4-Heptanone
4-Heptanone or heptan-4-one is an organic compound with the formula (CH3CH2CH2)2CO. It is a colorless liquid. It is synthesized by ketonization, entailing pyrolysis of iron(II) butyrate. [2]
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| Names | |
|---|---|
| Preferred IUPAC name
Heptan-4-one | |
| Other names
Dipropyl ketone, Butyrone, DPK, Propyl ketone | |
| Identifiers | |
3D model (JSmol) |
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| ChEBI | |
| ChemSpider | |
| ECHA InfoCard | 100.004.191 |
| EC Number |
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PubChem CID |
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| 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: | |
  | |
| 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).
Infobox references | |
References
- NIOSH Pocket Guide to Chemical Hazards. "#0242". National Institute for Occupational Safety and Health (NIOSH).
- Davis, Robert; Granito, Charles; Schultz, Harry P. (1967). "4-Heptanone". Organic Syntheses. 47: 75. doi:10.15227/orgsyn.047.0075.
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