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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Diss Factsheets
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EC number: 800-426-4 | CAS number: 1373883-45-4
- 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
Toxicological Summary
- Administrative data
- Workers - Hazard via inhalation route
- Workers - Hazard via dermal route
- Workers - Hazard for the eyes
- Additional information - workers
- General Population - Hazard via inhalation route
- General Population - Hazard via dermal route
- General Population - Hazard via oral route
- General Population - Hazard for the eyes
- Additional information - General Population
Administrative data
Workers - Hazard via inhalation route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 26.1 mg/m³
- Most sensitive endpoint:
- repeated dose toxicity
- Route of original study:
- Oral
DNEL related information
- DNEL derivation method:
- ECHA REACH Guidance
- Overall assessment factor (AF):
- 25
- Modified dose descriptor starting point:
- NOAEC
- Value:
- 653.2 mg/m³
- Explanation for the modification of the dose descriptor starting point:
- NOAECcorr = NOAELoral*(1/0.38 m³/kg bw/day)*(ABSoral-rat/ABSinh-human)*(6.7 m³ (8h)/10 m³ (8h)) = 741 mg/kg bw/day*(1/0.38 m³/kg bw/day)*0.67*(0.5/1) = 653.2 mg/m³. It is assumed that oral absorption rate is 50% of that of inhalation absorption. ABSoral-rat=oral absorption rate in rats, ABSinh-human=inhalation absorption rate in humans.
- AF for dose response relationship:
- 1
- Justification:
- DNEL is based on a NOAEL
- AF for differences in duration of exposure:
- 2
- Justification:
- DNEL is based on a subchronic study
- AF for interspecies differences (allometric scaling):
- 1
- Justification:
- AF not used for inhalation route
- AF for other interspecies differences:
- 2.5
- Justification:
- Default AF
- AF for intraspecies differences:
- 5
- Justification:
- Default AF for workers
- AF for the quality of the whole database:
- 1
- Justification:
- The selected study is the most adequate and reliable study
- AF for remaining uncertainties:
- 1
- Justification:
- No remaining uncertainties
Acute/short term exposure
- Hazard assessment conclusion:
- hazard unknown (no further information necessary)
DNEL related information
Local effects
Long term exposure
- Hazard assessment conclusion:
- hazard unknown (no further information necessary)
Acute/short term exposure
- Hazard assessment conclusion:
- hazard unknown (no further information necessary)
DNEL related information
Workers - Hazard via dermal route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 74.1 mg/kg bw/day
- Most sensitive endpoint:
- repeated dose toxicity
- Route of original study:
- Oral
DNEL related information
- DNEL derivation method:
- ECHA REACH Guidance
- Overall assessment factor (AF):
- 100
- Modified dose descriptor starting point:
- NOAEL
- Value:
- 7 410 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
- NOAELcorr = NOAELoral*(ABSoral-rat/ABSdermal-human) = (741 mg/kg bw/day)*(1/0.1) = 7410 mg/kg bw/day. It is assumed that the dermal absorption rate is 10% of that of the oral absorption according to ECHA CSA Guidance Chapter R.7c Figure R.7.12-5. ABSoral-rat=oral absorption rate in rats, ABSdermal-human=dermal absorption rate in humans.
- AF for dose response relationship:
- 1
- Justification:
- DNEL is based on a NOAEL
- AF for differences in duration of exposure:
- 2
- Justification:
- DNEL is based on a subchronic study
- AF for interspecies differences (allometric scaling):
- 4
- Justification:
- Default AF for rats
- AF for other interspecies differences:
- 2.5
- Justification:
- Default AF
- AF for intraspecies differences:
- 5
- Justification:
- Default AF for workers
- AF for the quality of the whole database:
- 1
- Justification:
- The selected study is the most adequate and reliable study
- AF for remaining uncertainties:
- 1
- Justification:
- No remaining uncertainties
Acute/short term exposure
- Hazard assessment conclusion:
- no hazard identified
- Most sensitive endpoint:
- acute toxicity
- Route of original study:
- Dermal
DNEL related information
Local effects
Long term exposure
- Hazard assessment conclusion:
- hazard unknown (no further information necessary)
Acute/short term exposure
- Hazard assessment conclusion:
- no hazard identified
- Most sensitive endpoint:
- skin irritation/corrosion
Workers - Hazard for the eyes
Local effects
- Hazard assessment conclusion:
- no hazard identified
Additional information - workers
General Population - Hazard via inhalation route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 6.4 mg/m³
- Most sensitive endpoint:
- repeated dose toxicity
- Route of original study:
- Oral
DNEL related information
- DNEL derivation method:
- ECHA REACH Guidance
- Overall assessment factor (AF):
- 50
- Modified dose descriptor starting point:
- NOAEC
- Value:
- 322.2 mg/m³
- Explanation for the modification of the dose descriptor starting point:
- NOAECcorr = NOAELoral*(1/1.15 m³/kg bw/day)*(ABSoral-rat/ABSinh-human) = 741 mg/kg bw/day*(1/1.15 m³/kg bw/day)*(0.5/1) = 322.2 mg/m³. It is assumed that oral absorption rate is 50% of that of inhalation absorption. ABSoral-rat=oral absorption rate in rats, ABSinh-human=inhalation absorption rate in humans.
