Description

4-Methyl-5-decanone is a high-purity, branched-chain aliphatic ketone with the CAS number 90207-25-3. This compound serves as a valuable intermediate and functional ingredient, prized for its specific chemical structure and highly volatile nature. It is primarily sought after by manufacturers in the fragrance, flavor, and specialty chemical synthesis industries for creating unique organoleptic profiles and complex molecules.

Application

• Fragrance & Flavor Industry: Used as a key intermediate or building block in the synthesis of complex aroma chemicals, contributing to fruity, waxy, or green olfactory notes.
• Organic Synthesis: Serves as a versatile precursor for pharmaceuticals, agrochemicals, and liquid crystal materials due to its reactive ketone group and branched alkyl chain.
• Solvent & Extraction Agent: Employed as a specialty solvent for high-value applications where its specific volatility and solvency power are advantageous.
• Research & Development: Utilized in chemical R&D for studying reaction mechanisms and developing new synthetic methodologies involving ketone chemistry.
• Polymer Additives: Acts as a starting material for producing plasticizers, stabilizers, or other polymer modifiers.

Basic Information

Product Name	4-Methyl-5-decanone
CAS No.	90207-25-3
Molecular Formula	C₁₁H₂₂O
Molecular Weight	170.29 g/mol
Synonyms	5-Decanone, 4-methyl-; 4-Methyl-5-decanone; 4-Methyl-decan-5-one; 5-Methyl-6-undecanone (isomer); Butyl isoamyl ketone; Isoamyl butyl ketone; 2-Butyl-5-methyl-3-hexanone
EINECS	Contact for details

Quality Control

Our 4-Methyl-5-decanone is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including GC, IR, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are provided with every shipment to guarantee compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and open flames. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain product integrity. Recommended storage temperature is 2-25°C.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.425 - 1.435
Specific Gravity (20°C)	0.815 - 0.825

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