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| IUPAC name : | 3-methylbutanal |
| InChI : | InChI=1/C5H10O/c1-5(2)3-4-6/h4-5H,3H2,1-2H3 |
| InChIKey : | YGHRJJRRZDOVPD-UHFFFAOYAE |
| SMILES : | CC(C)CC=O |
| cas number : | 590-86-3 |
| (EINECS) number : | 209-691-5 |
| beilstein number : | 0773692 |
| fema number : | 2692 |
| coe number : | 94 |
| jecfa number : | 258 |
| fl. number : | 05.006 |
| molar refractivity : | 25.35 ± 0.3 cm3 |
| parachor : | 237.3 ± 4.0 cm3 |
| index of refraction : | 1.382 ± 0.02 |
| surface tension : | 22.6 ± 3.0 dyne/cm |
| density : | 0.791 ± 0.06 g/cm3 |
| polarizability : | 10.05 ± 0.5 10-24cm3 |
| XlogP : | 1.70 |
| molecular weight : | 86.1323000 |
| formula : | C5 H10 O |
| BioActivity Analysis : | 48414811 |
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| export tariff code : | 2912.19.0000 |
| fda reg : | 172.515 |
Suppliers :
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| Advanced Biotech : | isovaleraldehyde
98% min. (mixed isomers) natural Odor: Pungent, Sour |
| BASF : | iso-Valeraldehyde
≥ 98% (CGC) Odor: In pure pungent acrid and cough-provoking, in extreme dilution dry, fruity, cocoalike, nutty |
| Berje : | isoValeraldehyde
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| Berje : | isoValeraldehyde
Natural |
| Cargill - Alfrebro : | ISOVALERALDEHYDE (EU NAT)
natural, Kosher |
| Fleurchem : | isovaleraldehyde
natural |
| Fleurchem : | isovaleraldehyde
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| Fontarome : | ISOVALERALDEHYDE
NATURAL Odor: Pungent, apple-like, fruity, sweaty, sour, rancid |
| Fontarome : | ISOVALERALDEHYDE
SYNTHETIC |
| Frutarom : | 3-METHYLBUTYRALDEHYDE
≥98.00%, NI, Kosher Odor: Fatty, Fresh, Pungent |
| Moellhausen : | 3-methyl butyraldehyde
99% min. nature identical kosher Odor: fruity, peach- and cocoa-like in dilution |
| Mooreganics : | isovaleraldehyde
Natural (Organic Compliant) |
| Penta : | 3-methyl butyraldehyde
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| Penta : | isovaleraldehyde
natural |
| Sigma-Aldrich-SAFC : | Isovaleraldehyde
≥97%, Kosher Odor: fruity; peach; sour |
| Sigma-Aldrich-SAFC : | Isovaleraldehyde
≥95%, natural, Kosher Odor: fruity; peach; sour |
| Vigon : | Isovaleraldehyde
Natural Odor: CHOCOLATE |
organoleptics :
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| odor type : | aldehydic |
| odor strength : | high , recommend smelling in a 0.10 % solution or less |
odor description : at 0.10 % in dipropylene glycol. | ethereal aldehydic chocolate peach fatty |
| substantivity : | 96 Hour(s) |
properties :
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| appearence : | colorless to pale yellow clear liquid |
| assay : | 97.00 to 100.00 %
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| Food Chemicals Codex Listed : | Yes |
| specific gravity : | 0.79500 to 0.80200 @ 25.00 °C.
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| pounds per gallon - calc. : | 6.615 to 6.673
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| refractive index : | 1.38800 to 1.39100 @ 20.00 °C.
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| boiling point : | 90.00 to 93.00 °C. @ 760.00 mm Hg
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| acid value : | 10.00 max. KOH/g
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| vapor pressure : | 50.00000 mm/Hg @ 25.00 °C. |
| vapor density : | 2.9 ( Air = 1 ) |
| flash point : | 29.00 °F. TCC ( -1.67 °C. )
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| logP (o/w) : | 1.23 |
safety :
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| most important hazard(s) : | Xi - Irritant |
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R 12 - Extremely flammable. R 36/38 - Irritating to skin and eyes. S 02 - Keep out of the reach of children. S 07 - Keep container tightly closed. S 16 - Keep away from sources of ignition - No Smoking. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 36 - Wear suitable protective clothing.
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| Human experience : | 1 % solution: no irritation or sensitization. |
| Oral Toxicity(LD50) : |
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Oral-Rat 5600.00 mg/kg
Intraperitoneal-Rat 800.00 mg/kg
Oral-Mouse 4750.00 mg/kg
Oral-Guineapig 2950.00 mg/kg
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| Dermal Toxicity(LD50) : |
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Skin-Rabbit 3180.00 ul/kg National Technical Information Service. Vol. OTS0535072
Subcutaneous-Mouse 2000.00 mg/kg
Skin-Guineapig >8000.00 mg/kg
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| Inhalation Toxicity(LC50) : |
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Not determined
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safety in use :
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| recommendation for isovaleraldehyde usage levels up to : |
| | not for fragrance use.
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| recommendation for isovaleraldehyde usage levels up to : |
| | 150.0000 ppm in the flavor.
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safety references :
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| EPI System : | view |
| NLM Hazardous Substances Data Bank : | search |
| Chemical Carcinogenesis Research Information System : | Search |
| Toxicology Citations : | Search |
| EPA GENetic TOXicology : | Search |
| Env. Mutagen Info. Center : | Search |
| Canada Domestic Sub. List : | Yes |
| EPA Chem. Sub. Inventory : | Yes |
| WISER : | UN 1989 |
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| WGK Germany : | 1 |
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| | 3-methylbutanal
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| (EINECS) number : | 209-691-5 |
| RTECS : | ES3450000 for 590-86-3 |
| chemidplus : | 000590863 |
| EPA/NOAA CAMEO : | hazardous materials |
| EPA Substance Registry Services : | 590-86-3 |
| dtp/nci : | 404119 |
references :
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| | 3-methylbutanal
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| fl. number : | 05.006 |
| jecfa number : | 258 |
| NIST Chemistry WebBook : | 2491312283 |
| pubchem : | 154858 |
other :
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| VCF-Online: | VCF Volatile Compounds in Food |