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
Synthesis: Dimethylketone is produced through several methods, including the dehydrogenation of isopropanol or as a by-product in the production of certain hydrocarbons.
Purification: The product is purified to remove any impurities or by-products, ensuring a high-quality ingredient.
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
Dimethylketone 
