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| IUPAC name : | 3-methylbutanoic acid |
| InChI : | InChI=1/C5H10O2/c1-4(2)3-5(6)7/h4H,3H2,1-2H3,(H,6,7) |
| InChIKey : | GWYFCOCPABKNJV-UHFFFAOYAV |
| SMILES : | CC(C)CC(=O)O |
| (EINECS) number : | 207-975-3 |
| cas number : | 503-74-2 |
| beilstein number : | 1098522 |
| fema number : | 3102 |
| coe number : | 8 |
| jecfa number : | 259 |
| fl. number : | 08.008 |
| molar refractivity : | 26.73 ± 0.3 cm3 |
| parachor : | 250.2 ± 4.0 cm3 |
| index of refraction : | 1.418 ± 0.02 |
| surface tension : | 30.9 ± 3.0 dyne/cm |
| density : | 0.962 ± 0.06 g/cm3 |
| polarizability : | 10.59 ± 0.5 10-24cm3 |
| xlogp : | 1.30 |
| molecular weight : | 102.1317000 |
| formula : | C5 H10 O2 |
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| fda reg : | unspecified |
h. number : | 2915.60.0000 |
| organoleptics : | |
| odor type : | cheesy |
| odor strength : | high , recommend smelling in a 1.00 % solution or less |
odor description : at 1.00 % in propylene glycol. | sour stinky feet sweaty |
| taste description³ : | at 50.00 ppm. Cheesey, dairy, creamy, fermented, sweet, waxy and berry |
| substantivity : | 400 Hour(s) |
| properties : | |
| appearence : | colorless to pale yellow clear liquid |
| assay : | 99.00 - 100.00 %
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| Food Chemicals Codex Listed : | Yes |
| specific gravity : | 0.92300 - 0.92800 @ 25.00 °C.
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| pounds per gallon - calc. : | 7.680 to 7.722
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| refractive index : | 1.40100 - 1.40500 @ 20.00 °C.
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| melting point : | -29.00 °C. @ 760.00 mm Hg
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| boiling point : | 175.00 - 177.00 °C. @ 760.00 mm Hg
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| logp : | 1.16 |
| safety : | |
| most important hazard(s) : |
T - Toxic. |
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| Oral Toxicity(LD50) : |
Oral-Rat 2.00 ml/kg
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| Dermal Toxicity(LD50) : |
Skin-Rabbit 310.00 ul/kg
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| flash point ( Deg. F. ) : | 159.00 °F. TCC ( 70.56 °C. )
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| recommendation for isovaleric acid usage levels up to : |
| | not for fragrance use.
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| recommendation for isovaleric acid usage levels up to : |
| | 80.0000 ppm in the flavor.
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| safety links : | |
| (EINECS) number : | 207-975-3 |
| rtecs : | NY1400000 for 503-74-2 |
| chemidplus : | 000503742 |
| epa-srs : | 503-74-2 |
| dtp/nci : | 62783 |
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| other : | |
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| references : | |
| jecfa number : | 259 |
| fl. number : | 08.008 |
| pubchem : | 153713 |
| NIST Chemistry WebBook : | 1848049450 |
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| reference : | Mosciano, Gerard P&F 18, No. 5, 39, (1993)³ |