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| IUPAC name : | butan-2-one |
| InChI : | InChI=1/C4H8O/c1-3-4(2)5/h3H2,1-2H3 |
| InChIKey : | ZWEHNKRNPOVVGH-UHFFFAOYAW |
| SMILES : | CCC(=O)C |
| (EINECS) number : | 201-159-0 |
| eu annex : | 606-002-00-3 |
| cas number : | 78-93-3 |
| fema number : | 2170 |
| coe number : | 753 |
| jecfa number : | 278 |
| fl. number : | 07.053 |
| molar refractivity : | 20.60 ± 0.3 cm3 |
| parachor : | 196.3 ± 4.0 cm3 |
| index of refraction : | 1.367 ± 0.02 |
| surface tension : | 21.0 ± 3.0 dyne/cm |
| density : | 0.786 ± 0.06 g/cm3 |
| polarizability : | 8.17 ± 0.5 10-24cm3 |
| xlogp : | 0.40 |
| molecular weight : | 72.1057200 |
| formula : | C4 H8 O |
| BioActivity Analysis : | 17389672 |
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| fda reg : | 172.515 172.859 175.105 175.320 177.1200 |
h. number : | 2914.12.00.00 |
| organoleptics : | |
| odor type : | ethereal |
| odor strength : | high , recommend smelling in a 1.00 % solution or less |
odor description : at 1.00 % in dipropylene glycol. | acetone-like ethereal fruity camphor |
| taste description³ : | at 5.00 ppm. Chamical-like and slightly fruity green |
| properties : | |
| appearence : | colorless clear liquid |
| assay : | 99.00 - 100.00 %
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| Food Chemicals Codex Listed : | Yes |
| specific gravity : | 0.80100 - 0.80300 @ 25.00 °C.
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| pounds per gallon - calc. : | 6.665 to 6.682
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| refractive index : | 1.37700 - 1.38000 @ 20.00 °C.
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| melting point : | -85.00 - -87.00 °C. @ 760.00 mm Hg
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| boiling point : | 78.60 - 80.00 °C. @ 760.00 mm Hg
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| acid value : | 2.00 max. KOH/g
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| logp : | 0.29 |
| safety : | |
| most important hazard(s) : |
Xi - Irritant |
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| Oral Toxicity(LD50) : |
Oral-Rat [sex: M] 5490.00 mg/kg (Smyth et al., 1962)
Oral-Rat 2730.00 mg/kg (Kimura et al., 1971a)
Oral-Rat 3980.00 mg/kg (Union Carbide Corp., 1956)
Oral-Rat [sex: F] 5525.00 mg/kg (Pozzani et al., 1959)
Oral-Mouse [sex: M] 3137.00 mg/kg (Zakhari et al., 1977)
Oral-Mouse [sex: M] 4050.00 mg/kg (Tanii et al., 1986)
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| Dermal Toxicity(LD50) : |
Skin-Rabbit 6840.00 mg/kg SHELL* MSDS-5390-4
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| Maximised Survey-derived Daily Intakes (MSDI) : | 96.00 (μg/capita/day) |
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| flash point ( Deg. F. ) : | 26.00 °F. TCC ( -3.33 °C. )
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| recommendation for methyl ethyl ketone usage levels up to : |
| | 0.5000 % in the fragrance concentrate.
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| recommendation for methyl ethyl ketone usage levels up to : |
| | 270.0000 ppm in the flavor.
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| safety links : | |
| (EINECS) number : | 201-159-0 |
| rtecs : | EL6475000 for 78-93-3 |
| chemidplus : | 000078933 |
| epa-srs : | 78-93-3 |
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| other : | |
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| references : | |
| jecfa number : | 278 |
| fl. number : | 07.053 |
| pubchem : | 149533 |
| NIST Chemistry WebBook : | 677523036 |
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| reference : | Mosciano, Gerard P&F 20, No. 1, 31, (1995)³ |