Citral
Citral (CAS: 5392-40-5) is a naturally occurring monoterpene aldehyde, known for its distinctive lemon scent. This compound, with a molecular weight of 152.23 g/mol, exists as a mixture of geranial and neral isomers. It is widely recognised for its application in the fragrance and flavour industries, and also serves as a valuable intermediate in the synthesis of other chemicals, including vitamins and aroma compounds. Tech Serve Solutions supplies Citral for research and industrial applications.
- IUPAC
- 3,7-Dimethyl-2,6-octadienal,Geranial and neral mixture
- Synonyms
- GeranialNeral3,7-Dimethyl-2,6-octadienalGeranial/Neral mixture

Fragrance and Flavour Industry
Citral is extensively used as a key ingredient in perfumes, cosmetics, and household products due to its strong, pleasant citrus aroma. It is also a common flavouring agent in food and beverages, contributing a zesty lemon note.
Chemical Synthesis Intermediate
As a versatile aldehyde, Citral serves as a crucial building block in organic synthesis. It is a precursor for the production of ionones, which are important in perfumery, and also for the synthesis of Vitamin A and E.
Research and Development
This compound is utilised in various research settings for its chemical properties and biological activities. Its role in synthesis and potential therapeutic applications continues to be explored by scientists.
| Molecular weight | 152.23 |
|---|---|
| Linear formula | (CH3)2C=CHCH2CH2C(CH3)=CHCHO |
| Assay | 94% |
| Boiling point | 229 °C(lit.) |
| Density | 0.888 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.488(lit.) |
| Vapour pressure | 0.2 mmHg (200 °C) |
| Vapour density | 5 (vs air) |

Hazard statements
- H315Causes skin irritation
- H317May cause an allergic skin reaction
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 95 °C / 203 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 38-43 |
| Safety statements (S) | 24/25-37 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... CYP1A2(1544) |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Citral used for?
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Citral is primarily used in the fragrance and flavour industry for its lemon scent and taste, and as an intermediate in the synthesis of vitamins and other aroma chemicals.
What are the CAS number and formula for Citral?
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The CAS number for Citral is 5392-40-5. Its linear formula is (CH3)2C=CHCH2CH2C(CH3)=CHCHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Citral with an assay of 94%. This product is intended for research and industrial use and is not represented as USP, BP, or EP grade.
How should Citral be handled safely?
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Citral is classified as a warning substance (GHS07) and may cause skin irritation (H315) and allergic skin reactions (H317). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, should be used. Refer to the Safety Data Sheet for detailed handling instructions.
Is Citral a controlled substance?
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Based on the provided data, Citral is not indicated as a controlled substance.
How is Citral packed and shipped?
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Citral is available for export globally by Tech Serve Solutions. Packaging details are confirmed upon order.
How can I request a sample or quote for Citral?
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To request a sample or a quote for Citral, please contact the Tech Serve Solutions sales team directly through our website or by phone.
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