| |
| Right Click Picture For More Options. (Safari 1.2 (v125) Compatible). |
| |
|
|
| IUPAC name : | butane-2,3-dione |
| InChI : | InChI=1/C4H6O2/c1-3(5)4(2)6/h1-2H3 |
| InChIKey : | QSJXEFYPDANLFS-UHFFFAOYAX |
| SMILES : | CC(=O)C(=O)C |
| (EINECS) number : | 207-069-8 |
| cas number : | 431-03-8 |
| beilstein number : | 0605398 |
| fema number : | 2370 |
| coe number : | 752 |
| jecfa number : | 408 |
| fl. number : | 07.052 |
| molar refractivity : | 20.63 ± 0.3 cm3 |
| parachor : | 201.4 ± 4.0 cm3 |
| index of refraction : | 1.381 ± 0.02 |
| surface tension : | 26.4 ± 3.0 dyne/cm |
| density : | 0.969 ± 0.06 g/cm3 |
| polarizability : | 8.18 ± 0.5 10-24cm3 |
| xlogp : | -0.20 |
| molecular weight : | 86.0892400 |
| formula : | C4 H6 O2 |
| BioActivity Analysis : | 74367 |
|
|
| |
| |
| fda reg : | 184.1278 |
h. number : | 2914.19.00 |
| organoleptics : | |
| odor type : | buttery |
| odor strength : | high , recommend smelling in a 1.00 % solution or less |
odor description : at 1.00 % in propylene glycol. | strong butter sweet creamy pungent caramel |
| taste description³ : | at 50.00 ppm. Sweet, buttery, creamy, milky |
| substantivity : | 44 Hour(s) |
| properties : | |
| appearence : | yellow to yellow green clear liquid |
| assay : | 98.00 - 100.00 %
|
| Food Chemicals Codex Listed : | Yes |
| specific gravity : | 0.97900 - 0.98500 @ 25.00 °C.
|
| pounds per gallon - calc. : | 8.146 to 8.196
|
| refractive index : | 1.39300 - 1.39700 @ 20.00 °C.
|
| boiling point : | 87.00 - 88.00 °C. @ 760.00 mm Hg
|
| logp : | -1.34 |
| safety : | |
| most important hazard(s) : |
Xn - Harmful. |
| | |
| Oral Toxicity(LD50) : |
Oral-Rat 1580.00 gm/kg FCTXAV 2,327,1964
|
| Dermal Toxicity(LD50) : |
Skin-Rabbit >5.00 gm/kg FCTXAV 17,765,1979
|
| | |
| flash point ( Deg. F. ) : | 45.00 °F. TCC ( 7.22 °C. )
|
| | |
| recommendation for diacetyl usage levels up to : |
| | 0.3000 % in the fragrance concentrate.
|
| | |
| recommendation for diacetyl usage levels up to : |
| | 50.0000 ppm in the flavor.
|
| | |
| safety links : | |
| (EINECS) number : | 207-069-8 |
| rtecs : | EK2625000 for 431-03-8 |
| chemidplus : | 000431038 |
| epa-srs : | 431-03-8 |
| dtp/nci : | 8750 |
| | |
| other : | |
| |
|
| references : | |
| pubchem : | 153111 |
| NIST Chemistry WebBook : | 3847408412 |
| | |
| reference : | Mosciano, Gerard P&F 16, No. 6, 43, (1991)³ |