Acetoin 3-Hydroxy-2-Butanone Acetyl Methyl Carbinol CAS 513-86-0

• Customization: Available
• CAS No.: 513-86-0
• Formula: C4h8o2
• Model NO.: 99%
• Type: Synthesis Material Intermediates
• Appearance: Liquid
• Quality: Industrial
• Colour: Colorless
• Specification: ≥ 99%
• Trademark: JinYu
• Origin: China

Product Description

Product Description

Basic Information

• Product Name: 3-Hydroxy-2-butanone
• Chemical Formula: C4H8O2
• Molecular Weight: 88.10 g/mol
• Alternative Names:
  • Acetoin
  • 3-Hydroxybutan-2-one
  • Methyl acetonyl carbinol
• CAS Number: 513-86-0
• Appearance: Colorless to pale yellow liquid (at room temperature); may appear as crystals below its melting point.
• Odor: Characteristic buttery, creamy, or sweet aroma (similar to butter, cheese, or caramel), which is why it is widely used as a flavoring agent.
• Solubility: Highly soluble in water, ethanol, ether, and most organic solvents; miscible with polar liquids.

Physical and Chemical Properties
Physical Properties

• Boiling Point: 148-149 °C (at 760 mmHg)
• Melting Point: 15-16 °C
• Density (20 °C): 1.08 g/mL
• Viscosity: Moderate viscosity, slightly thicker than water.
• Flash Point: 58 °C (closed cup), flammable liquid.

Chemical Properties

• ** Keto-Enol Tautomerism **: Exhibits tautomerism between the keto form (C=O) and enol form (C=C-OH), which influences its reactivity.
• ** Hydroxyl Group Reactivity **: The hydroxyl (-OH) group can undergo esterification, etherification, and oxidation reactions. For example:
  • Oxidation with strong oxidants (e.g., chromic acid) can convert it to diacetyl (2,3-butanedione).
• ** Carbonyl Group Reactivity **: The ketone (C=O) group can participate in nucleophilic addition reactions, such as forming imines with amines or hydrazones with hydrazines.
• ** Thermal Decomposition **: Stable under normal conditions but may decompose at high temperatures, releasing irritating fumes.

Applications

1. ** Food and Flavor Industry **
   • ** Flavoring Agent **:
     • Adds a buttery, creamy, or cheesy flavor to processed foods (e.g., margarine, butter substitutes, baked goods, snacks, and sauces).
     • Used in beverages, dairy products, and confectionery to enhance taste and aroma.
   • ** Natural Flavor Source **: Recognized as Generally Recognized As Safe (GRAS) by the FDA, often produced via microbial fermentation for natural food applications.
2. ** Chemical Synthesis and Industrial Use **
   • ** Intermediate in Organic Synthesis **:
     • Used to synthesize pharmaceuticals, pesticides, and fine chemicals (e.g., as a precursor for chiral compounds in drug development).
     • Forms derivatives like esters, ethers, and oximes for various industrial applications.
   • ** Solvent and Plasticizer **: Can act as a mild solvent for resins, paints, and coatings; sometimes used as a plasticizer in polymer blends.
3. ** Biotechnology and Microbiology **
   • ** Metabolic Marker **: Produced by some bacteria (e.g., Lactobacillus) during fermentation, serving as an indicator of microbial activity in food and dairy products.
   • ** Biosynthesis Precursor **: Used in microbial fermentation processes for the production of other compounds (e.g., 2,3-butanediol).

Safety Considerations

• ** Toxicity **: Low toxicity; acute oral LD50 in rats: ~1,000-2,000 mg/kg. Generally considered safe for food use in regulated amounts.
• ** Irritation **: May cause mild skin and eye irritation upon direct contact; vapors may irritate the respiratory tract.
• ** Environmental Risks **: Low persistence in the environment; biodegradable under aerobic conditions.
• ** Handling**:
  • Use in well-ventilated areas to avoid inhaling vapors.
  • Wear gloves and safety glasses to prevent skin/eye contact.
• ** Storage**: Store in a cool, dry place, away from heat and oxidizing agents; keep containers sealed to prevent evaporation.

 

Product Parameters

 

Packaging & Shipping

Liquid products	Drum of 5kg ,10 kg ,25 kg ,50 kg 200 kg ,250 kg . 1000 kg IBC drum. TANK with 20 tons ,25 tons .
Solid products	Bag of 1 kg ,2 kg ,5 kg ,25 kg ,500kg ,1000 kg . Drum of 25 kg and 50 kg.

Packaging can be customized according to customer requirements.

Company Profile

Qingdao Jinyu Chemical Co., LTD,which is located in Qingdao City, China, with registered capital of RMB 10 million, is a dynamic chemical import and export enterprise with customer demand as its own responsibility. The founder has been engaged in the chemical industry for more than 20 years. With professional technical and marketing personnel, diversified cooperative factories with synthetic technology and efficient logistics management, we provide services to customers all over the world. After years of hard work, we have selected a number of excellent chemical production cooperative enterprises in China. These enterprises have their own advantages in different chemical synthesis fields. They have passed the strict inspection of suppliers by many customers and formed a long-term and stable strategic partnership with customers. With our partners' excellent equipment, well-trained employees and mature technology, we also continue to provide customers with more products.

Our Advantages