2-Pentanone

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Catalog Number : CS-T-38981
CAS Number : 107-87-9
Status : Available for immediate dispatch
Category : Fine Chemicals
Industry : Flavours And Fragrances
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Canonical SMILES : CCCC(=O)C
Isomeric SMILES : CCCC(=O)C
InChI : InChI=1S/C5H10O/c1-3-4-5(2)6/h3-4H2,1-2H3
InchIKey : XNLICIUVMPYHGG-UHFFFAOYSA-N
IUPAC Name : pentan-2-one
Exact Mass : 86.073164938
Color : Colorless liquid
Odor : Characteristic acetone-like odor
Melting Point : -108 °F (NTP, 1992)
Boiling Point : 212 to 214 °F at 760 mm Hg (NTP, 1992)
Solubility : 10 to 50 mg/mL at 72° F (NTP, 1992)
Density : 0.809 at 68 °F (USCG, 1999)
Chemical Classes : Solvents -> Ketones (
Use Classification : Food additives -> Flavoring Agents
Industry Uses : Paint additives and coating additives not described by other categories
Consumer Uses : Building/construction materials not covered elsewhere
Hazard Class : Flam. Liq. 2 (31.89%)
Description : Pentan-2-one is a pentanone carrying an oxo substituent at position 2. It has a role as a plant metabolite. It is a methyl ketone and a pentanone.
Disposal Methods : SRP: The most favorable course of action is to use an alternative chemical product with less inherent propensity for occupational exposure or environmental contamination. Recycle any unused portion of the material for its approved use or return it to the manufacturer or supplier. Ultimate disposal of the chemical must consider: the material's impact on air quality; potential migration in soil or water; effects on animal, aquatic, and plant life; and conformance with environmental and public health regulations.
EC Number : 203-528-1
Vapor Pressure : 12 mm Hg at 68 °F ; 16 mm Hg at 77° F; 21 mm Hg at 86° F (NTP, 1992)
Antidoteand Emergency Treatment : INHALATION. Symptoms: Cough. Dizziness. Drowsiness. Dullness. Headache. Sore throat. First aid: Fresh air, rest. Refer for medical attention. SKIN: Symptoms: Dry skin. Redness. First aid: Remove contaminated clothes. Rinse skin with plenty of water or shower. EYES: Symptoms: Redness. Pain. First aid: First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor. INGESTION: Symptoms: Abdominal pain. Nausea. First aid: Rinse mouth. Do NOT induce vomiting. Refer for medical attention.
Human Toxicity Excerpts : /HUMAN EXPOSURE STUDIES/ thresholds for eye irritation and odor /were measured/ in homologous series of alcohols (ethanol, 1-butanol, 1-hexanol and 1-octanol), ketones (2-propanone, 2-pentanone, 2-heptanone and 2-nonanone), and alkylbenzenes (toluene, ethyl benzene and propyl benzene). Eye irritation thresholds were well above odor thresholds for all series. Both sensory thresholds declined with carbon chain length, a trend that has implicated lipophilicity in the potency of these and related stimuli. Eye irritation thresholds were remarkably close to nasal pungency thresholds obtained previously in persons lacking olfaction (i.e. anosmics). The agreement between the two thresholds implies that, despite differences in the mucus layer at the two sites and in the epithelial tissue itself, there is remarkable similarity at the site of stimulation. As a practical matter, the eyes could serve as the sites to assess potency for induction of nasal pungency, an assessment previously limited to testing anosmics. Presumably, for our brief stimulus presentations (1-3 sec), the differences between ocular and nasal mucosae have little relevance to chemical sensitivity. ...

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