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| IUPAC name : | 2-methylpropanal |
| InChI : | InChI=1/C4H8O/c1-4(2)3-5/h3-4H,1-2H3 |
| InChIKey : | AMIMRNSIRUDHCM-UHFFFAOYAE |
| SMILES : | CC(C)C=O |
| (EINECS) number : | 201-149-6 |
| cas number : | 78-84-2 |
| beilstein number : | 0605330 |
| fema number : | 2220 |
| coe number : | 92 |
| jecfa number : | 252 |
| fl. number : | 05.004 |
| molar refractivity : | 20.72 ± 0.3 cm3 |
| parachor : | 197.5 ± 4.0 cm3 |
| index of refraction : | 1.367 ± 0.02 |
| surface tension : | 21.0 ± 3.0 dyne/cm |
| density : | 0.781 ± 0.06 g/cm3 |
| polarizability : | 8.21 ± 0.5 10-24cm3 |
| xlogp : | 0.90 |
| molecular weight : | 72.1057200 |
| formula : | C4 H8 O |
| BioActivity Analysis : | 17389658 |
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| export tariff code : | 2912.19.0000 |
| fda reg : | unspecified |
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Suppliers :
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| Cargill - Alfrebro : | ISOBUTYRALDEHYDE FCC (EU NAT) |
| | natural, Kosher |
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| Fleurchem : | isobutyraldehyde |
| | natural |
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| Fontarome Chemical : | ISOBUTYRALDEHYDE NATURAL |
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| Oxford Chemicals Ltd : | ISOBUTYRALDEHYDE |
| | ≥99.00%, NI, Kosher |
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| Robertet : | Isobutyraldehyde |
| | naturel |
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| Sigma-Aldrich-SAFC : | Isobutyraldehyde |
| | ≥98%, Kosher |
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| Sigma-Aldrich-SAFC : | Isobutyraldehyde |
| | 96%, natural, Kosher, FG |
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organoleptics :
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| odor type : | spicy |
| odor strength : | high , recommend smelling in a 0.10 % solution or less |
odor description : at 0.10 % in dipropylene glycol. | fresh sweet fruity floral |
| substantivity : | 84 Hour(s) |
properties :
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| appearence : | colorless clear liquid |
| assay : | 98.00 - 100.00 %
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| Food Chemicals Codex Listed : | Yes |
| specific gravity : | 0.78300 - 0.78800 @ 25.00 °C.
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| pounds per gallon - calc. : | 6.515 to 6.557
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| refractive index : | 1.37230 - 1.38200 @ 20.00 °C.
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| melting point : | -65.00 °C. @ 760.00 mm Hg
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| boiling point : | 63.00 °C. @ 760.00 mm Hg
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| acid value : | 5.00 max. KOH/g
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| logp : | 0.74 |
safety :
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| most important hazard(s) : |
Xi - Irritant |
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| Oral Toxicity(LD50) : |
Oral-Rat 960.00 mg/kg
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| Dermal Toxicity(LD50) : |
Skin-Rabbit 7130.00 ul/kg
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| flash point ( Deg. F. ) : | -2.00 °F. TCC ( -18.89 °C. )
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| recommendation for isobutyraldehyde usage levels up to : |
| | not for fragrance use.
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| recommendation for isobutyraldehyde usage levels up to : |
| | 5.0000 ppm in the flavor.
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safety links :
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| (EINECS) number : | 201-149-6 |
| rtecs : | NQ4025000 for 78-84-2 |
| chemidplus : | 000078842 |
| epa-srs : | 78-84-2 |
| dtp/nci : | 6739 |
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| EPI System : | Click here |
other :
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references :
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| jecfa number : | 252 |
| fl. number : | 05.004 |
| pubchem : | 149525 |
| NIST Chemistry WebBook : | 1227398684 |
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