Pentanal
| Names | |
|---|---|
| Preferred IUPAC name
Pentanal | |
| Other names
Pentanaldehyde Valeraldehyde Valeric aldehyde | |
| Identifiers | |
3D model (JSmol) |
|
| ChEBI | |
| ChemSpider | |
| DrugBank | |
| ECHA InfoCard | 100.003.442 |
PubChem CID |
|
| UNII | |
| UN number | 2058 |
CompTox Dashboard (EPA) |
|
| |
| |
| Properties | |
| C5H10O | |
| Molar mass | 86.134 g·mol−1 |
| Appearance | Clear liquid |
| Odor | Strong, acrid, pungent |
| Density | 0.8095 at 20 °C |
| Melting point | −60 °C (−76 °F; 213 K) |
| Boiling point | 102 to 103 °C (216 to 217 °F; 375 to 376 K) |
| 14 g/L (20 °C) | |
| Vapor pressure | 0.35 kPa (20 °C) |
| Viscosity | 0.6 mPa·s (20 °C) |
| Hazards | |
| GHS labelling: | |
| NFPA 704 (fire diamond) | |
| Flash point | 12 °C (54 °F; 285 K) |
| 220 °C (428 °F; 493 K) | |
| Lethal dose or concentration (LD, LC): | |
LD50 (median dose) |
3200 mg/kg (oral, rat) 4860 mg/kg (dermal, rabbit) |
LC50 (median concentration) |
14.3 ppm (rat, 4h) |
| NIOSH (US health exposure limits): | |
PEL (Permissible) |
none |
REL (Recommended) |
TWA 50 ppm (175 mg/m3) |
IDLH (Immediate danger) |
N.D. |
| Safety data sheet (SDS) | Fisher Scientific |
| Related compounds | |
Related aldehydes |
Butyraldehyde |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
Pentanal (also called valeraldehyde) is the organic compound with molecular formula C4H9CHO. Classified as an alkyl aldehyde, it is a colorless volatile liquid. Its odor is described as fermented, bready, fruity, nutty, berry.