Overview
Methyl heptine carbonate (CAS 111-12-6 ), also known as Methyl 2-Octynoate and commercially as Folione, is a high-impact aroma chemical used in flavor and fragrance manufacturing.
At trace concentrations, it delivers a sharp, violet-leaf and green character that defines its value to formulators working with fine fragrance and flavor systems.
In perfumery, it anchors green, leafy topnotes in fine fragrances, colognes, and functional fragrance products where naturalistic freshness is required for the final profile.
Flavor houses use it at very low usage levels to replicate violet, orris, and green vegetable profiles in confectionery, beverage, and savory applications across the industry.
It carries FEMA 2729 status supporting its use in food-grade flavor formulations. In personal care, it appears in shampoos, body washes, and fabric care products.
Its potency means small quantities contribute significantly to finished formulations, which remains a key consideration for industrial cost-in-use calculations and efficiency.
The chemical is supplied as a clear liquid, typically at high purity levels suited to fragrance and flavor end uses. It is available in fragrance-grade and food-grade specifications.
Packaging ranges from small quantities for laboratory and development use up to bulk drum supply for industrial fragrance production and large scale manufacturing needs.
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Physical Properties
| Boiling Point | 217 °C |
| Density | 0.92 g/mL at 25 °C(lit.) |
| Flash Point | 192 °F |
| Appearance | Colorless liquid; strong violet-type odor. Sol-uble in most fixed oils and mineral oil; soluble infive parts of 70% alcohol. Combustible. |
| Color | Clear Colourless |
| Odor | at 1.00 % in dipropylene glycol. green leafy waxy violet cucumber |
| Form | neat |
| Vapor Pressure | 10.6-13.9Pa at 20-25℃ |
| Refractive Index | n 20/D 1.446(lit.) |
| Log P | 3 at 20℃ and pH7 |
Safety & Handling
Warning GHS07 Hazard Statements H302 Harmful if swallowed H317 May cause an allergic skin reaction Precautionary Statements P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P272 Contaminated work clothing should not be allowed out of the workplace. P280 Wear protective gloves/protective clothing/eye protection/face protection. P321 Specific treatment (see … on this label). P330 Rinse mouth. P501 Dispose of contents/container in accordance with local regulations. P301+P317 Get emergency medical help. P302+P352 IF ON SKIN: Wash with plenty of water. P333+P317 Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse.
Trade & Regulatory
| HS Code | 29161900 |
| Storage Class | 10 - Combustible liquids |
| WGK (Germany) | 2 |
Other Names
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Chemical Properties
- CAS Number
- 111-12-6
- EC Number
- 203-836-6
- Mol. Weight
- 154.21
- HS Code
- 29161900
- Category
- Organic Acids