Registration Dossier
Registration Dossier
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EC number: 200-464-6 | CAS number: 60-24-2
Toxicological Summary
Administrative data
Workers - Hazard via inhalation route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 0.17 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):
- 75
- Dose descriptor starting point:
- NOAEL
- Value:
- 15 mg/kg bw/day
- Modified dose descriptor starting point:
- NOAEC
- Value:
- 13 mg/m³
- Explanation for the modification of the dose descriptor starting point:
The following correction was made to the NOAEL (oral): Correction respiratory volume rat (8 hour) 1/0.38 m³/kg bw/day, Correction for respiratory volume (worker): 6.7 m³/10 m³. Correction for oral to inhaled 1/2. Therefore the corrected NOAEC for repeated-dose systemic effects via the inhalation route is: 15 x 1/0.38 m³/kg/day x 1/2 x 6.7 m³ /10 m³ = 13 mg/ m³.
- AF for dose response relationship:
- 1
- Justification:
- Default
- AF for differences in duration of exposure:
- 6
- Justification:
- Default (subacute to chronic)
- AF for interspecies differences (allometric scaling):
- 1
- Justification:
- Default (oral rat to inhalation human)
- AF for other interspecies differences:
- 2.5
- Justification:
- Default
- AF for intraspecies differences:
- 5
- Justification:
- Default (workers)
- AF for the quality of the whole database:
- 1
- Justification:
- Default
Acute/short term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 0.17 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):
- 75
- DNEL extrapolated from long term DNEL
- Dose descriptor starting point:
- NOAEL
- Value:
- 15 mg/kg bw/day
- Modified dose descriptor starting point:
- NOAEC
- Value:
- 13 mg/m³
- Explanation for the modification of the dose descriptor starting point:
The following correction was made to the NOAEL (oral): Correction respiratory volume rat (8 hour) 1/0.38 m³/kg bw/day, Correction for respiratory volume (worker): 6.7 m³/10 m³. Correction for oral to inhaled 1/2. Therefore the corrected NOAEC for repeated-dose systemic effects via the inhalation route is: 15 x 1/0.38 m³/kg/day x 1/2 x 6.7 m³ /10 m³ = 13 mg/ m³.
- AF for dose response relationship:
- 1
- Justification:
- Default
- AF for interspecies differences (allometric scaling):
- 1
- Justification:
- Default (oral rat to inhalation human)
- AF for other interspecies differences:
- 2.5
- Justification:
- Default
- AF for intraspecies differences:
- 5
- Justification:
- Default
- AF for the quality of the whole database:
- 1
- Justification:
- Default
Local effects
Long term exposure
- Hazard assessment conclusion:
- no hazard identified
Acute/short term exposure
- Hazard assessment conclusion:
- no hazard identified
DNEL related information
Workers - Hazard via dermal route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 0.05 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):
- 300
- Dose descriptor starting point:
- NOAEL
- Value:
- 15 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
No modification is required.
- AF for dose response relationship:
- 1
- Justification:
- Default
- AF for differences in duration of exposure:
- 6
- Justification:
- Default (subacute to chronic)
- AF for interspecies differences (allometric scaling):
- 4
- Justification:
- Default (oral rat to dermal human)
- AF for other interspecies differences:
- 2.5
- Justification:
- Default
- AF for intraspecies differences:
- 5
- Justification:
- Default (workers)
- AF for the quality of the whole database:
- 1
- Justification:
- Default
Acute/short term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 0.05 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):
- 300
- DNEL extrapolated from long term DNEL
- Dose descriptor starting point:
- NOAEL
- Value:
- 15 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
No modification is required.
- AF for dose response relationship:
- 1
- Justification:
- Default
- AF for interspecies differences (allometric scaling):
- 4
- Justification:
- Default (oral rat to dermal human)
- AF for other interspecies differences:
- 2.5
- Justification:
- Default
- AF for intraspecies differences:
- 5
- Justification:
- Default
- AF for the quality of the whole database:
- 1
- Justification:
- Default
Local effects
Long term exposure
- Hazard assessment conclusion:
- no hazard identified
Acute/short term exposure
- Hazard assessment conclusion:
- no hazard identified
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:
- no hazard identified
Acute/short term exposure
- Hazard assessment conclusion:
- no hazard identified
DNEL related information
Local effects
Long term exposure
- Hazard assessment conclusion:
- no hazard identified
Acute/short term exposure
- Hazard assessment conclusion:
- no hazard identified
DNEL related information
General Population - Hazard via dermal route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- no hazard identified
Acute/short term exposure
- Hazard assessment conclusion:
- no hazard identified
DNEL related information
Local effects
Long term exposure
- Hazard assessment conclusion:
- no hazard identified
Acute/short term exposure
- Hazard assessment conclusion:
- no hazard identified
General Population - Hazard via oral route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 0.025 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):
- 600
- Dose descriptor starting point:
- NOAEL
- Value:
- 15 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
No correction to dose descriptor starting point is required.
- AF for dose response relationship:
- 1
- Justification:
- Default
- AF for differences in duration of exposure:
- 6
- Justification:
- Default (subacute to chronic)
- AF for interspecies differences (allometric scaling):
- 4
- Justification:
- Default (oral rat to oral human)
- AF for other interspecies differences:
- 2.5
- Justification:
- Default
- AF for intraspecies differences:
- 10
- Justification:
- Default (general population)
- AF for the quality of the whole database:
- 1
- Justification:
- Default
- AF for remaining uncertainties:
- 1
- Justification:
- Default
Acute/short term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 0.025 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):
- 600
- DNEL extrapolated from long term DNEL
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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