Overview
Citral (CAS 5392-40-5 ), also marketed under the trade name Lemsyn GB, is a naturally derived aldehyde used as a primary flavoring and fragrance ingredient. It delivers an intense lemon-citrus character and serves as a key synthetic precursor for ionones and vitamin A.
In food and beverage manufacturing, it is used at low concentrations to impart or reinforce lemon, lime, and verbena flavor profiles in beverages and confectionery. It carries FEMA 2303 status for use as a flavoring agent in commercial production.
Fragrance houses incorporate it into fine perfumes, functional fragrances, and household products where fresh citrus top notes are required. In personal care formulations, it contributes scent to shampoos, body washes, and skin creams.
Concentration limits apply under IFRA guidelines for topical applications. It also functions as a chemical intermediate in the industrial synthesis of aroma compounds including citronellol, geraniol derivatives, and beta-ionone.
The material is supplied as a pale yellow liquid, typically in concentrations of 95% or higher for commercial fragrance and flavor use. Natural-derived and synthetic grades are both available to meet specific formulation needs.
Natural citral is commonly sourced from lemongrass or Litsea cubeba oils. Food-grade material is supplied in compliance with FCC and FEMA specifications to ensure the highest safety and quality standards for global distribution.
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Physical Properties
| Melting Point | <-10 °C |
| Boiling Point | 219 °C |
| Density | 0.891-0.897 g/cm³ @ Temp: 15 °C |
| Flash Point | 215 °F |
| Appearance | mobile light yellow liquid with a lemon-like smell |
| Color | colorless to light yellow |
| Odor | at 100.00 %. sweet lemon citral |
| Form | Liquid |
| Water Solubility | PRACTICALLY INSOLUBLE |
| Vapor Pressure | 0.2 mm Hg ( 200 °C) |
| Refractive Index | n 20/D 1.488(lit.) |
| Log P | 2.76 at 25℃ |
Safety & Handling
Warning GHS07 GHS08 Hazard Statements H227 Combustible liquid H315 Causes skin irritation H317 May cause an allergic skin reaction H319 Causes serious eye irritation H361 Suspected of damaging fertility or the unborn child Precautionary Statements P203 Obtain, consult and follow expert instructions for use. P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P261 Avoid breathing dust/fume/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. P318 IF exposed or concerned, get medical advice. P321 Specific treatment (see … on this label). P403 Store in a well-ventilated place. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P302+P352 IF ON SKIN: Wash with plenty of water. P332+P317 Get emergency medical help. P333+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P370+P378 Use … for extinction. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 29121900 |
| Storage Class | 10 - Combustible liquids |
| WGK (Germany) | 1 |
Other Names
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Chemical Properties
- CAS Number
- 5392-40-5
- EC Number
- 226-394-6
- Mol. Weight
- 152.23
- HS Code
- 29121900
- Category
- Flavors & Fragrances