Overview
Cinnamaldehyde (CAS 104-55-2 ), also known as 3-phenylacrylaldehyde, is the primary aromatic compound responsible for the characteristic flavor and scent of cinnamon. It functions as a flavoring agent in food products and as a fragrance ingredient in cosmetic and personal care formulations.
In food manufacturing, it is used to impart cinnamon flavor to baked goods, confectionery, beverages, and chewing gum at precisely controlled concentrations. Flavor houses incorporate it into compounded flavor systems where a warm, spicy profile is required.
This compound is essential for creating profiles without the use of whole spice extracts. In personal care, it is used in fragrance blends for toothpaste, mouthwash, and oral care products where its flavor intensity allows for low use levels.
Cosmetic formulators also use it in perfumery and scented skin care products targeting warm or oriental fragrance profiles. The material is supplied as a clear to pale yellow liquid in standard packaging ranging from small drums to bulk quantities.
It is available in food-grade and technical-grade specifications, with food-grade material conforming to FCC and other purity standards relevant to flavoring applications. This ensures safety and consistency across various industrial batches.
Natural and synthetic (nature-identical) grades are both commercially available for global distribution. This is an important distinction for formulators working under clean-label or natural sourcing requirements in the modern chemical market.
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Physical Properties
| Melting Point | -7.5 °C |
| Boiling Point | 125-128 °C @ Press: 11 Torr |
| Density | 1.048-1.052 g/cm³ @ Temp: 25 °C |
| Flash Point | 160 °F |
| Appearance | Combustible, yellowish, oily liquid (thickens on exposure to air). Strong pungent, spicy, cinnamon odor. |
| Color | Clear yellow |
| Odor | Strong odor of cinnamon |
| Form | Liquid |
| Water Solubility | Slightly soluble |
| Vapor Pressure | <0.1 hPa (20 °C) |
| Refractive Index | n 20/D 1.622(lit.) |
| Log P | 1.83-2.1 at 25-27℃ |
Safety & Handling
Warning GHS07 Hazard Statements H317 May cause an allergic skin reaction [Warning Sensitization, Skin] H312 Harmful in contact with skin [Warning Acute toxicity, dermal] H315 Causes skin irritation [Warning Skin corrosion/irritation] H319 Causes serious eye irritation [Warning Serious eye damage/eye irritation] H335 May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation] H401 Toxic to aquatic life [Hazardous to the aquatic environment, acute hazard]
Trade & Regulatory
| HS Code | 29122900 |
| UN Number | 8027 |
| WGK (Germany) | 3 |
Other Names
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Chemical Properties
- CAS Number
- 104-55-2
- EC Number
- 203-213-9
- Mol. Weight
- 132.16
- HS Code
- 29122900
- Category
- Flavors & Fragrances