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| IUPAC name : | 1-(4-hydroxyphenyl)ethanone |
| InChI : | InChI=1/C8H8O2/c1-6(9)7-2-4-8(10)5-3-7/h2-5,10H,1H3 |
| InChIKey : | TXFPEBPIARQUIG-UHFFFAOYAU |
| SMILES : | CC(=O)C1=CC=C(C=C1)O |
| cas number : | 99-93-4 |
| (EINECS) number : | 202-802-8 |
| beilstein number : | 0774355 |
| fema number : | 4330 |
| fl. number : | 07.243 |
| molar refractivity : | 38.16 ± 0.3 cm3 |
| parachor : | 307.4 ± 4.0 cm3 |
| index of refraction : | 1.552 ± 0.02 |
| surface tension : | 43.9 ± 3.0 dyne/cm |
| density : | 1.140 ± 0.06 g/cm3 |
| polarizability : | 15.12 ± 0.5 10-24cm3 |
| XlogP : | 1.50 |
| molecular weight : | 136.1479200 |
| formula : | C8 H8 O2 |
| BioActivity Analysis : | 70138 |
| NMR Predictor : | Predict |
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| export tariff code : | unspecified |
| fda reg : | unspecified |
Suppliers :
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| Nanjing : | 4'-Hydroxyacetophenone
|
| Penta : | 4'-hydroxyacetophenone
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| Sigma-Aldrich-Aldrich : | 4'-Hydroxyacetophenone
99% |
| TCI AMERICA : | 4'-Hydroxyacetophenone
>98.0%(LC)(T) |
organoleptics :
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| odor type : | floral |
| odor strength : | medium , recommend smelling in a 10.00 % solution or less |
odor description :¹ at 10.00 % in dipropylene glycol. | mild sweet hawthorn balsam mimosa |
| substantivity : | 400 Hour(s) |
properties :
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| appearence : | white to beige powder |
| assay : | 99.00 to 100.00 %
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| Food Chemicals Codex Listed : | No |
| melting point : | 109.00 to 110.00 °C. @ 760.00 mm Hg
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| boiling point : | 147.00 to 148.00 °C. @ 3.00 mm Hg
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| vapor pressure : | 0.00748 mm/Hg @ 25.00 °C. |
| flash point : | 250.00 °F. TCC ( 121.11 °C. )
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| logP (o/w) : | 1.35 |
safety :
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| most important hazard(s) : | Xn - Harmful. |
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R 22 - Harmful if swallowed. S 02 - Keep out of the reach of children. S 20/21 - When using do not eat, drink or smoke. S 22 - Do not breath dust. 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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| Oral Toxicity(LD50) : |
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Oral-Mouse 1500.00 mg/kg
Intraperitoneal-Mouse 200.00 mg/kg
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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) : | 0.016 (μg/capita/day) |
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| recommendation for 4'-hydroxyacetophenone usage levels up to : |
| | 1.0000 % in the fragrance concentrate.
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| Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS). |
| The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA on the "LIBRARY" link. |
| publication number : 23 |
| | average usual ppm | average maximum ppm |
| baked goods : | 0.10000 | 0.50000 |
| beverages(nonalcoholic) : | 1.00000 | 5.00000 |
| beverages(alcoholic) : | 1.00000 | 5.00000 |
| breakfast cereal : | - | - |
| cheese : | 0.01000 | 0.05000 |
| chewing gum : | - | - |
| condiments / relishes : | 0.01000 | 0.05000 |
| confectionery froastings : | 1.00000 | 5.00000 |
| egg products : | - | - |
| fats / oils : | - | - |
| fish products : | 0.01000 | 0.05000 |
| frozen dairy : | 0.01000 | 0.05000 |
| fruit ices : | 0.10000 | 0.50000 |
| gelatins / puddings : | 0.01000 | 0.05000 |
| granulated sugar : | - | - |
| gravies : | 0.01000 | 0.05000 |
| hard candy : | - | - |
| imitation dairy : | 0.01000 | 0.05000 |
| instant coffee / tea : | - | - |
| jams / jellies : | - | - |
| meat products : | 0.01000 | 0.05000 |
| milk products : | 0.01000 | 0.05000 |
| nut products : | - | - |
| other grains : | - | - |
| poultry : | 0.01000 | 0.05000 |
| processed fruits : | 0.01000 | 0.05000 |
| processed vegetables : | 0.01000 | 0.05000 |
| reconstituted vegetables : | - | - |
| seasonings / flavors : | 0.01000 | 0.05000 |
| snack foods : | 0.01000 | 0.05000 |
| soft candy : | - | - |
| soups : | 0.01000 | 0.05000 |
| sugar substitutes : | - | - |
| sweet sauces : | 0.01000 | 0.05000 |
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 |
| Cancer Citations : | Search |
| Toxicology Citations : | Search |
| Env. Mutagen Info. Center : | Search |
| NLM Developmental and Reproductive Toxicity : | Search |
| Canada Domestic Sub. List : | Yes |
| EPA Chem. Sub. Inventory : | Yes |
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| WGK Germany : | 3 |
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| | 1-(4-hydroxyphenyl)ethanone
|
| (EINECS) number : | 202-802-8 |
| RTECS : | AM8750000 for 99-93-4 |
| chemidplus : | 000099934 |
| EPA Substance Registry Services : | 99-93-4 |
references :
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| | 1-(4-hydroxyphenyl)ethanone
|
| fl. number : | 07.243 |
| NIST Chemistry WebBook : | 3419523591 |
| pubchem : | 150540 |
other :
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| reference : | Luebke, William tgsc, (1987)¹ |
| VCF-Online: | VCF Volatile Compounds in Food |