Citral
CAS Number: 5392-40-5
Appearance: colorless to light yellow Liquid
Molecular Formula: C10H16O
Molecular weight: 152.23
Sample: Available
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Citral industrial grade has a purity of ≥99%. It appears as a pale yellow liquid with a strong lemon‑like aroma. Its melting point is −7 °C, boiling point 228–229 °C. Vapor pressure is 0.02 mmHg at 25 °C, relative density 0.89 at 20 °C. It is slightly soluble in water, soluble in ethanol, ether and fixed oils, and miscible with most organic solvents. It is stable but incompatible with strong oxidizing agents, acids and bases.
Parameters
| Item | Value |
| Melting point | <-10°C |
| Boiling point | 229 °C (lit.) |
| density | 0.888 g/mL at 25 °C (lit.) |
| vapor density | 5 (vs air) |
| vapor pressure | 0.2 mm Hg ( 200 °C) |
| refractive index | n20/D 1.488(lit.) |
| FEMA | 2303 | CITRAL |
| Fp | 215 °F |
| storage temp. | 2-8°C |
| solubility | 0.42g/l |
| form | Liquid |
| color | colorless to light yellow |
| Odor | at 100.00 %. sweet lemon citral |
| Odor Type | citrus |
| biological source | synthetic |
| explosive limit | 4.3-9.9%(V) |
| Water Solubility | PRACTICALLY INSOLUBLE |
| Merck | 14,2322 |
| JECFA Number | 1225 |
| BRN | 1721871 |
| Exposure limits | ACGIH: TWA 5 ppm (Skin) |
| Stability: | Stable. but readily isomerizes. Incompatible with alkalies, strong oxidizing agents, strong acids. Combustible. Air and light sensitive. |
| Cosmetics Ingredients Functions | FLAVOURING FRAGRANCE PERFUMING |
| LogP | 2.76 at 25℃ |
| CAS DataBase Reference | 5392-40-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Citral(5392-40-5) |
| EPA Substance Registry System | Citral (5392-40-5) |
Safety Information
| Item | Value |
| Hazard Codes | Xi |
| Risk Statements | 38-43 |
| Safety Statements | 24/25-37 |
| RIDADR | 1760 |
| WGK Germany | 1 |
| RTECS | RG5075000 |
| Autoignition Temperature | 225 °C |
| TSCA | TSCA listed |
| HS Code | 2912 19 00 |
| HazardClass | 8 |
| PackingGroup | III |
| Hazardous Substances Data | 5392-40-5(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 4.96 g/kg (Opdyke) |
Product Application of CitralCAS#5392-40-5
Citral is an approved synthetic flavor in China, widely used to formulate fruit flavors such as strawberry, apple, apricot, sweet orange and lemon. Typical usage levels include: chewing gum 1.70 mg/kg, bakery products 43 mg/kg, confectionery 41 mg/kg, cold drinks 23 mg/kg, soft drinks 9.2 mg/kg.
It is widely used in flavoring for dishwashing detergents, soaps and toilet waters. Citral serves as a key raw material for synthesizing ionone, methyl ionone and dihydrodamascone. As an organic intermediate, it can be reduced to citronellol, nerol and geraniol, or converted into citronitrile. In pharma, it is used to produce Vitamin A and E, and as a raw material for chlorophyll synthesis.
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