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| IUPAC name : | 4-oxopentanoic acid |
| InChI : | InChI=1/C5H8O3/c1-4(6)2-3-5(7)8/h2-3H2,1H3,(H,7,8) |
| InChIKey : | JOOXCMJARBKPKM-UHFFFAOYAR |
| SMILES : | CC(=O)CCC(=O)O |
| cas number : | 123-76-2 |
| (EINECS) number : | 204-649-2 |
| beilstein number : | 0506796 |
| fema number : | 2627 |
| coe number : | 23 |
| jecfa number : | 606 |
| fl. number : | 08.023 |
| molar refractivity : | 26.80 ± 0.3 cm3 |
| parachor : | 257.9 ± 4.0 cm3 |
| index of refraction : | 1.434 ± 0.02 |
| surface tension : | 39.6 ± 3.0 dyne/cm |
| density : | 1.129 ± 0.06 g/cm3 |
| polarizability : | 10.62 ± 0.5 10-24cm3 |
| XlogP : | -0.40 |
| molecular weight : | 116.1152200 (IUPAC) |
| formula : | C5 H8 O3 |
| BioActivity Analysis : | 70155 |
| NMR Predictor : | Predict |
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| export tariff code : | unspecified |
| fda reg : | 172.515 |
Suppliers :
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| Advanced Biotech : | levulinic acid
99% min. natural Odor: Whiskey |
| Fleurchem : | levulinic acid
natural |
| Inoue : | LEVULINIC ACID
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| Penta : | levulinic acid
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| Sigma-Aldrich-SAFC : | Levulinic acid
≥97%, FG, Kosher Odor: wine-like |
| Vigon : | Levulinic Acid
Odor: MILD CARAMELLIC ODOR-ALMOST ODORLESS. |
organoleptics :
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| odor type : | caramellic |
| odor strength : | medium |
odor description :¹ at 100.00 %. | sweet caramel acidic acetoin buttery |
| substantivity : | 400 Hour(s) |
properties :
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| appearence : | yellow to brown clear liquid |
| assay : | 97.00 to 100.00 %
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| Food Chemicals Codex Listed : | No |
| specific gravity : | 1.13600 to 1.14200 @ 25.00 °C.
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| pounds per gallon - calc. : | 9.453 to 9.503
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| refractive index : | 1.44000 to 1.44500 @ 20.00 °C.
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| melting point : | 30.00 to 33.00 °C. @ 760.00 mm Hg
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| boiling point : | 245.00 to 246.00 °C. @ 760.00 mm Hg
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| vapor pressure : | 1.00000 mm/Hg @ 102.00 °C. |
| flash point : | 280.00 °F. TCC ( 137.78 °C. )
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| logP (o/w) : | -0.49 |
safety :
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| most important hazard(s) : | Xn - Harmful. |
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R 22 - Harmful if swallowed. R 36/37/38 - Irritating to eyes, respiratory system, and skin. S 02 - Keep out of the reach of children. S 20/21 - When using do not eat, drink or smoke. S 24/25 - Avoid contact with skin and eyes. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 36 - Wear suitable protective clothing.
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| Oral Toxicity(LD50) : |
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Oral-Rat 1850.00 mg/kg (Moreno, 1977j)
Intraperitoneal-Mouse 450.00 mg/kg
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| Dermal Toxicity(LD50) : |
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Skin-Rabbit >5000.00 mg/kg
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| Inhalation Toxicity(LC50) : |
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Not determined
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safety in use :
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| Maximised Survey-derived Daily Intakes (MSDI-EU) : | 190.00 (μg/capita/day) |
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| recommendation for levulinic acid usage levels up to : |
| | not for fragrance use.
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| recommendation for levulinic acid usage levels up to : |
| | 70.0000 ppm in the flavor.
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safety references :
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| European Food Safety Athority(efsa) : | Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies... |
| EPI System : | view |
| Cancer Citations : | Search |
| Toxicology Citations : | Search |
| Canada Domestic Sub. List : | Yes |
| EPA Chem. Sub. Inventory : | Yes |
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| WGK Germany : | 3 |
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| | 4-oxopentanoic acid
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| (EINECS) number : | 204-649-2 |
| RTECS : | OI1575000 for 123-76-2 |
| chemidplus : | 000123762 |
| EPA Substance Registry Services : | 123-76-2 |
| dtp/nci : | 3716 |
references :
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| | 4-oxopentanoic acid
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| fl. number : | 08.023 |
| jecfa number : | 606 |
| NIST Chemistry WebBook : | 570494075 |
| pubchem : | 173312 |
Cosmetics :
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| Cosmetic uses : |
perfuming agents
skin conditioning
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other :
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| reference : | Luebke, William tgsc, (1982)¹ |
| CosIng : | cosmetic data |
| VCF-Online: | VCF Volatile Compounds in Food |