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EC number: 251-823-9 | CAS number: 34090-76-1
- 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
Phototransformation in air
Administrative data
Link to relevant study record(s)
Description of key information
Photolysis in air of 4-MTHPA was estimated by QSAR calculation using EPIWIN. The rate constant was determined to be 20.288 E-12 cm3/molecule-sec and the photodegradation halflife is estimated as 18.979 hours
Similar calculation has been performed for different isomeric forms of MTHPA. The rate constant was determined to be 61.2669 -90.6536 X 10 E-12 cm3/molecule-sec and the photodegradation halflife is estimated as 1.416 -2.095 hr (Range given for different isomeric forms of MTHPA).
Key value for chemical safety assessment
- Half-life in air:
- 19 h
Additional information
Photolysis in air of 4-MTHPA was estimated by QSAR calculation using EPIWIN. The rate constant was determined to be 20.288 E-12 cm3/molecule-sec and the photodegradation halflife is estimated as 18.979 hours.
Similar calculation has been performed for different isomeric forms of MTHPA. The rate constant was determined to be 61.2669 -90.6536 X 10 E-12 cm3/molecule-sec and the photodegradation halflife is estimated as 1.416 -2.095 hours (range given for different isomeric forms of MTHPA).
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