Product Description
Benzaldehyde presents different visual traits based on purity grades: high-purity grade is a transparent colorless liquid, while industrial grade appears colorless to pale yellow, featuring a distinctive bitter almond fragrance. It possesses stable and standardized physical parameters, with a melting point of -26 °C, a boiling point of 179 °C, and a closed-cup flash point of 62 °C. Its density is fixed at 1.044 g/cm³ under 20 °C constant temperature.
In terms of solubility, this compound is sparingly soluble in aqueous solutions and features excellent mutual solubility with common organic media including ethanol, ether, benzene and chloroform, delivering great formula adaptability for industrial preparation and synthesis.
Product Parameters
| Melting point | -26 °C (lit.) |
| Boiling point | 178-179 °C (lit.) |
| Density | 1.044 g/cm3 at 20 °C (lit.) |
| Vapor density | 3.7 (vs air) |
| Vapor pressure | 4 mm Hg ( 45 °C) |
| Refractive index | n20/D 1.545(lit.) |
| FEMA | 2127 | BENZALDEHYDE |
| Fp | 145 °F |
| Storage temp | Store below +30°C. |
| Solubility | H2O: soluble100mg/mL |
| Pka | 14.90(at 25℃) |
| Form | liquid |
| Color | Pale yellow |
| PH Range | 5.9 |
| PH | 5.9 (1g/l, H2O) |
| Odor | Like almonds. |
| Explosive limit | 1.4-8.5%(V) |
| Biological source | synthetic |
| Odor Type | fruity |
| Water Solubility | <0.01 g/100 mL at 19.5 ºC |
| FreezingPoint | -56℃ |
| Sensitive | Air Sensitive |
| Merck | 14,1058 |
| JECFA Number | 22 |
| BRN | 471223 |
| Dielectric constant | 17.8（20℃） |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents, strong acids, reducing agents, steam. Air, light and moisture-sensitive. |
| InChIKey | HUMNYLRZRPPJDN-UHFFFAOYSA-N |
| LogP | 1.4 at 25℃ |
| CAS DataBase Reference | 100-52-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzaldehyde(100-52-7) |
| EPA Substance Registry System | Benzaldehyde (100-52-7) |
Application Scenarios
Fine-Chemical Synthetic Building Block
Benzaldehyde acts as a fundamental chemical feedstock for manufacturing multiple downstream derivatives including lauraldehyde, benzylamine and benzyl alcohol. It can also function as an organic solvent for selected organic workflows.
Flavor, Fragrance & Daily-Care Formulations
Thanks to its distinct almond-like aroma, it finds wide deployment in floral fragrance compositions, soap perfuming, as well as food and beverage flavoring systems.
Pharmaceutical & Agro-Chemical Intermediates
Within pharma production, it participates in the synthesis of active precursors such as phenylglycine and ephedrine. In agrochemical sectors, it is a key starting material for certain herbicide formulations.
