Information about the active substance



Geraniol (CAS No.: 106-24-1) is a colourless to yellow fluid with a rose aroma. It is a frequent component of many plants and herbs as ethereal oil. As natural resources cannot meet the global requirements for geraniol and all of its possible applications an ultrapure synthetic geraniol is used in many areas. Synthetic geraniol is an intermediate industrial product in the production of scents and flavours e.g. citronell and citral.

Geraniol is one of the most versatile substances that accompany us in modern everyday life.

Geraniol is in many everyday products such as body care and cleaning products but also in bakery products, confectionary, drinks and milk products.

Also the possibilities for medical use are wide ranging. The potential of this versatile molecule ranges from aroma therapy to targeted combat of cancer cells. Due to all of these different possibilities of use geraniol is today the most researched substance that accompanies man.

Evaluation of risks to humans

Geraniol is itself a weak contact allergen, whereas its auto-oxidation products can have a strong allergic effect. Therefore the use of geraniol, for example in the cosmetic industry, is subject to clearly defined rules and labelling obligation according to the amount used. Based on studies of well known laboratories the "representative formulas" registered by Fulltec AG as part of European active agent notification are exempted from labelling obligation.

Evaluation of risks to the environment

The extent of the biological degradability of geraniol was defined as "readily biodegradable"  according to OECD Guideline No. 301F for biodegradability. Geraniol is therefore not considered to be dangerous to the environment.


Technical Specifications

Physical state: fluid
Molecular weight: 154,25 g mol−1
Density: 0,89 g cm−3
Vapour pressure: 27 Pa (20°C)
Boiling point: 225°C – 230°C


Melting point: -15°C
Solubility: not easily dissoluble in water (686 mg l−1 bei 20°C)
Refractive index: 1,4766 (20°C)
Toxicology: 3600 mg kg-1 (LD 50, rat, oral)


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