Description

Acetoin is a high-purity organic compound, also known as 3-hydroxybutanone, valued for its characteristic buttery, creamy aroma and flavor. This versatile chemical intermediate is essential for creating authentic dairy notes and enhancing sensory profiles in a wide range of products. It is a critical ingredient for manufacturers in the food and flavoring, fragrance, and pharmaceutical industries seeking reliable quality and consistent supply.

Application

• Flavor and Fragrance (F&F) Industry: A key component in the synthesis of butter, cream, yogurt, and cheese flavorings for baked goods, snacks, and dairy alternatives.
• Food Additive: Used as a natural flavoring agent to impart or enhance creamy, buttery notes in processed foods, confectionery, and beverages.
• Aroma Chemical: Serves as a building block in perfumery for creating sweet, fatty, or milky nuances in fine fragrances and cosmetic products.
• Pharmaceutical Intermediates: Employed in the synthesis of various active pharmaceutical ingredients (APIs) and fine chemicals.
• Chemical Synthesis: Acts as a precursor in organic synthesis for producing compounds like diacetyl, vitamins, and other chiral molecules.
• Microbiological Applications: Used in microbial identification and as a metabolite in certain fermentation processes.

Basic Information

Product Name	Acetoin
CAS No.	51555-24-9
Molecular Formula	C4H8O2
Molecular Weight	88.11 g/mol
Synonyms	3-Hydroxybutanone; Acetyl methyl carbinol; Dimethylketol; γ-Hydroxy-β-oxobutane; 2,3-Butanolone; 3-Hydroxy-2-butanone; Butan-3-ol-2-one; 2-Butan-3-ol; (R/S)-Acetoin; (±)-Acetoin
EINECS	257-534-6

Quality Control

Our Acetoin is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. We offer grades suitable for food, fragrance, and industrial applications, with specifications that can meet FCC (Food Chemicals Codex) and other relevant standards. Every batch is supported by a comprehensive Certificate of Analysis (COA), available upon request, detailing purity, identity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Specific Gravity (20°C)	1.005 - 1.015
Refractive Index (20°C)	1.417 - 1.421
Water Content (KF)	≤ 0.5%

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