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| IUPAC name : | but-3-en-2-one |
| InChI : | InChI=1/C4H6O/c1-3-4(2)5/h3H,1H2,2H3 |
| InChIKey : | FUSUHKVFWTUUBE-UHFFFAOYAV |
| SMILES : | CC(=O)C=C |
| cas number : | 78-94-4 |
| (EINECS) number : | 201-160-6 |
| beilstein number : | 0506021 |
| coe number : | 11043 |
| fl. number : | 07.145 |
| molar refractivity : | 20.33 ± 0.3 cm3 |
| parachor : | 185.3 ± 4.0 cm3 |
| index of refraction : | 1.384 ± 0.02 |
| surface tension : | 20.8 ± 3.0 dyne/cm |
| density : | 0.807 ± 0.06 g/cm3 |
| polarizability : | 8.06 ± 0.5 10-24cm3 |
| XlogP : | 0.40 |
| molecular weight : | 70.0898400 |
| formula : | C4 H6 O |
| BioActivity Analysis : | 556080 |
| NMR Predictor : | Predict |
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| export tariff code : | 2914.19.0000 |
| fda reg : | unspecified |
Suppliers :
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| Sigma-Aldrich-Aldrich : | 3-Buten-2-one
99% |
organoleptics :
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properties :
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| appearence : | colorless clear liquid |
| assay : | 97.00 to 100.00 %
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| Food Chemicals Codex Listed : | No |
| specific gravity : | 0.84200 @ 25.00 °C.
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| melting point : | -8.00 to -6.00 °C. @ 760.00 mm Hg
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| boiling point : | 81.00 to 83.00 °C. @ 760.00 mm Hg
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| boiling point : | 32.00 to 34.00 °C. @ 60.00 mm Hg
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| vapor pressure : | 152.00000 mm/Hg @ 25.00 °C. |
| vapor density : | 1.3 ( Air = 1 ) |
| flash point : | 20.00 °F. TCC ( -6.67 °C. )
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| logP (o/w) : | 0.41 |
| shelf life : | 6.00 month(s) or longer if stored properly. |
| storage : | refrigerate in tightly sealed containers. |
| | moisture Sensitive. |
safety :
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| most important hazard(s) : | T+ N - Very toxic, Dangerous for the environment. |
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R 11 - Highly flammable. R 26/27/28 - Very toxic by inhalation, in contact with skin and if swallowed. R 34 - Causes burns. R 43 - May cause sensitisation by skin contact. R 50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. S 01/02 - Keep locked up and out of the reach of children. S 16 - Keep away from sources of ignition - No Smoking. S 20/21 - When using do not eat, drink or smoke. 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 28 - After contact with skin, wash immediately with plenty of water. S 36/37/39 - Wear suitable clothing, gloves and eye/face protection. S 45 - In case of accident or if you feel unwell seek medical advice immediately. S 60 - This material and its container must be disposed of as hazardous waste. S 61 - Avoid release to the environment. Refer to special instructions/safety data sheet.
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| Oral Toxicity(LD50) : |
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Oral-Mouse 23.30 mg/kg
Oral-Rat 23.10 mg/kg
Oral-Guineapig 15.00 mg/kg
Intraperitoneal-Mouse 76.00 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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Inhalation-Rat 7.00 mg/m3/4H
Inhalation-Mouse 8.00 mg/m3/2H
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safety in use :
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| recommendation for methyl vinyl ketone usage levels up to : |
| | not for fragrance use.
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| recommendation for methyl vinyl ketone usage levels up to : |
| | not for flavor use.
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safety references :
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| EPI System : | 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 |
| Env. Mutagen Info. Center : | Search |
| National Toxicology Program : | Search |
| Canada Domestic Sub. List : | Yes |
| EPA Chem. Sub. Inventory : | Yes |
| WISER : | UN 1251 |
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| WGK Germany : | 3 |
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| | but-3-en-2-one
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| (EINECS) number : | 201-160-6 |
| RTECS : | 78-94-4 |
| chemidplus : | 000078944 |
| EPA/NOAA CAMEO : | hazardous materials |
| EPA Substance Registry Services : | 78-94-4 |
| dtp/nci : | 120081 |
references :
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| | but-3-en-2-one
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| fl. number : | 07.145 |
| NIST Chemistry WebBook : | 236631798 |
| pubchem : | 149534 |
other :
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| VCF-Online: | VCF Volatile Compounds in Food |