- AF for dose response relationship:
- 1
- Justification:
- DNEL is based on a NOAEL
- AF for differences in duration of exposure:
- 2
- Justification:
- DNEL is based on a subchronic study
- AF for interspecies differences (allometric scaling):
- 1
- Justification:
- AF not used for inhalation route
- AF for other interspecies differences:
- 2.5
- Justification:
- Default AF
- AF for intraspecies differences:
- 10
- Justification:
- Default AF for general population
- AF for the quality of the whole database:
- 1
- Justification:
- The selected study is the most adequate and reliable study
- AF for remaining uncertainties:
- 1
- Justification:
- No remaining uncertainties
Acute/short term exposure
- Hazard assessment conclusion:
- hazard unknown (no further information necessary)
DNEL related information
Local effects
Long term exposure
- Hazard assessment conclusion:
- hazard unknown (no further information necessary)
Acute/short term exposure
- Hazard assessment conclusion:
- hazard unknown (no further information necessary)
DNEL related information
General Population - Hazard via dermal route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 37 mg/kg bw/day
- Most sensitive endpoint:
- repeated dose toxicity
- Route of original study:
- Oral
DNEL related information
- DNEL derivation method:
- ECHA REACH Guidance
- Overall assessment factor (AF):
- 200
- Modified dose descriptor starting point:
- NOAEL
- Value:
- 7 410 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
- NOAELcorr = NOAELoral*(ABSoral-rat/ABSdermal-human) = (741 mg/kg bw/day)*(1/0.1) = 7410 mg/kg bw/day. It is assumed that the dermal absorption rate is 10% of that of the oral absorption according to ECHA CSA Guidance Chapter R.7c Figure R.7.12-5. ABSoral-rat=oral absorption rate in rats, ABSdermal-human=dermal absorption rate in humans.
- AF for dose response relationship:
- 1
- Justification:
- DNEL is based on a NOAEL
- AF for differences in duration of exposure:
- 2
- Justification:
- DNEL is based on a subchronic study
- AF for interspecies differences (allometric scaling):
- 4
- Justification:
- Default AF for rats
- AF for other interspecies differences:
- 2.5
- Justification:
- Default AF
- AF for intraspecies differences:
- 10
- Justification:
- Default AF for general population
- AF for the quality of the whole database:
- 1
- Justification:
- The selected study is the most adequate and reliable study
- AF for remaining uncertainties:
- 1
- Justification:
- No remaining uncertainties
Acute/short term exposure
- Hazard assessment conclusion:
- no hazard identified
- Most sensitive endpoint:
- acute toxicity
- Route of original study:
- Dermal
DNEL related information
Local effects
Long term exposure
- Hazard assessment conclusion:
- hazard unknown (no further information necessary)
Acute/short term exposure
- Hazard assessment conclusion:
- no hazard identified
- Most sensitive endpoint:
- skin irritation/corrosion
General Population - Hazard via oral route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 3.7 mg/kg bw/day
- Most sensitive endpoint:
- repeated dose toxicity
- Route of original study:
- Oral
DNEL related information
- DNEL derivation method:
- ECHA REACH Guidance
- Overall assessment factor (AF):
- 200
- Modified dose descriptor starting point:
- NOAEL
- Value:
- 741 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
- No route-to-route extrapolation is required.
- AF for dose response relationship:
- 1
- Justification:
- DNEL is based on a NOAEL
- AF for differences in duration of exposure:
- 2
- Justification:
- DNEL is based on a subchronic study
- AF for interspecies differences (allometric scaling):
- 4
- Justification:
- Default AF for rats
- AF for other interspecies differences:
- 2.5
- Justification:
- Default AF
- AF for intraspecies differences:
- 10
- Justification:
- Default AF for general population
- AF for the quality of the whole database:
- 1
- Justification:
- The selected study is the most adequate and reliable study
- AF for remaining uncertainties:
- 1
- Justification:
- No remaining uncertainties
Acute/short term exposure
- Hazard assessment conclusion:
- no hazard identified
- Most sensitive endpoint:
- acute toxicity
- Route of original study:
- Oral
DNEL related information
General Population - Hazard for the eyes
Local effects
- Hazard assessment conclusion:
- no hazard identified
Additional information - General Population
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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