Title: Citronellal
CAS Registry Number: 106-23-0
CAS Name: 3,7-Dimethyl-6-octenal
Molecular Formula: C10H18O
Molecular Weight: 154.25
Percent Composition: C 77.87%, H 11.76%, O 10.37%
Literature References: Chief constituent of citronella oil; also found in many other volatile oils, such as lemon, lemon grass, melissa: Tiemann,
Ber. 32, 834 (1899); Spoon,
Chem. Weekbl. 54, 236 (1958). Structure: Naves,
Bull. Soc. Chim. Fr. 1951, 505; Eschinazi,
J. Org. Chem. 26, 3072 (1961).
Properties: Liquid. bp1 47°.
nD20 1.4460. [a]D25 +11.50°. d 0.848-0.856. Soluble in alcohols; very slightly sol in water.
Boiling point: bp1 47°
Optical Rotation: [a]D25 +11.50°
Index of refraction: nD20 1.4460
Density: d 0.848-0.856
Derivative Type: a-citronellal
CAS Registry Number: 141-26-4
CAS Name: 3,7-Dimethyl-7-octenal
Synonyms: rhodinal
Properties: Liquid. bp1.4 51°.
nD20 1.4410. [a]D20 +9.75°.
Boiling point: bp1.4 51°
Optical Rotation: [a]D20 +9.75°
Index of refraction: nD20 1.4410
Use: In soap perfumes; insect repellent.