Citral
Description
Strong, lemon-like, found on Litsea cubeba. Widely used in many types of accords, mainly in citrus fragrances. Gives freshness and lift.
General Information
| Category | Aromatic Compound |
|---|---|
| IUPAC Name | 3,7-dimethylocta-2,6-dienal |
| CAS Number | 5392-40-5 |
| Molecular Weight | 152.23 g/mol |
| Canonical SMILES | CC(=CCCC(=CC=O)C)C |
Organoleptic Properties
| Odor Family | Citrus |
|---|---|
| Odor Strength | 1 2 3 4 5 |
| Odor Description | Fresh, Green, Juicy, Lemon, Lemon Peel, Sharp, Sweet, Tart |
| Substantivity | 12 hours at 100% |
Physical Properties
| Appearance | Colorless to pale yellow clear liquid (est) |
|---|---|
| Specific Gravity | 0.885 to 0.891 @ 25 °C. |
| Pounds per Gallon | 7.364 to 7.414 |
| Refractive Index | 1.486 to 1.49 @ 20 °C. |
| Vapor Pressure | 0.2 mmHg @ 20 °C. |
| Vapor Density | 5.2 ( Air = 1 ) |
| Boiling Point | 228 to 229 °C. @ 760 mm Hg |
| Flash Point | 195 °F. TCC ( 90 °C. ) |
| XLogP | 3 |
| Acid Value | 3 max. KOH/g |
| Shelf Life | 24 months if stored properly |
| Storage | Store in cool, dry place in tightly sealed containers, protected from heat and light. |
| Soluble in | Dipropylene glycol Fixed oils Paraffin oil Propylene glycol Water, 1340 mg/L @ 25 °C (exp) |
| Insoluble in | Glycerin |
IFRA
| Standard | https://ifrafragrance.org/standards/IFRA_STD_021.pdf | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Category | Flavor and fragrance agents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Critical Effect | Sensitization | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Restrictions Usage limits in the finished product |
|
Safety Information
| Pictograms |  |
|---|---|
| Hazard Statement | H315 - Causes skin irritation H317 - May cause an allergic skin reaction |
| Precautionary Statement | P261 - Avoid breathing dust/fumes/gas/mist/vapours/spray P264 - Wash … thoroughly after handling P272 - Contaminated work clothing should not be allowed out of the workplace P280 - Wear protective gloves/protective clothing/eye protection/face protection P302 + 352 - IF ON SKIN: Wash with plenty of water/… P333 + 313 - If skin irritation or a rash occurs: Get medical advice/attention P362 - Take off contaminated clothing P501 - Dispose of contents/container in accordance with local/regional/national/international regulations. |
| R-phrases | R38 - Irritating to skin R43 - May cause sensitisation by skin contact |
| S-phrases | S2 - Keep out of the reach of children S24/25 - Avoid contact with skin and eyes S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice S37/39 - Wear suitable gloves and eye/face protection |
| Europe Standard Hazard | Xi - Irritant |
