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| IUPAC name : | 2-methylbutanoic acid |
| InChI : | InChI=1/C5H10O2/c1-3-4(2)5(6)7/h4H,3H2,1-2H3,(H,6,7)/f/h6H |
| InChIKey : | WLAMNBDJUVNPJU-BRMMOCHJCC |
| SMILES : | CCC(C)C(=O)O |
| (EINECS) number : | 204-145-2 |
| cas number : | 116-53-0 |
| beilstein number : | 1098537 |
| fema number : | 2695 |
| coe number : | 2002 |
| jecfa number : | 255 |
| fl. number : | 08.046 |
| 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 : | 1.00 |
| molecular weight : | 102.1317000 |
| formula : | C5 H10 O2 |
| BioActivity Analysis : | 73207 |
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| fda reg : | 172.515 |
h. number : | 2915.60.0000 |
| organoleptics : | |
| odor type : | acidic |
| odor strength : | medium , recommend smelling in a 10.00 % solution or less |
odor description : at 10.00 % in propylene glycol. | pungent acid roquefort cheese |
| taste description³ : | at 10.00 ppm. Fruity, dirty, acidic with a dairy buttery and cheesey nuance |
| substantivity : | 244 Hour(s) |
| properties : | |
| appearence : | colorless to pale yellow clear liquid |
| assay : | 98.00 - 100.00 %
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| Food Chemicals Codex Listed : | No |
| specific gravity : | 0.92900 - 0.93700 @ 25.00 °C.
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| pounds per gallon - calc. : | 7.730 to 7.797
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| refractive index : | 1.40100 - 1.40800 @ 20.00 °C.
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| boiling point : | 176.00 - 177.00 °C. @ 760.00 mm Hg
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| logp : | 1.18 |
| safety : | |
| most important hazard(s) : |
C - Corrosive. |
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| Oral Toxicity(LD50) : |
Oral-Rat 3200.00 mg/kg ATDAEI 1,171,1992
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| Dermal Toxicity(LD50) : |
Skin-Rabbit 10.00 ml/kg ATDAEI 1,171,1992
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| flash point ( Deg. F. ) : | 165.00 °F. TCC ( 73.89 °C. )
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| recommendation for 2-methyl butyric acid usage levels up to : |
| | 0.0200 % in the fragrance concentrate.
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| recommendation for 2-methyl butyric acid usage levels up to : |
| | 3.0000 ppm in the flavor.
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| safety links : | |
| (EINECS) number : | 204-145-2 |
| rtecs : | EK7897000 for 116-53-0 |
| chemidplus : | 000116530 |
| epa-srs : | 116-53-0 |
| dtp/nci : | 7304 |
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| other : | |
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| references : | |
| pubchem : | 151452 |
| NIST Chemistry WebBook : | 3155133172 |
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| reference : | Mosciano, Gerard P&F 16, No. 2, 49, (1991)³ |