Registration Dossier
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EC number: 203-577-9 | CAS number: 108-39-4
- 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

Carcinogenicity
Administrative data
Description of key information
There is no carcinogenicity bioassay or other chronic study available to assess the carcinogenic potential of m-cresol.
However, for read across purposes, the recently published studies on carcinogenicity with m/p-cresol mixture (60:40; US Department of Health and Human services 2007) is considered. .
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Key value for chemical safety assessment
Justification for classification or non-classification
Additional information
There is no carcinogenicity bioassay or other chronic study available to assess the carcinogenic potential of m-cresol.
However, for read across purposes, the recently published studies on carcinogenicity with m/p-cresol mixture (60:40; US Department of Health and Human services 2007) will be considered.
In 2007, US Health and Human Services published a Toxicity and Carcinogenicity Study in which only male rats or only female mice were fed m/p-cresol mixture over a period of two years without interim kill. Neither absolute/relative organ weights nor blood biochemistry data were reported so far. The report contains only histopathological data.
Rat study
Male F344/N rats received in feed 0. 1500. 5000, and 15000 ppm daily for 105 weeks. Under the condition of these 2-year studies, there was equivocal evidence of carcinogenic activity on m/p-cresol based on the 4/50 male rats with renal tubular adenomas. The incidence of these neoplasms was not significant but exceeded the historical control data of the laboratory (1/297[feed studies]).
Mouse study
Female B6C3F1 mice received in feed 0, 1000, 3000, 10000 ppm for 106-107 weeks. Under the conditions of these 2-year studies there was some evidence of carcinogenic activity of m/p-cresol mixture based on the increased incidence of forestomach squamous cell papillomas. However, there is no human counterpart for the rodent forestomach (Proctor et al., Toxicol Sci 98, 313 -326, 2007). Therefore, the forestomach squamous cell paplillomas are of minor significance for the human situation. In addition, due to the corrosive property of the test substance, chronic irritation is expected to be th mode of action.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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