![]()
............
These two compounds both have molecular formula C5H10O.
![]()
Compare properties:
......22-pentanone (methyl propyl ketone)...........................................3-methylbutanal (isovaleraldehyde)
0.809 . . . . . . . . . . . . . . . . relative density (liquid) . . . . . . . . . . . . . . . . 0.785
1.3895 . . . . . . . . . . . . . . . refractive index (liquid) . . . . . . . . . . . . . . . .1.3902
102 . . . . . . . . . . . . . . . . boiling point (oC) . . . . . . . . . . . . . . . . . . . . . . 92.5
- 70 . . . . . . . . . . . . . . . . . melting point (oC) . . . . . . . . . . . . . . . . . . . . . . - 51
almost insoluble. . . . . . . . . . . . . . solubility in water. . . . .. . . . . . . . . . . . . .sparingly soluble
What are these two materials used for?
MPK (methyl propyl ketone or 2-pentanone) is an organic solvent.
Isovaleraldehyde (3-methylbutanal) has a strong apple-like odour and is used in perfumes and flavours.