Coumarin
Description
Sweet, herbaceous-warm, somewhat spicy odor, in extreme dilution more haylike, nut- Iike, tobacco-like. Extensively used in perfumery to support herbaccous odors, Lavender, Lavandin, Rosemary, Citrus oils, Oakmoss, etc, and as a fixative in numerous types of fragrances; Almost a standard ingredient in Fougère types with Amylsalicylate and Lavender-notes, with or without Oakmoss.
General Information
| Alt Name | 1-benzopyran-2-one |
|---|---|
| Category | Aromatic Compound |
| IUPAC Name | chromen-2-one |
| CAS Number | 91-64-5 |
| Molecular Weight | 146.14 g/mol |
| Canonical SMILES | C1=CC=C2C(=C1)C=CC(=O)O2 |
Organoleptic Properties
| Odor Family | Tobacco/Hay |
|---|---|
| Odor Strength | 1 2 3 4 5 |
| Odor Description | Coumarinic, Hay, New Mown Hay, Sweet, Tonka |
| Usage Level | 1% in the fragrance concentrate |
| Substantivity | 364 hours at 100% |
Physical Properties
| Appearance | White crystals (est) |
|---|---|
| Vapor Pressure | 0.1 mmHg @ 20 °C. |
| Vapor Density | 5.1 ( Air = 1 ) |
| Boiling Point | 297 to 301 °C. @ 760 mm Hg |
| Flash Point | > 200 °F. TCC ( > 93 °C. ) |
| Congealing Point | 68 °C. |
| Melting Point | 68 to 74 °C. @ 760 mm Hg |
| XLogP | 1.4 |
| Shelf Life | 24 months if stored properly |
| Storage | Store in cool, dry place in tightly sealed containers, protected from heat and light. |
IFRA
| Standard | https://ifrafragrance.org/standards/IFRA_STD_023.pdf | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Category | Fragrance agents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Critical Effect | Dermal sensitization and systemic toxicity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Restrictions Usage limits in the finished product |
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Safety Information
| Hazard Statement | H301 - Toxic if swallowed H402 - Harmful to aquatic life H412 - Harmful to aquatic life with long-lasting effects |
|---|---|
| Precautionary Statement | P264 - Wash … thoroughly after handling P270 - Do not eat, drink or smoke when using this product P273 - Avoid release to the environment P301 + P310 - IF SWALLOWED: Immediately call a POISON CENTER/doctor/… P321 - Specific treatment (see … on this label) P330 - Rinse mouth P405 - Store locked up P501 - Dispose of contents/container in accordance with local/regional/national/international regulations. |
| R-phrases | R22 - Harmful if swallowed R43 - May cause sensitisation by skin contact |
| S-phrases | S02 - Keep out of the reach of children S20/21 - When using do not eat, drink or smoke S24/25 - Avoid contact with skin and eyes S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice S37/39 - Wear suitable gloves and eye/face protection |
| Europe Standard Hazard | Xn - Harmful |
