Names
Preferred IUPAC name: Benzaldehyde
Systematic IUPAC nameBenzenecarbaldehyde
Other names
Benzenecarboxaldehyde
Phenylmethanal
Benzoic aldehyde
Identifiers
CAS Number: 100-52-7
JSmol: Interactive image
ChEBI: CHEBI:17169
ChEMBL: ChEMBL15972
ChemSpider: 235
ECHA InfoCard: 100.002.601
EC Number: 202-860-4
KEGG: D02314
PubChem: 240
RTECS number: CU437500
UNII: TA269SD04T
Properties
Chemical formula: C7H6O
Molar mass: 106.12 g·mol
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)
Solubility in water: 3 g/L (20 °C)
Solubility: 6.95 g/L
log : 1.64
Magnetic susceptibility: -60.78·10 cm/mol−63
Refractive index: 1.5456
Viscosity: cP
Thermochemistry
Std enthalpy of
formation: −36.8 kJ/mol
Std enthalpy of
combustion: −3525.1 kJ/mol
Hazards
Safety data sheet: J. T. Baker
EU classification:
R-phrases: R22
S-phrases: (S2) S24
NFPA 704:
Flash point: 64 °C (147 °F; 337 K)
Autoignition
temperature: 192 °C (378 °F; 465 K)
Explosive limits: 1.4–8.5%
LD
median dose: 1300 mg/kg (rat, oral)
Related compounds
Related compounds: Benzyl alcohol
Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).