4-Methyl Octanoic acid, CAS No. 54947-74-9

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54947-74-9

Catalog No. EBD3313731

CAS 54947-74-9

Name 4-Methyl Octanoic acid

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Basic Information

Synonyms: 4-MethylOctanoicacid Octanoicacid,4-methyl- 4-Methylcaprylicacid FEMANo.3575 (4R)-4-methyloctanoate

Molecular Formula: C9H18O2

Molecular Weight: 158.24

Categories: Functional Chemicals > Consumer & Industrial Chemicals > Fragrances and Flavors Synthetic Chemistry > Organic Building Blocks > Carboxylic Acids and Esters

Product Description:

4-Methyloctanoic acid is a branched-chain fatty acid. It is a colorless to pale yellow liquid with a characteristic odor. Structurally, it features a carboxylic acid group attached to a carbon chain with a methyl branch at the 4-position. This compound is primarily known and used as a flavor and fragrance ingredient. Its odor profile is often described as waxy, fatty, or cheesy, and it is employed in the creation of dairy, meat, and fruity flavor compositions for food products, as well as in perfumery to impart specific nuances. It serves as a key synthetic intermediate for the production of other flavor and fragrance molecules, such as esters. As a carboxylic acid, it also functions as a versatile organic synthesis building block, particularly for the preparation of esters, amides, and other derivatives through standard condensation reactions.

Physical Properties

Boiling Point: 149 °C/22 mmHg(lit.)

Flash Point: 113 °C

Density: 0.91 g/mL at 25 °C(lit.)

Refractivity: n20/D 1.433(lit.)

Storage: −20°C

Safety Information

Packing Level: III

Hazard Category: 8

Transport Codes: 3265

Analytical Data

Appearance: COA