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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Workers - Hazard via inhalation route

Systemic effects

Long term exposure
Hazard assessment conclusion:
DNEL (Derived No Effect Level)
Value:
0.05 mg/m³
Most sensitive endpoint:
repeated dose toxicity
Route of original study:
By inhalation
DNEL related information
DNEL derivation method:
other:
Overall assessment factor (AF):
6
Modified dose descriptor starting point:
NOAEC
Value:
0.3 mg/m³
Explanation for the modification of the dose descriptor starting point:
not applicable
AF for dose response relationship:
1
Justification:
The dose response relationship is considered unremarkable, therefore no additional factor is used.
AF for differences in duration of exposure:
2
AF for interspecies differences (allometric scaling):
1
AF for other interspecies differences:
1
AF for intraspecies differences:
3
AF for the quality of the whole database:
1
AF for remaining uncertainties:
1
Acute/short term exposure
Hazard assessment conclusion:
no hazard identified
DNEL related information

Local effects

Long term exposure
Hazard assessment conclusion:
DNEL (Derived No Effect Level)
Value:
0.05 mg/m³
Most sensitive endpoint:
repeated dose toxicity
DNEL related information
DNEL derivation method:
other:
Overall assessment factor (AF):
6
Dose descriptor:
NOAEC
AF for dose response relationship:
1
Justification:
The dose response relationship is considered unremarkable, therefore no additional factor is used.
AF for differences in duration of exposure:
2
AF for interspecies differences (allometric scaling):
1
AF for other interspecies differences:
1
AF for intraspecies differences:
3
AF for the quality of the whole database:
1
AF for remaining uncertainties:
1
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:
0.83 mg/kg bw/day
Most sensitive endpoint:
repeated dose toxicity
Route of original study:
Oral
DNEL related information
DNEL derivation method:
other:
Overall assessment factor (AF):
72
Modified dose descriptor starting point:
NOAEL
Value:
60 mg/kg bw/day
Explanation for the modification of the dose descriptor starting point:
There are no relevant experimental data on repeated dermal exposure. The recommended approach using oral data assuming a two times lower absorption via the dermal route (end route) as compared to the oral route (starting route) is used. For details, please refer to the discussion.
AF for dose response relationship:
1
Justification:
The dose response relationship is considered unremarkable, therefore no additional factor is used.
AF for differences in duration of exposure:
6
AF for interspecies differences (allometric scaling):
4
AF for other interspecies differences:
1
AF for intraspecies differences:
3
AF for the quality of the whole database:
1
AF for remaining uncertainties:
1
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

Workers - Hazard for the eyes

Local effects

Hazard assessment conclusion:
medium hazard (no threshold derived)

Additional information - workers

General Population - Hazard via inhalation route

Systemic effects

Long term exposure
Hazard assessment conclusion:
DNEL (Derived No Effect Level)
Value:
0.03 mg/m³
Most sensitive endpoint:
repeated dose toxicity
Route of original study:
By inhalation
DNEL related information
DNEL derivation method:
other:
Overall assessment factor (AF):
10
Modified dose descriptor starting point:
NOAEC
Value:
0.3 mg/m³
Explanation for the modification of the dose descriptor starting point:
not applicable
AF for dose response relationship:
1
Justification:
The dose response relationship is considered unremarkable, therefore no additional factor is used.
AF for differences in duration of exposure:
2
AF for interspecies differences (allometric scaling):
1
AF for other interspecies differences:
1
AF for intraspecies differences:
5
AF for the quality of the whole database:
1
AF for remaining uncertainties:
1
Acute/short term exposure
Hazard assessment conclusion:
no hazard identified
DNEL related information

Local effects

Long term exposure
Hazard assessment conclusion:
DNEL (Derived No Effect Level)
Value:
0.03 mg/m³
Most sensitive endpoint:
repeated dose toxicity
DNEL related information
DNEL derivation method:
other:
Overall assessment factor (AF):
10
Dose descriptor:
NOAEC
AF for dose response relationship:
1
Justification:
The dose response relationship is considered unremarkable, therefore no additional factor is used.
AF for differences in duration of exposure:
2
AF for interspecies differences (allometric scaling):
1
AF for other interspecies differences:
1
AF for intraspecies differences:
5
AF for the quality of the whole database:
1
AF for remaining uncertainties:
1
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:
DNEL (Derived No Effect Level)
Value:
0.5 mg/kg bw/day
Most sensitive endpoint:
repeated dose toxicity
DNEL related information
DNEL derivation method:
other:
Overall assessment factor (AF):
120
Modified dose descriptor starting point:
NOAEL
Value:
60 mg/kg bw/day
Explanation for the modification of the dose descriptor starting point:
There are no relevant experimental data on repeated dermal exposure. The recommended approach using oral data assuming a two times lower absorption via the dermal route (end route) as compared to the oral route (starting route) is used. For details, please refer to the discussion.
AF for dose response relationship:
1
Justification:
The dose response relationship is considered unremarkable, therefore no additional factor is used.
AF for differences in duration of exposure:
6
AF for interspecies differences (allometric scaling):
4
AF for other interspecies differences:
1
AF for intraspecies differences:
5
AF for the quality of the whole database:
1
AF for remaining uncertainties:
1
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:
0.25 mg/kg bw/day
Most sensitive endpoint:
repeated dose toxicity
DNEL related information
DNEL derivation method:
other:
Overall assessment factor (AF):
120
Modified dose descriptor starting point:
NOAEL
Value:
30 mg/kg bw/day
Explanation for the modification of the dose descriptor starting point:
Not applicable
AF for dose response relationship:
1
Justification:
The dose response relationship is considered unremarkable, therefore no additional factor is used.
AF for differences in duration of exposure:
6
AF for interspecies differences (allometric scaling):
4
AF for other interspecies differences:
1
AF for intraspecies differences:
5
AF for the quality of the whole database:
1
AF for remaining uncertainties:
1
Acute/short term exposure
Hazard assessment conclusion:
no hazard identified
DNEL related information

General Population - Hazard for the eyes

Local effects

Hazard assessment conclusion:
medium hazard (no threshold derived)

Additional information - General Population