Coumarin (Crystals)
Coumarin possesses the delicate characteristic sweet odour of Tonka absolute in which it makes up the majority constituent and is probably best known for being the first synthetic material to be used in the art of perfumery.
Extensively used in perfumery to support herbaceous odours, Lavender, Rosemary, Oakmoss, Citrus oils and as a fixative in numerous types of fragrances.
Product specification.
CAS No: 91-64-5
Odour description (decreasing): Sweet, Hay, Tonka, New-mown-hay
Usage: Effective from the smallest traces, through to 1%
Odour Strength: High, recommend smelling in a 10% solution or less
Substantivity: > 364 hour(s) at 10% in DPG
Solvent: None
Synonyms: 1-benzopyran-2-one
IFRA: Restricted – View the standard here and the full library of standards here
Contains: Coumarin
Hazard statements:
- H302 Harmful if swallowed.
- H317 May cause an allergic skin reaction.
- H412 Harmful to aquatic life with long lasting effects.
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
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P330 Rinse mouth
- P333+313 If skin irritation or a rash occurs: Get medical advice/attention
- P363 Wash contaminated clothing before reuse
- P501 Dispose of contents/container in accordance with local regulations
Professional/Industrial use only.





Ola S. (verified owner) –
Good performance
Anonymous (verified owner) –
Perfection!
RJR (verified owner) –
Sweet, warm and powdery soft, they radiate vanilla and almond.
suson.teodor (verified owner) –
Sweet, warm hay-like scent with creamy tonka nuances. Dissolves easily and gives beautiful depth to fougère and oriental accords. Top-quality material and well packed thanks!