Description

4-Methyl-5-Nonanone is a high-purity, volatile ketone compound with the CAS registry number 35900-26-6. This specialty chemical serves as a valuable intermediate and flavor/fragrance ingredient, prized for its unique organoleptic properties and reactivity. It is essential for manufacturers in the flavor & fragrance, pharmaceutical, and fine chemical synthesis industries seeking reliable, high-quality building blocks.

Application

• Flavor and Fragrance Ingredient: Used as a key component in creating complex, fruity, or waxy olfactory notes for perfumes, cosmetics, and food flavorings.
• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of more complex active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Organic Synthesis: Acts as a versatile intermediate for producing other ketones, alcohols, and heterocyclic compounds through various chemical reactions like reduction or condensation.
• Research & Development: Utilized in chemical research for method development and as a reference standard in analytical laboratories.
• Specialty Solvent: Employed in specific formulations and processes within the coatings and agrochemical industries due to its solvency properties.

Basic Information

Product Name	4-Methyl-5-Nonanone
CAS No.	35900-26-6
Molecular Formula	C₁₀H₂₀O
Molecular Weight	156.27 g/mol
Synonyms	5-Nonanone, 4-methyl-; 4-Methylnonan-5-one; Isobutyl propyl ketone; 2-Propyl-5-methyl-3-hexanone; FEMA 3764; 4-Methyl-5-nonanone (mixed isomers); Amyl propyl ketone (related)
EINECS	Contact for details

Quality Control

Our 4-Methyl-5-Nonanone is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including GC and IR analysis, to ensure it meets high-purity standards suitable for flavor, fragrance, and synthesis applications. A Certificate of Analysis (COA) detailing purity, identity, and specific impurity profiles is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, keep containers tightly sealed when not in use. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.420 - 1.425
Specific Gravity (20/20°C)	0.815 - 0.825
Water Content (KF)	≤ 0.2%

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