a precursor in the synthesis of flavoring agents that replicate fresh, fruity, and vegetable-like taste profiles for food and beverage applications.
• Organic Synthesis: An important intermediate in Diels-Alder reactions and other cycloaddition processes for constructing complex organic molecules in research and development.
• Pharmaceutical Intermediates: Used in the multi-step synthesis of active pharmaceutical ingredients (APIs) and other bioactive compounds due to its reactive aldehyde functionality.
• Agrochemical Research: Employed as a starting material or intermediate in the development of novel pesticides, herbicides, and plant growth regulators.
• Chemical Research: A valuable reagent for academic and industrial research in synthetic organic chemistry, catalysis, and material science.

Basic Information

Product Name	(E)-3,6-Dimethyl-Hepta-2,5-Dienal
CAS No.	96839-90-6
Molecular Formula	C9H14O
Molecular Weight	138.21 g/mol
Synonyms	(E)-3,6-Dimethyl-2,5-heptadienal; 3,6-Dimethyl-2,5-heptadienal; (E)-3,6-Dimethylhepta-2,5-dienal; 2,5-Heptadienal, 3,6-dimethyl-, (E)-; trans-3,6-Dimethyl-2,5-heptadienal; (2E,5E)-3,6-Dimethylhepta-2,5-dienal; Flavor and Fragrance Aldehyde FEMA 4090; Leaf Aldehyde (isomer)
EINECS	Contact for details

Quality Control

Our (E)-3,6-Dimethyl-Hepta-2,5-Dienal is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent organoleptic properties critical for flavor and fragrance applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen) for long-term stability. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Isomeric Purity ((E)-isomer)	≥ 98.0%
Refractive Index (20°C)	1.470 - 1.480
Specific Gravity (20/20°C)	0.860 - 0.880

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