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| IUPAC name : | 2-(4-methylphenyl)acetaldehyde |
| InChI : | InChI=1/C9H10O/c1-8-2-4-9(5-3-8)6-7-10/h2-5,7H,6H2,1H3 |
| SMILES : | CC1=CC=C(C=C1)CC=O |
| cas number : | 104-09-6 |
| (EINECS) number : | 203-173-2 |
| fema number : | 3071 |
| coe number : | 130 |
| jecfa number : | 1023 |
| fl. number : | 05.042 |
| molar refractivity : | 40.81 ± 0.3 cm3 |
| parachor : | 330.3 ± 4.0 cm3 |
| index of refraction : | 1.512 ± 0.02 |
| surface tension : | 34.9 ± 3.0 dyne/cm |
| density : | 0.987 ± 0.06 g/cm3 |
| polarizability : | 16.17 ± 0.5 10-24cm3 |
| XlogP : | 2.30 |
| molecular weight : | 134.1751000 (IUPAC) |
| formula : | C9 H10 O |
| NMR Predictor : | Predict |
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| export tariff code : | unspecified |
| fda reg : | 172.515 |
Suppliers :
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| Givaudan : | Syringa Aldehyde
Odor: Strong, Floral, Green, Sweet |
| Penta : | p-methylphenylacetaldehyde
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| Penta : | p-tolyl acetaldehyde
50% in p.e.a. |
| Penta : | p-tolylacetaldehyde
50% in d.p.g. |
| Symrise : | Tolyl acetaldehyde para
50% DPG |
| Vigon : | Syringa Aldehyde Tolyl Acetaldehyde
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organoleptics :
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| odor type : | green |
| odor strength : | high , recommend smelling in a 10.00 % solution or less |
odor description :¹ at 10.00 % in dipropylene glycol. | fresh sweet green cortex lilac narcissus |
| odor sample from : | Givaudan Corporation |
| substantivity : | 352 Hour(s) |
properties :
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| appearence : | colorless to yellow clear oily liquid |
| assay : | 95.00 to 100.00 %
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| Food Chemicals Codex Listed : | No |
| specific gravity : | 1.01000 to 1.01600 @ 25.00 °C.
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| pounds per gallon - calc. : | 8.404 to 8.454
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| refractive index : | 1.53000 to 1.54900 @ 20.00 °C.
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| melting point : | 32.00 to 34.00 °C. @ 760.00 mm Hg
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| boiling point : | 221.00 to 222.00 °C. @ 760.00 mm Hg
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| acid value : | 1.00 max. KOH/g
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| flash point : | 158.00 °F. TCC ( 70.00 °C. )
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| logP (o/w) : | 2.24 |
safety :
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| most important hazard(s) : | Xi - Irritant |
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R 36 - Irritating to eyes. S 02 - Keep out of the reach of children. 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 36 - Wear suitable protective clothing.
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| Human experience : | 2 % solution: no irritation or sensitization. |
| Oral Toxicity(LD50) : |
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Oral-Rat 5000.00 mg/kg
Oral-Mouse >5000.00 mg/kg (Levenstein, 1975d)
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| Dermal Toxicity(LD50) : |
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Not determined
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| Inhalation Toxicity(LC50) : |
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Not determined
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safety in use :
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| Maximised Survey-derived Daily Intakes (MSDI-EU) : | 5.50 (μg/capita/day) |
| Maximised Survey-derived Daily Intakes (MSDI-USA) : | 3.00 (μg/capita/day) |
| Structure Class : | I |
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| recommendation for lilac acetaldehyde usage levels up to : |
| | 2.0000 % in the fragrance concentrate.
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| recommendation for lilac acetaldehyde usage levels up to : |
| | 2.0000 ppm in the flavor.
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safety references :
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| European Food Safety Athority(efsa) : | Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies... |
| EPI System : | view |
| Canada Domestic Sub. List : | Yes |
| EPA Chem. Sub. Inventory : | Yes |
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| WGK Germany : | 3 |
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| | 2-(4-methylphenyl)acetaldehyde
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| (EINECS) number : | 203-173-2 |
| chemidplus : | 000104096 |
| EPA Substance Registry Services : | 104-09-6 |
references :
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| | 2-(4-methylphenyl)acetaldehyde
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| fl. number : | 05.042 |
| jecfa number : | 1023 |
| NIST Chemistry WebBook : | 2182465283 |
| pubchem : | 197228 |
Cosmetics :
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| Cosmetic uses : |
perfuming agents
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other :
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| reference : | Luebke, William tgsc, (1994)¹ |
| CosIng : | cosmetic data |