Overview
Hydroxycitronellal (CAS 107-75-5 ), also known as Citronellal hydrate, is a synthetic fragrance aldehyde used extensively in perfumery and flavor compounding. With a soft, sweet, lily-of-the-valley floral character, it functions as a key odorant and fixative.
In fine fragrance and functional perfumery, it forms the floral heart of lily, muguet, and sweet floral accords across eau de parfum, cologne, and body care formats. Personal care formulators incorporate it into shampoos, lotions, and soaps.
This versatile ingredient is essential where a clean, long-lasting floral note is required. As a FEMA 2583 -listed flavoring agent, it is used at controlled levels in food and beverage applications to impart delicate floral-sweet nuances.
Printing and packaging fragrance systems also utilize it in scented inks and coatings where stable, diffusible floral character is needed. Its chemical stability makes it a reliable choice for diverse industrial applications.
The product is supplied as a clear to pale yellow liquid. It is available in fragrance-grade and food-grade specifications to meet the sourcing requirements of both flavor houses and cosmetic manufacturers.
Standard packaging ranges from drums to IBCs for bulk procurement. Our material meets rigorous quality benchmarks to ensure consistency in every batch, supporting large-scale manufacturing needs across the globe.
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Physical Properties
| Melting Point | 22-23 °C |
| Boiling Point | 241 °C |
| Density | 0.9177 g/cm³ @ Temp: 25 °C |
| Flash Point | >230 °F |
| Appearance | clear colourless liquid |
| Color | Clear colorless |
| Odor | at 100.00 %. floral lily sweet green waxy tropical melon |
| Form | Liquid |
| Water Solubility | 35g/L at 20℃ |
| Vapor Pressure | 0.547Pa at 20℃ |
| Refractive Index | n 20/D 1.448(lit.) |
| Log P | 1.68 at 25℃ |
Safety & Handling
Warning GHS07 Hazard Statements H317 May cause an allergic skin reaction [Warning Sensitization, Skin] H319 Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Trade & Regulatory
| HS Code | 29124990 |
| UN Number | 1230 |
| Packing Group | II |
| Storage Class | 10 - Combustible liquids |
| WGK (Germany) | 1 |
Other Names
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Chemical Properties
- CAS Number
- 107-75-5
- EC Number
- 203-518-7
- Mol. Weight
- 172.26
- HS Code
- 29124990
- Category
- Flavors & Fragrances