Dimethylketone (Alpha Isomethyl Ionone or acetone), is a colorless, volatile liquid that serves as a solvent and chemical intermediate in various industrial and cosmetic applications. It is widely recognized for its excellent solvency properties, making it effective in dissolving a wide range of substances, including oils, resins, and polymers. In cosmetic formulations, Dimethylketone is often used as a solvent, stabilizer, and carrier for active ingredients, enhancing the overall texture and performance of products.

Chemical Composition and Structure

Dimethylketone consists of:

• Chemical Formula: C₃H₆O, indicating the presence of three carbon atoms, six hydrogen atoms, and one oxygen atom.
• Carbonyl Group: A functional group characterized by a carbon atom double-bonded to an oxygen atom (C=O), which plays a key role in its chemical reactivity.

The simple structure of Dimethylketone allows it to interact effectively with various ingredients in formulations, providing solubility and stability.

Physical Properties

• Appearance: Typically a clear, colorless liquid.

• Solubility: Highly soluble in water and a wide range of organic solvents.

• pH: Generally neutral, compatible with various cosmetic formulations.

• Odor: Characteristic sweet, pungent odor.

• Stability: Stable under normal storage conditions; flammable and should be kept away from heat sources.

Production Process

1. Synthesis: Dimethylketone is produced through several methods, including the dehydrogenation of isopropanol or as a by-product in the production of certain hydrocarbons.

2. Purification: The product is purified to remove any impurities or by-products, ensuring a high-quality ingredient.

3. Formulation: Purified Dimethylketone is then incorporated into various cosmetic products to enhance their solvent and stabilizing properties.

Applications

• Medical: Occasionally used in topical formulations for its solvent properties and ability to enhance the delivery of active ingredients.

• Cosmetics: Commonly found in nail polish removers, cleansers, and other beauty products for its effectiveness in dissolving oils and residues. It helps improve product texture and overall user experience.

• Industrial Uses: Widely employed in the production of plastics, fibers, and pharmaceuticals, as well as in paint thinners and varnishes.

It is a product that can give allergies.

Other uses

Used as a cold-resistant plasticiser, fixative for gas chromatography, main plasticiser in plastics.

Environmental and Safety Considerations

Dimethylketone is generally regarded as safe for use in cosmetics when applied according to recommended guidelines. However, it is flammable and should be handled with care. Responsible sourcing and formulation practices are essential to ensure that the ingredient is free from harmful contaminants and produced sustainably.

More information:

"Alpha-Isomethyl Ionone, studies"

Typical commercial product characteristics Alpha-Isomethyl Ionone

Appearance	Colorless or Yellow liquid
Boiling Point	285.3±29.0°C at 760 mmHg
Flash Point	122.1±17.5°C
Density	0.9±0.1 g/cm3
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refraction Index	1.508
Specific Gravity	0.925
PSA	17.07000
LogP	4.41
Storage	Room Temperature
Chemical Safety

Price:

50ml/1.70 oz          $14.50

1000ml/33.80oz     $208.00

• Molecular Formula    C₁₄H₂₂O
• Molecular Weight      206.32
• Exact Mass      206.167068
• CAS  127-51-5
• UNII    9XP4LC555B
• EC Number   204-846-3
• DSSTox Substance ID  DTXSID7027047      DTXSID10859248
• IUPAC  (E)-3-methyl-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one
• InChl=1S/C14H22O/c1-10-7-6-8-14(4,5)13(10)9-11(2)12(3)15/h7,9,13H,6,8H2,1-5H3/b11-9+
• InChl Key      JRJBVWJSTHECJK-PKNBQFBNSA-N
• SMILES   CC1=CCCC(C1C=C(C)C(=O)C)(C)C
• MDL number  MFCD00034582
• PubChem Substance ID    329751380
• ChEBI  179835
• SCHEMBL     891912
• NSC     66432
• FEMA     2714
• JECFA     404
• NACRES  NA.24
• HS Code       2914299000   

Synonyms :

• 3-methyl-4-(2,2-dimethyl-6-methylenecyclohexyl)-3-buten-2-one
• 4-(2,6-Trimethyl-2-cyclohexen-1-yl)-3-methyl-3-buten-2-one
• Isoraldeine
• Methyl ionone
• Alpha-cetone
• Methyl ionone gamma
• Acetone 99,5%
• α-Cetone
• α−Isomethyl ionone
• Iso-.alpha.-methyl ionone
• Gamma Methyl Ionone
• AC1NS9PL