Physical properties of Benzaldehyde
(a) It is a colourless oily liquid. The boiling point of it is 179° C.
(b) Benzaldehyde has smell of bitter almonds.
(c) Benzaldehyde is sparingly soluble in water but highly soluble in organic solvents.
(d) Benzaldehyde is steam volatile.
(e) Benzaldehyde is heavier than water (sp. gr. 1.0504 at 15° C).
(f) Benzaldehyde is poisonous in nature.