Benzaldehyde
Benzaldehyde (C6H5CHO) is an organic compound consisting of a benzene ring with a formyl substituent. It is the simplest aromatic aldehyde and one of the most industrially useful.
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| Names | |||
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| IUPAC name
Benzenecarbaldehyde | |||
| Preferred IUPAC name
Benzaldehyde | |||
| Other names
Benzenecarboxaldehyde Phenylmethanal Benzoic aldehyde | |||
| Identifiers | |||
3D model (JSmol) |
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| ChEBI | |||
| ChEMBL | |||
| ChemSpider | |||
| ECHA InfoCard | 100.002.601 | ||
| EC Number |
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| KEGG | |||
PubChem CID |
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| RTECS number |
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| UNII | |||
| UN number | 1990 | ||
CompTox Dashboard (EPA) |
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| Properties | |||
| C7H6O | |||
| Molar mass | 106.124 g·mol−1 | ||
| Appearance | colorless liquid strongly refractive | ||
| Odor | almond-like | ||
| Density | 1.044 g/mL, liquid | ||
| Melting point | −57.12 °C (−70.82 °F; 216.03 K) | ||
| Boiling point | 178.1 °C (352.6 °F; 451.2 K) | ||
| 6.95 g/L (25 °C) | |||
| log P | 1.64 | ||
| -60.78·10−6 cm3/mol | |||
Refractive index (nD) |
1.5456 | ||
| Viscosity | 1.321 cP (25 °C) | ||
| Thermochemistry | |||
Std enthalpy of formation (ΔfH⦵298) |
−36.8 kJ/mol | ||
Std enthalpy of combustion (ΔcH⦵298) |
−3525.1 kJ/mol | ||
| Hazards | |||
| GHS labelling: | |||
| Warning | |||
| H302 | |||
| P264, P270, P301+P312, P330, P501 | |||
| NFPA 704 (fire diamond) | |||
| Flash point | 64 °C (147 °F; 337 K) | ||
| 192 °C (378 °F; 465 K) | |||
| Explosive limits | 1.4–8.5% | ||
| Lethal dose or concentration (LD, LC): | |||
LD50 (median dose) |
1300 mg/kg (rat, oral) | ||
| Safety data sheet (SDS) | J. T. Baker | ||
| Related compounds | |||
Related compounds |
Benzyl alcohol Benzoic acid Benzaldehyde oxime | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |||
It is a colorless liquid with a characteristic almond-like odor, and is commonly used in cherry-flavored sodas. A component of bitter almond oil, benzaldehyde can be extracted from a number of other natural sources. Synthetic benzaldehyde is the flavoring agent in imitation almond extract, which is used to flavor cakes and other baked goods.
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