Fragrance Materials
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* Every descriptor in this database comes from the IFRA Fragrance Glossary 2020 — 229 defined terms, grouped here into the 27 olfactory families that give each descriptor its colour. Terms from other reference works were removed in July 2026; where the glossary holds an entry for the material itself, the freed slot was filled from there. Materials with no glossary entry keep an empty slot rather than a guessed one. The single exception is Solvents, which marks a carrier such as DPG or IPM — those have no odor profile, so they carry no further descriptor. On your own materials you pick from the same 229 terms; a term you saved yourself before that is shown like this. Odor description, note tier and odor impact are not part of the glossary; they are compiled from the reference works and from supplier declarations.
A working reference for perfumers
The Fragrance Material Index collects what you need to know about a raw material before you weigh it: how it smells and how that impression develops, how long it holds on the blotter, what it is chemically, and how far it may be dosed under the IFRA Standards. Aroma chemicals, essential oils, absolutes and solvents are described the same way, so two candidates for the same accord can be compared line by line.
What every entry contains
A written odor description, the note tier (top, heart or base), odor impact and tenacity, three olfactory descriptors, CAS number and INCI name, molecular formula and weight, boiling, melting and flash point, density, refractive index, vapour pressure, logP and solubility. Regulated materials additionally carry their IFRA maximum concentration for all eighteen product categories, the restricted components they contain, and the substances that must appear on the label under Annex III of the EU Cosmetics Regulation.
How to read the figures
The values are guide values gathered from public reference works and supplier declarations. Natural materials in particular differ between batches, origins and qualities, so the data sheet of your own supplier is always the authoritative document for the material you actually use.
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