acetyl isobutyryl
4-methyl-2,3-pentanedione
Identification
| Name | acetyl isobutyryl |
| IUPAC | 4-methylpentane-2,3-dione |
| CAS Number | 7493-58-5 |
| EINECS | 231-328-4 |
| FDA UNII | K372XXT72S |
| Molecular Formula | C6 H10 O2 |
| Molecular Weight | 114.14410000 |
| Nikkaji Number | J110.476D |
| CoE Number | 2043 |
Regulatory
| JECFA Food Flavoring | 411 4-methyl-2,3-pentanedione |
| DG SANTE Food Flavourings | 07.063 4-methylpentane-2,3-dione |
| FEMA Number | 2730 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm (SATF) | 7493-58-5 ; 4-METHYL-2,3-PENTANEDIONE |
| FDA Regulation | FDA PART 172 -- FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION |
Physical Properties
| Appearance | pale yellow to yellow clear liquid (est) |
| Assay | 96.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Melting Point | -2.40 °C. @ 760.00 mm Hg |
| Boiling Point | 116.00 to 118.00 °C. @ 760.00 mm Hg |
| Vapor Pressure | 17.084000 mmHg @ 25.00 °C. (est) |
| Flash Point | 84.00 °F. TCC ( 28.89 °C. ) |
| logP (o/w) | -0.477 (est) |
| Soluble in | alcohol |
| Insoluble in | water |
| Similar Items | note |
Cosmetic Information
| CosIng | cosmetic data |
| Cosmetic Uses | perfuming agents |
Organoleptic Properties
| Odor Description |
at 1.00 % in dipropylene glycol. Sweet, fruity, buttery, creamy, with a brown fatty nuance
|
| Taste Description | at 80.00 ppm. |
Safety Information
| Oral/Parenteral Toxicity | Not determined |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | flavor and fragrance agents |
| RIFM Fragrance Material Safety Assessment | Search |
| Recommendation for acetyl isobutyryl usage levels up to | 0.1000 % in the fragrance concentrate. |
| Maximised Survey-derived Daily Intakes (MSDI-EU) | 0.30 (μg/capita/day) |
| baked goods | - |
| beverages(nonalcoholic) | - |
| beverages(alcoholic) | - |
| breakfast cereal | - |
| cheese | - |
| chewing gum | - |
| condiments / relishes | - |
| confectionery froastings | - |
| egg products | - |
| fats / oils | - |
| fish products | - |
| frozen dairy | - |
| fruit ices | - |
| gelatins / puddings | 1.20000 |
| granulated sugar | - |
| gravies | - |
| hard candy | - |
| imitation dairy | - |
| instant coffee / tea | - |
| jams / jellies | - |
| meat products | - |
| milk products | - |
| nut products | - |
| other grains | - |
| poultry | - |
| processed fruits | - |
| processed vegetables | - |
| reconstituted vegetables | - |
| seasonings / flavors | - |
| snack foods | - |
| soft candy | - |
| soups | - |
| sugar substitutes | - |
| sweet sauces | - |
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Potential Uses
Natural Occurrence
Synonyms
acetyl isobutyryl
acetylisobutyryl
methyl isopropyl diketone
4-
methyl pentane-2,3-dione
4-
methyl-2,3-pentane dione
4-
methyl-2,3-pentanedione
4-
methylpentane-2,3-dione
2,3-
pentanedione, 4-methyl-
iso
propyl methyl diketone
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