Registration Dossier
Registration Dossier
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EC number: 201-944-8 | CAS number: 89-83-8
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Endpoint summary
Administrative data
Description of key information
Thymol is readily biodegradable with 83% biodegradation observed in 28 days at 0.8 mg/L test concentration. Meanwhile, it is inherently biodegradable with 94% biodegradation observed in 5 days. No further simulation tests and hydrolysis study are considered necessary, since thymol is readily biodegradable.
Thymol is not bioaccumulative in aquatic organisms with measured BCF of ≤ 48 at 1 µg/L and 7.8 -19 at 10 µg/L. Simultaneously, thymol has a moderate adsorption potential in solid/sludge with an estimated log Koc of 3.17.
Thymol is non-volatile with a calculated Henry's law constant of 0.122 Pa*m³/mol. The estimated half-life in air of thymol is 3.6 h, which is much shorter than 48 hours; and hence no potential for long-range transport of thymol in air is expected.
The distribution calculation (Mackay level I) showed that the main target compartment for thymol is water of 67.8 %, soil of 10.7 % and sediment of 10.8%, followed by air of 10.6 %.
Additional information
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