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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 |
| cas number : | 78-84-2 |
| (EINECS) number : | 201-149-6 |
| 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 |
| XlogP3-AA : | 0.80 |
| molecular weight : | 72.1057200 (IUPAC) |
| formula : | C4 H8 O |
| BioActivity Analysis : | 17389658 |
| NMR Predictor : | Predict |
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| export tariff code : | 2912.19.0000 |
| fda reg : | 172.515 |
Suppliers :
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| Advanced Biotech : | isobutyraldehyde
95% min. natural Odor: Acrid, Alcoholic |
| Berje : | isoButyraldehyde
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| Cargill - Alfrebro : | ISOBUTYRALDEHYDE FCC (EU NAT)
natural, Kosher |
| Fleurchem : | isobutyraldehyde
natural |
| Fontarome : | ISOBUTYRALDEHYDE
NATURAL Odor: Sharp, pungent |
| Frutarom : | ISOBUTYRALDEHYDE
≥99.00%, NI, Kosher Odor: Aldehydic, Floral, Fresh, Green |
| Mooreganics : | isobutyraldehyde
Natural (Organic Compliant) |
| Penta : | isobutyraldehyde
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| Penta : | isobutyraldehyde
natural |
| Robertet : | Isobutyraldehyde
naturel |
| Sigma-Aldrich-SAFC : | Isobutyraldehyde
≥98%, Kosher |
| Sigma-Aldrich-SAFC : | Isobutyraldehyde
96%, natural, Kosher, FG |
organoleptics :
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| odor type : | spicy |
| odor strength : | high , recommend smelling in a 0.10 % solution or less |
odor description :¹ at 0.10 % in dipropylene glycol. | fresh aldehydic floral |
| odor sample from : | Berje Inc. |
| substantivity : | 84 Hour(s) |
properties :
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| appearence : | colorless clear liquid |
| assay : | 98.00 to 100.00 %
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| Food Chemicals Codex Listed : | Yes |
| specific gravity : | 0.78300 to 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 to 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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| vapor pressure : | 173.00000 mm/Hg @ 25.00 °C. |
| vapor density : | 2.4 ( Air = 1 ) |
| flash point : | -2.00 °F. TCC ( -18.89 °C. )
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| logP (o/w) : | 0.74 |
safety :
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| most important hazard(s) : | Xn - Harmful. |
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R 11 - Highly flammable. R 36/37/38 - Irritating to eyes, respiratory system, and skin. S 02 - Keep out of the reach of children. S 07/09 - Keep container tightly closed and in well-ventilated place. S 16 - Keep away from sources of ignition - No Smoking. S 23 - Do not breath vapour. S 24/25 - Avoid contact with skin and eyes. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 33 - Take precautionary measures against static discharge. S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
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| Oral Toxicity(LD50) : |
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Oral-Rat 960.00 mg/kg Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 37(5), Pg. 104, 1972.
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| Dermal Toxicity(LD50) : |
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Skin-Rabbit 7130.00 ul/kg AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 10, Pg. 61, 1954.
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| Inhalation Toxicity(LC50) : |
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Inhalation-Mouse 39500.00 mg/m3/2H Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 37(5), Pg. 104, 1972.
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safety in use :
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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 references :
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| EPI System : | view |
| IUCLID : | view |
| NIOSH International Chemical Safety Cards : | search |
| NLM Hazardous Substances Data Bank : | search |
| Chemical Carcinogenesis Research Information System : | Search |
| Cancer Citations : | Search |
| Toxicology Citations : | Search |
| Carcinogenic Potency Database : | Search |
| Env. Mutagen Info. Center : | Search |
| National Toxicology Program : | Search |
| Canada Domestic Sub. List : | Yes |
| EPA Chem. Sub. Inventory : | Yes |
| WISER : | UN 2045 |
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| WGK Germany : | 1 |
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| | 2-methylpropanal
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| (EINECS) number : | 201-149-6 |
| RTECS : | 78-84-2 |
| chemidplus : | 000078842 |
| EPA/NOAA CAMEO : | hazardous materials |
| EPA Substance Registry Services : | 78-84-2 |
| dtp/nci : | 6739 |
references :
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| | 2-methylpropanal
|
| fl. number : | 05.004 |
| jecfa number : | 252 |
| NIST Chemistry WebBook : | 1227398684 |
| pubchem : | 149525 |
Cosmetics :
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| Cosmetic uses : |
nail conditioning
perfuming agents
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other :
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| reference : | Luebke, William tgsc, (1987)¹ |
| CosIng : | cosmetic data |
| VCF-Online: | VCF Volatile Compounds in Food |
| FDA Everything Added to Food in the United States (EAFUS) | View |
| Household Products : | Search |