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Names | |
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Preferred IUPAC name Heptan-4-one | |
Other names Dipropyl ketone, Butyrone, DPK, Propyl ketone | |
Identifiers | |
3D model (JSmol) | |
ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.004.191 |
EC Number |
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PubChem CID | |
RTECS number |
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UNII | |
UN number | 2710 |
CompTox Dashboard (EPA) | |
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Properties | |
C7H14O | |
Molar mass | 114.188 g·mol−1 |
Appearance | Colorless liquid |
Density | 0.82 g/mL |
Melting point | −32.8 °C (−27.0 °F; 240.3 K) |
Boiling point | 143.9 °C (291.0 °F; 417.0 K) |
Vapor pressure | 5 mmHg (20 °C) |
−80.45·10−6 cm3/mol | |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards | Combustible [1] |
GHS labelling: | |
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Warning | |
H226, H332 | |
P210, P233, P240, P241, P242, P243, P261, P271, P280, P303+P361+P353, P304+P312, P304+P340, P312, P370+P378, P403+P235, P501 | |
NFPA 704 (fire diamond) | |
Flash point | 48.9 °C (120.0 °F; 322.0 K) |
NIOSH (US health exposure limits): | |
PEL (Permissible) | none [1] |
REL (Recommended) | TWA 50 ppm (235 mg/m3) [1] |
IDLH (Immediate danger) | N.D. [1] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
4-Heptanone or heptan-4-one is an organic compound with the formula (CH3CH2CH2)2CO. It is a colorless liquid.
The compound is synthesized by ketonization, involving the pyrolysis of iron(II) butyrate. [2]
Butyrone is used in the synthesis of 3-propylthio-4-heptanol, [3] which has found use as a flavor augmenting or enhancing composition in foodstuffs.