Citral (CAS 5392-40-5)

Molecular structure

Chemical Product

CITRAL

Cat. NoKC.310210 CategoryOther Molecular FormulaC10H16O CAS5392-40-5 Molecular Weight152.23 g/mol

Pack sizes 100ML500ML

Safety & Hazards (GHS) Warning

Irritant

⚠️ For information only; not a substitute for the official Safety Data Sheet (SDS).

Citral is a metabolite found in or produced by Saccharomyces cerevisiae.

Component of many commercial oils including lemon grass, verbena, lemon, and orange; [Merck Index] Used as a flavoring agent and fragrance and an intermediate for the synthesis of other fragrances, vitamin A, ionone, and methylinone; [HSDB]
Reported uses (FEMA, 1994): Alcoholic and nonalcoholic beverages, baked goods, cheese, chewing gum, condiment (relish), frozen dairy, gelatin (pudding), gravies, hard and soft candy, meat products.
Intermediate for other fragrances
In the synthesis of vitamin A, ionone and methylinone. As a flavor and in perfumery for its citrus effect.

Physical Description	Citral appears as a clear yellow colored liquid with a lemon-like odor. Less dense than water and insoluble in water. Toxic by ingestion. Used to make other chemicals.
Color/Form	Mobile pale yellow liquid
Odor	Strong lemon odor
Melting Point	Melting point <-10 °C.
Boiling Point	444 °F at 760 mmHg (Decomposes) (NTP, 1992)
Flash Point	215 °F (NTP, 1992)
Density	0.891 to 0.897 at 59 °F (NTP, 1992)
Solubility	0.1 to 1 mg/mL at 64 °F (NTP, 1992)
Vapor Pressure	5 mmHg at 194 °F ; 1 mmHg at 143.1 °F; 760 mmHg at 442 °F (NTP, 1992)
Refractive Index	Index of refraction = 1.4860-1.4900 at 20 °C, not optically active
Stability/Shelf Life	NOT STABLE TO ALKALIES AND STRONG ACIDS

IUPAC Name	(2E)-3,7-dimethylocta-2,6-dienal
Molecular Formula	C10H16O
Molecular Weight	152.23 g/mol
CAS	5392-40-5
SMILES	CC(=CCC/C(=C/C=O)/C)C
InChIKey	WTEVQBCEXWBHNA-JXMROGBWSA-N
Catalog No	KC.310210
Pack sizes	100ML · 500ML

⚠️ For information only; not a substitute for the official SDS.