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Workers - Hazard via inhalation route

Systemic effects

Long term exposure
Hazard assessment conclusion:
DNEL (Derived No Effect Level)
Value:
0.329 mg/m³
Most sensitive endpoint:
developmental toxicity / teratogenicity
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:
10 mg/kg bw/day
Value:
24.7 mg/m³
Explanation for the modification of the dose descriptor starting point:

Default (DNEL calculator)

AF for dose response relationship:
1
Justification:
Default (DNEL calculator)
AF for differences in duration of exposure:
6
Justification:
Default (DNEL calculator)
AF for interspecies differences (allometric scaling):
1
Justification:
Default (DNEL calculator)
AF for other interspecies differences:
2.5
Justification:
Default (DNEL calculator)
AF for intraspecies differences:
5
Justification:
Default (DNEL calculator)
AF for the quality of the whole database:
1
Justification:
Default (DNEL calculator)
Justification:
Default (DNEL calculator)
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:
0.467 mg/kg bw/day
Most sensitive endpoint:
developmental toxicity / teratogenicity
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:
10 mg/kg bw/day
Value:
140 mg/kg bw/day
Explanation for the modification of the dose descriptor starting point:

Default (DNEL calculator)

AF for dose response relationship:
1
Justification:
Default (DNEL calculator)
AF for differences in duration of exposure:
6
Justification:
Default (DNEL calculator)
AF for interspecies differences (allometric scaling):
4
Justification:
Default (DNEL calculator)
AF for other interspecies differences:
2.5
Justification:
Default (DNEL calculator)
AF for intraspecies differences:
5
Justification:
Default (DNEL calculator)
AF for the quality of the whole database:
1
Justification:
Default (DNEL calculator)
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:
no hazard identified

Additional information - workers

Acute DNELs:

As the substance is classified for acute oral toxicity an acute DNEL should be derived for the general population. However, peak exposure is considered not possible and therefore an acute DNELsystemic will not be derived. The long term DNEL is considered sufficient to cover effects from acute exposure.As an acute toxicity hazard leading to Classification and Labelling of the substance has not been identified

for dermal and inhalation exposure, the long-term DNEL is considered sufficient to ensure that effects from acute exposure to the substance do not occur (in accordance with ECHA Guidance on information requirements and chemical safety assessment: Chapter R.8: Characterisation of dose [concentration]- response for human health, May 2008 and Part B: Hazard Assessment, Draft new chapter B.8 Scope of Exposure Assessment, March 2010).

General Population - Hazard via inhalation route

Systemic effects

Long term exposure
Hazard assessment conclusion:
DNEL (Derived No Effect Level)
Value:
49.3 µg/m³
Most sensitive endpoint:
developmental toxicity / teratogenicity
Route of original study:
Oral
DNEL related information
DNEL derivation method:
ECHA REACH Guidance
Overall assessment factor (AF):
150
Dose descriptor starting point:
NOAEL
Value:
10 mg/kg bw/day
Value:
7.4 mg/m³
Explanation for the modification of the dose descriptor starting point:

Default (DNEL calculator)

AF for dose response relationship:
1
Justification:
Default (DNEL calculator)
AF for differences in duration of exposure:
6
Justification:
Default (DNEL calculator)
AF for interspecies differences (allometric scaling):
1
Justification:
Default (DNEL calculator)
AF for other interspecies differences:
2.5
Justification:
Default (DNEL calculator)
AF for intraspecies differences:
10
Justification:
Default (DNEL calculator)
AF for the quality of the whole database:
1
Justification:
Default (DNEL calculator)
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:
0.167 mg/kg bw/day
Most sensitive endpoint:
developmental toxicity / teratogenicity
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:
10 mg/kg bw/day
Value:
100 mg/kg bw/day
Explanation for the modification of the dose descriptor starting point:

Default (DNEL calculator)

AF for dose response relationship:
1
Justification:
Default (DNEL calculator)
AF for differences in duration of exposure:
6
Justification:
Default (DNEL calculator)
AF for interspecies differences (allometric scaling):
4
Justification:
Default (DNEL calculator)
AF for other interspecies differences:
2.5
Justification:
Default (DNEL calculator)
AF for intraspecies differences:
10
Justification:
Default (DNEL calculator)
AF for the quality of the whole database:
1
Justification:
Default (DNEL calculator)
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:
16.7 µg/kg bw/day
Most sensitive endpoint:
developmental toxicity / teratogenicity
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:
10 mg/kg bw/day
Value:
10 mg/kg bw/day
Explanation for the modification of the dose descriptor starting point:

Default (DNEL calculator)

AF for dose response relationship:
1
Justification:
Default (DNEL calculator)
AF for differences in duration of exposure:
6
Justification:
Default (DNEL calculator)
AF for interspecies differences (allometric scaling):
4
Justification:
Default (DNEL calculator)
AF for other interspecies differences:
2.5
Justification:
Default (DNEL calculator)
AF for intraspecies differences:
10
Justification:
Default (DNEL calculator)
AF for the quality of the whole database:
1
Justification:
Default (DNEL calculator)
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

Acute DNELs:

As the substance is classified for acute oral toxicity an acute DNEL should be derived for the general population. However, peak exposure is considered not possible and therefore an acute DNELsystemic will not be derived. The long term DNEL is considered sufficient to cover effects from acute exposure.As an acute toxicity hazard leading to Classification and Labelling of the substance has not been identified for dermal and inhalation exposure, the long-term DNEL is considered sufficient to ensure that effects from acute exposure to the substance do not occur (in accordance with ECHA Guidance on information

requirements and chemical safety assessment: Chapter R.8: Characterisation of dose [concentration]-response for human health, May 2008 and Part B: Hazard Assessment, Draft new chapter B.8 Scope of Exposure Assessment, March 2010).

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