Registration Dossier

Administrative data

Workers - Hazard via inhalation route

Systemic effects

Long term exposure
Hazard assessment conclusion:
DNEL (Derived No Effect Level)
Value:
70.4 mg/m³
Most sensitive endpoint:
repeated dose toxicity
Route of original study:
By inhalation
DNEL related information
DNEL derivation method:
ECHA REACH Guidance
Overall assessment factor (AF):
12.5
Dose descriptor starting point:
NOAEL
DNEL value:
500 mg/m³
Modified dose descriptor starting point:
NOAEC
DNEL value:
880 mg/m³
Explanation for the modification of the dose descriptor starting point:

ECHA Guidance R.8, example R. 8-2 Workers.

AF for dose response relationship:
1
Justification:
ECHA default
AF for differences in duration of exposure:
1
Justification:
Chronic oral study uses as starting point
AF for interspecies differences (allometric scaling):
1
Justification:
ECHA default
AF for other interspecies differences:
2.5
Justification:
ECHA default
AF for intraspecies differences:
5
Justification:
ECHA default
AF for the quality of the whole database:
1
Justification:
ECHA default
AF for remaining uncertainties:
1
Justification:
ECHA default
Acute/short term exposure
Hazard assessment conclusion:
no hazard identified
DNEL related information

Local effects

Long term exposure
Hazard assessment conclusion:
high hazard (no threshold derived)
Most sensitive endpoint:
sensitisation (respiratory tract)
Acute/short term exposure
Hazard assessment conclusion:
high hazard (no threshold derived)
Most sensitive endpoint:
sensitisation (respiratory tract)
DNEL related information

Workers - Hazard via dermal route

Systemic effects

Long term exposure
Hazard assessment conclusion:
DNEL (Derived No Effect Level)
Value:
10 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):
50
Dose descriptor starting point:
NOAEL
DNEL value:
500 mg/kg bw/day
Modified dose descriptor starting point:
NOAEL
DNEL value:
500 mg/kg bw/day
Explanation for the modification of the dose descriptor starting point:

Assumed that dermal absorption = oral absorption

AF for dose response relationship:
1
Justification:
ECHA default
AF for differences in duration of exposure:
1
Justification:
Chronic study
AF for interspecies differences (allometric scaling):
4
Justification:
ECHA default
AF for other interspecies differences:
2.5
Justification:
ECHA default
AF for intraspecies differences:
5
Justification:
ECHA default
AF for the quality of the whole database:
1
Justification:
ECHA default
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:
high hazard (no threshold derived)
Most sensitive endpoint:
sensitisation (skin)
Acute/short term exposure
Hazard assessment conclusion:
high hazard (no threshold derived)

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:
17.4 mg/m³
Most sensitive endpoint:
repeated dose toxicity
Route of original study:
By inhalation
DNEL related information
DNEL derivation method:
ECHA REACH Guidance
Overall assessment factor (AF):
25
Dose descriptor starting point:
NOAEL
DNEL value:
500 mg/m³
Modified dose descriptor starting point:
NOAEC
DNEL value:
435 mg/m³
Explanation for the modification of the dose descriptor starting point:

ECHA guidance R.8, Example R.8 -1 General public

AF for dose response relationship:
1
Justification:
ECHA default
AF for differences in duration of exposure:
1
Justification:
Chronic oral study used as starting point
AF for interspecies differences (allometric scaling):
1
Justification:
ECHA default
AF for other interspecies differences:
2.5
Justification:
ECHA default
AF for intraspecies differences:
10
Justification:
ECHA default
AF for the quality of the whole database:
1
Justification:
ECHA default
AF for remaining uncertainties:
1
Justification:
ECHA default
Acute/short term exposure
Hazard assessment conclusion:
no hazard identified
DNEL related information

Local effects

Long term exposure
Hazard assessment conclusion:
high hazard (no threshold derived)
Most sensitive endpoint:
sensitisation (respiratory tract)
Acute/short term exposure
Hazard assessment conclusion:
high hazard (no threshold derived)
Most sensitive endpoint:
sensitisation (respiratory tract)
DNEL related information

General Population - Hazard via dermal route

Systemic effects

Long term exposure
Hazard assessment conclusion:
DNEL (Derived No Effect Level)
Value:
5 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
Dose descriptor starting point:
NOAEL
DNEL value:
500 mg/kg bw/day
Modified dose descriptor starting point:
NOAEL
DNEL value:
500 mg/kg bw/day
Explanation for the modification of the dose descriptor starting point:

Dermal absorption = oral absorption

AF for dose response relationship:
1
Justification:
ECHA default
AF for differences in duration of exposure:
1
Justification:
Chronic study
AF for interspecies differences (allometric scaling):
4
Justification:
ECHA default
AF for other interspecies differences:
2.5
Justification:
ECHA default
AF for intraspecies differences:
10
Justification:
ECHA default
AF for the quality of the whole database:
1
Justification:
ECHA default
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:
high hazard (no threshold derived)
Most sensitive endpoint:
sensitisation (skin)
Acute/short term exposure
Hazard assessment conclusion:
high hazard (no threshold derived)
Most sensitive endpoint:
sensitisation (skin)

General Population - Hazard via oral route

Systemic effects

Long term exposure
Hazard assessment conclusion:
DNEL (Derived No Effect Level)
Value:
5 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
Dose descriptor starting point:
NOAEL
DNEL value:
500 mg/kg bw/day
Modified dose descriptor starting point:
NOAEL
DNEL value:
500 mg/kg bw/day
Explanation for the modification of the dose descriptor starting point:

No modification required - oral study

AF for dose response relationship:
1
Justification:
ECHA default
AF for differences in duration of exposure:
1
Justification:
Chronic study
AF for interspecies differences (allometric scaling):
4
Justification:
ECHA default
AF for other interspecies differences:
2.5
Justification:
ECHA default
AF for intraspecies differences:
10
Justification:
ECHA default
AF for the quality of the whole database:
1
Justification:
ECHA default
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