Overview
Allyl acetoacetate (CAS 1118-84-9 ), also known as allyl acetylacetate, is a reactive ester used as a chemical intermediate and flavoring agent across pharmaceutical, cosmetic, and food industries.
Its dual functionality, combining an active methylene group with a polymerizable allyl moiety, makes it a building block for synthesis and a carrier in formulated products.
In pharmaceutical manufacturing, it serves as a synthetic intermediate for active pharmaceutical ingredients where controlled reactivity at the methylene position is required for complex synthesis.
Flavor and fragrance formulators incorporate it into compositions targeting fruity, herbaceous, or green scent profiles, particularly in fine fragrance and food flavoring applications.
Cosmetic chemists use it as a carrier and reactive component in skin-care and hair-care formulations where controlled release or film-forming properties are needed for performance.
It also functions as a crosslinking or co-monomer component in specialty polymer and resin systems, providing versatility for industrial material science and chemical engineering projects.
Allyl acetoacetate is supplied as a clear to pale yellow liquid in standard drum and IBC packaging suited to industrial procurement volumes and global logistics requirements.
Technical and reagent-grade specifications are the most commonly available, with purity levels typically at 97% or higher. Buyers should confirm compliance with relevant FEMA codes.
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Physical Properties
| Melting Point | -85 °C |
| Boiling Point | 84-85 °C @ Press: 10 Torr |
| Density | 1.0366 g/cm³ @ Temp: 25 °C |
| Flash Point | 75 °C |
| Appearance | clear colorless to slightly yellow liquid |
| Color | Colorless to Light yellow to Light orange |
| Form | clear liquid |
| Water Solubility | 50 g/L (20 ºC) |
| Vapor Pressure | 0.2 hPa (20 °C) |
| Refractive Index | n 20/D 1.439(lit.) |
| pH | 3.7 (48g/l, H2O, 20℃) |
| Log P | 0.146 at 27℃ |
Safety & Handling
Danger GHS06 GHS07 Hazard Statements H301 Toxic if swallowed H302 Harmful if swallowed H311 Toxic in contact with skin H315 Causes skin irritation Precautionary Statements P262 Do not get in eyes, on skin, or on clothing. P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection. P316 Get emergency medical help immediately. P321 Specific treatment (see … on this label). P330 Rinse mouth. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P301+P316 Get emergency medical help immediately. P301+P317 Get emergency medical help. P302+P352 IF ON SKIN: Wash with plenty of water. P332+P317 Get emergency medical help. P361+P364 Take off immediately all contaminated clothing and wash it before reuse. P362+P364 Take off contaminated clothing and wash it before reuse.
Trade & Regulatory
| HS Code | 29183000 |
| UN Number | 2810 |
| ADR Class | 6.1 |
| Packing Group | III |
| Storage Class | 6.1C - Combustible, acute toxic Cat.3 toxic compounds or compounds which causing chronic effects |
| WGK (Germany) | 1 |
Other Names
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Chemical Properties
- CAS Number
- 1118-84-9
- EC Number
- 214-269-9
- Mol. Weight
- 142.15
- HS Code
- 29183000
- Category
- Pharmaceutical Intermediates