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| IUPAC name : | pentane-2,3-dione |
| InChI : | InChI=1/C5H8O2/c1-3-5(7)4(2)6/h3H2,1-2H3 |
| InChIKey : | TZMFJUDUGYTVRY-UHFFFAOYAL |
| SMILES : | CCC(=O)C(=O)C |
| (EINECS) number : | 209-984-8 |
| cas number : | 600-14-6 |
| beilstein number : | 1699638 |
| fema number : | 2841 |
| coe number : | 2039 |
| jecfa number : | 410 |
| fl. number : | 07.060 |
| molar refractivity : | 25.27 ± 0.3 cm3 |
| parachor : | 241.2 ± 4.0 cm3 |
| index of refraction : | 1.395 ± 0.02 |
| surface tension : | 27.5 ± 3.0 dyne/cm |
| density : | 0.950 ± 0.06 g/cm3 |
| polarizability : | 10.01 ± 0.5 10-24cm3 |
| molecular weight : | 100.1158200 |
| formula : | C5 H8 O2 |
| BioActivity Analysis : | 73447 |
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| fda reg : | 172.515 |
h. number : | 2914.19.0000 |
| organoleptics : | |
| odor type : | buttery |
| odor strength : | high , recommend smelling in a 1.00 % solution or less |
odor description : at 1.00 % in dipropylene glycol. | pungent sweet butter creamy caramel nutty cheese |
| taste description³ : | at 5.00 ppm. Toasted, buttery and caramellic with marshmallow and molasses nuances |
| substantivity : | 12 Hour(s) |
| properties : | |
| appearence : | yellow to yellow green clear liquid |
| assay : | 96.00 - 100.00 %
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| Food Chemicals Codex Listed : | Yes |
| specific gravity : | 0.95200 - 0.96200 @ 25.00 °C.
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| pounds per gallon - calc. : | 7.922 to 8.005
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| refractive index : | 1.40200 - 1.40600 @ 20.00 °C.
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| melting point : | -52.00 - -51.00 °C. @ 760.00 mm Hg
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| boiling point : | 110.00 - 112.00 °C. @ 760.00 mm Hg
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| logp : | -0.85 |
| safety : | |
| most important hazard(s) : |
Xi - Irritant |
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| Oral Toxicity(LD50) : |
Not determined
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| Dermal Toxicity(LD50) : |
Not determined
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| flash point ( Deg. F. ) : | 66.00 °F. TCC ( 18.89 °C. )
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| recommendation for acetyl propionyl usage levels up to : |
| | 0.0800 % in the fragrance concentrate.
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| recommendation for acetyl propionyl usage levels up to : |
| | 10.0000 ppm in the flavor.
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| safety links : | |
| (EINECS) number : | 209-984-8 |
| rtecs : | SA1850000 for 600-14-6 |
| chemidplus : | 000600146 |
| epa-srs : | 600-14-6 |
| dtp/nci : | 7613 |
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| other : | |
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| references : | |
| pubchem : | 155053 |
| NIST Chemistry WebBook : | 538408565 |
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| reference : | Mosciano, Gerard P&F 22, No. 1, 57, (1997)³ |