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Workers - Hazard via inhalation route

Systemic effects

Long term exposure
Hazard assessment conclusion:
DNEL (Derived No Effect Level)
Value:
15.4 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):
25
Dose descriptor starting point:
NOAEC
Value:
765 mg/m³
Modified dose descriptor starting point:
NOAEC
Value:
384 mg/m³
Explanation for the modification of the dose descriptor starting point:

Modification for exposure: 6/8 (Rat Exposure condition (6h) / Worker Exposure condition (8 h) 


Modification for respiratory volume: 6.7/10 (respiratory rate difference under standard conditions and under conditions of light activity for 8 hours)

AF for dose response relationship:
1
Justification:
Default (DNEL generation plugin)
AF for differences in duration of exposure:
2
Justification:
sub-chronic to chronic extrapolation
AF for interspecies differences (allometric scaling):
1
Justification:
Default
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
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

Workers - Hazard via dermal route

Systemic effects

Long term exposure
Hazard assessment conclusion:
DNEL (Derived No Effect Level)
Value:
0.418 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:
89.5 mg/kg bw/day
Value:
125.3 mg/kg bw/day
Explanation for the modification of the dose descriptor starting point:

Default (DNEL generation plugin)

AF for dose response relationship:
1
Justification:
Default (DNEL generation plugin)
AF for differences in duration of exposure:
6
Justification:
Default (DNEL generation plugin)
AF for interspecies differences (allometric scaling):
4
Justification:
Default (DNEL generation plugin)
AF for other interspecies differences:
2.5
Justification:
Default (DNEL generation plugin)
AF for intraspecies differences:
5
Justification:
Default (DNEL generation plugin)
AF for the quality of the whole database:
1
Justification:
Default (DNEL generation plugin)
Acute/short term exposure
Hazard assessment conclusion:
no hazard identified
DNEL related information

Local effects

Long term exposure
Hazard assessment conclusion:
medium hazard (no threshold derived)
Acute/short term exposure
Hazard assessment conclusion:
medium hazard (no threshold derived)

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:
2.74 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
Dose descriptor starting point:
NOAEC
Value:
765 mg/m³
Modified dose descriptor starting point:
NOAEC
Value:
137 mg/m³
Explanation for the modification of the dose descriptor starting point:

Modification for exposure: (6/24)*(5/7) (Rat Exposure condition (6h – 5/7 days) / General population Exposure condition (24 h – 7/7 days)

AF for dose response relationship:
1
Justification:
Default
AF for differences in duration of exposure:
2
Justification:
sub-chronic to chronic extrapolation
AF for interspecies differences (allometric scaling):
1
Justification:
Default
AF for other interspecies differences:
2.5
Justification:
Default
AF for intraspecies differences:
10
Justification:
Default
AF for the quality of the whole database:
1
Justification:
Default
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:
DNEL (Derived No Effect Level)
Value:
0.149 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:
89.5 mg/kg bw/day
Value:
89.5 mg/kg bw/day
Explanation for the modification of the dose descriptor starting point:

Default (DNEL generation plugin)

AF for dose response relationship:
1
Justification:
Default (DNEL generation plugin)
AF for differences in duration of exposure:
6
Justification:
Default (DNEL generation plugin)
AF for interspecies differences (allometric scaling):
4
Justification:
Default (DNEL generation plugin)
AF for other interspecies differences:
2.5
Justification:
Default (DNEL generation plugin)
AF for intraspecies differences:
10
Justification:
Default (DNEL generation plugin)
AF for the quality of the whole database:
1
Justification:
Default (DNEL generation plugin)
Acute/short term exposure
Hazard assessment conclusion:
no hazard identified
DNEL related information

Local effects

Long term exposure
Hazard assessment conclusion:
medium hazard (no threshold derived)
Acute/short term exposure
Hazard assessment conclusion:
medium hazard (no threshold derived)

General Population - Hazard via oral route

Systemic effects

Long term exposure
Hazard assessment conclusion:
DNEL (Derived No Effect Level)
Value:
0.149 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:
89.5 mg/kg bw/day
Value:
89.5 mg/kg bw/day
Explanation for the modification of the dose descriptor starting point:

Default (DNEL generation plugin)

AF for dose response relationship:
1
Justification:
Default (DNEL generation plugin)
AF for differences in duration of exposure:
6
Justification:
Default (DNEL generation plugin)
AF for interspecies differences (allometric scaling):
4
Justification:
Default (DNEL generation plugin)
AF for other interspecies differences:
2.5
Justification:
Default (DNEL generation plugin)
AF for intraspecies differences:
10
Justification:
Default (DNEL generation plugin)
AF for the quality of the whole database:
1
Justification:
Default (DNEL generation plugin)
Acute/short term exposure
Hazard assessment conclusion:
no hazard identified
DNEL related information

General Population - Hazard for the eyes

Local effects

Hazard assessment conclusion:
no hazard identified

Additional information - General Population

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