Pentanal
| Names | |
|---|---|
| Preferred IUPAC name
Pentanal | |
| Other names
Pentanaldehyde
Valeraldehyde Valeric aldehyde | |
| Identifiers | |
CAS Number
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3D model (JSmol)
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| ChEBI | |
| ChemSpider | |
| DrugBank | |
| ECHA InfoCard | 100.003.442 |
PubChem CID
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| UNII | |
| UN number | 2058 |
CompTox Dashboard (EPA)
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InChI
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SMILES
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| Properties | |
Chemical formula
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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) |
Solubility in water
|
14 g/L (20 °C) |
| Vapor pressure | 0.35 kPa (20 °C)[3] |
| Viscosity | 0.6 mPa·s (20 °C) |
| Hazards | |
| GHS labelling: | |
Pictograms
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| NFPA 704 (fire diamond) | |
| Flash point | 12 °C (54 °F; 285 K)[3] |
Autoignition
temperature |
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)
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14.3 ppm (rat, 4h) |
| NIOSH (US health exposure limits): | |
PEL (Permissible)
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none[3] |
REL (Recommended)
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TWA 50 ppm (175 mg/m3)[3] |
IDLH (Immediate danger)
|
N.D.[3] |
| Safety data sheet (SDS) | Fisher Scientific |
| Related compounds | |
Related aldehydes
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Butyraldehyde Hexanal |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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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.[4]
- ^ Merck Index, 11th Edition, 9813.
- ^ n-Valeraldehyde at chemicalland21.com
- ^ a b c d e NIOSH Pocket Guide to Chemical Hazards. "#0652". National Institute for Occupational Safety and Health (NIOSH).
- ^ "Valeraldehyde, 110-62-3".