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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
0.493 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:
30 mg/kg bw/day
Value:
37 mg/m³
Explanation for the modification of the dose descriptor starting point:

In a Screening for reproductive / developmental toxicity study, NOAEL of test item were determined to be 30 mg/kg/day in males and females for repeated dose toxicity. NOAEL of 30 mg/kg/day is selected as starting point.

AF for dose response relationship:
1
Justification:
The value of 1 is the default for dose descriptor NOAEL.
AF for differences in duration of exposure:
6
Justification:
The value of 6 is default for sub-acute study.
AF for interspecies differences (allometric scaling):
1
Justification:
The default value 4 for rat is not applicable as respiratory rates depend directly on caloric demand, hence value 1 is used.
AF for other interspecies differences:
2.5
Justification:
The value of 2.5 is default for interspecies variability - remaining differences in case of no other specific susceptibility differences info available.
AF for intraspecies differences:
5
Justification:
The default value is 5 for works according to ECHA Guidance on Information Requirements and Chemical Safety Assessment, Chapter R.8.
AF for the quality of the whole database:
1
Justification:
The default value is 1 according to ECHA Guidance on Information Requirements and Chemical Safety Assessment, Chapter R.8.
Acute/short term exposure
Hazard assessment conclusion:
low hazard (no threshold derived)
DNEL related information
Explanation for the modification of the dose descriptor starting point:

This submission substance is classified as Category 4 for acute inhalation toxicity as the LC50 was 2270 mg/m3 (2.27 mg/L) in an acute inhalation toxicity test in compliance with OECD 403 and GLP.

Therefore low hazard determined.

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:
0.14 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:
30 mg/kg bw/day
Value:
42 mg/kg bw/day
Explanation for the modification of the dose descriptor starting point:

In a Screening for reproductive / developmental toxicity study, NOAEL of test item were determined to

be 30 mg/kg/day in males and females for repeated dose toxicity. NOAEL of 30 mg/kg/day is selected as starting point.

AF for dose response relationship:
1
Justification:
The value of 1 is default for dose descriptor NOAEL.
AF for differences in duration of exposure:
6
Justification:
The value of 6 is default for sub-acute study.
AF for interspecies differences (allometric scaling):
4
Justification:
The default value is 4 for study animal rats.
AF for other interspecies differences:
2.5
Justification:
The value of 2.5 is default for interspecies variability - remaining differences in case of no other specific susceptibility differences info available.
AF for intraspecies differences:
5
Justification:
The default value is 5 for works according to ECHA Guidance on Information Requirements and Chemical Safety Assessment, Chapter R.8.
AF for the quality of the whole database:
1
Justification:
The default value is 1 for quality of whole database according to ECHA Guidance on Information Requirements and Chemical Safety Assessment, Chapter R.8.
Acute/short term exposure
Hazard assessment conclusion:
no hazard identified
DNEL related information

Local effects

Long term exposure
Hazard assessment conclusion:
hazard unknown but no further hazard information necessary as no exposure expected
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:
DNEL (Derived No Effect Level)
Value:
87 µg/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):
150
Dose descriptor starting point:
NOAEL
Value:
30 mg/kg bw/day
Value:
13.1 mg/m³
Explanation for the modification of the dose descriptor starting point:

In a Screening for reproductive / developmental toxicity study, NOAEL of test item were determined to be 30 mg/kg/day in males and females for repeated dose toxicity. NOAEL of 30 mg/kg/day is selected as starting point.

AF for dose response relationship:
1
Justification:
The value of 1 is default for dose descriptor NOAEL.
AF for differences in duration of exposure:
6
Justification:
The value of 6 is default for sub-acute study.
AF for interspecies differences (allometric scaling):
1
Justification:
The default value 4 for rat is not applicable as respiratory rates depend directly on caloric demand, hence value 1 is used.
AF for other interspecies differences:
2.5
Justification:
The value of 2.5 is default for interspecies variability - remaining differences in case of no other specific susceptibility differences info available.
AF for intraspecies differences:
10
Justification:
The default value is 10 for general population according to ECHA Guidance on Information Requirements and Chemical Safety Assessment, Chapter R.8.
AF for the quality of the whole database:
1
Justification:
The default value is 1 for quality of whole database according to ECHA Guidance on Information Requirements and Chemical Safety Assessment, Chapter R.8.
Acute/short term exposure
Hazard assessment conclusion:
low hazard (no threshold derived)
DNEL related information

Local effects

Long term exposure
Hazard assessment conclusion:
hazard unknown but no further hazard information necessary as no exposure expected
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:
50 µg/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:
30 mg/kg bw/day
Value:
30 mg/kg bw/day
Explanation for the modification of the dose descriptor starting point:

In a Screening for reproductive / developmental toxicity study, NOAEL of test item were determined to be 30 mg/kg/day in males and females for repeated dose toxicity. NOAEL of 30 mg/kg/day is selected as starting point.

AF for dose response relationship:
1
Justification:
The value of 1 is default for dose descriptor NOAEL.
AF for differences in duration of exposure:
6
Justification:
The value of 6 is default for sub-acute study.
AF for interspecies differences (allometric scaling):
4
Justification:
The default value is 4 for study animal rats.
AF for other interspecies differences:
2.5
Justification:
The value of 2.5 is default for interspecies variability - remaining differences in case of no other specific susceptibility differences info available.
AF for intraspecies differences:
10
Justification:
The default value is 10 for general population according to ECHA Guidance on Information Requirements and Chemical Safety Assessment, Chapter R.8.
AF for the quality of the whole database:
1
Justification:
The default value is 1 for quality of whole database according to ECHA Guidance on Information Requirements and Chemical Safety Assessment, Chapter R.8.
Acute/short term exposure
Hazard assessment conclusion:
no hazard identified
DNEL related information

Local effects

Long term exposure
Hazard assessment conclusion:
hazard unknown but no further hazard information necessary as no exposure expected
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:
50 µg/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:
30 mg/kg bw/day
Value:
30 mg/kg bw/day
Explanation for the modification of the dose descriptor starting point:

In a Screening for reproductive / developmental toxicity study, NOAEL of test item were determined to be 30 mg/kg/day in males and females for repeated dose toxicity. NOAEL of 30 mg/kg/day is selected as starting point.

AF for dose response relationship:
1
Justification:
The value of 1 is default for dose descriptor NOAEL.
AF for differences in duration of exposure:
6
Justification:
The value of 6 is default for sub-acute study.
AF for interspecies differences (allometric scaling):
4
Justification:
The default value is 4 for study animal rats.
AF for other interspecies differences:
2.5
Justification:
The value of 2.5 is default for interspecies variability - remaining differences in case of no other specific susceptibility differences info available.
AF for intraspecies differences:
10
Justification:
The default value is 10 for general population according to ECHA Guidance on Information Requirements and Chemical Safety Assessment, Chapter R.8.
AF for the quality of the whole database:
1
Justification:
The default value is 1 for quality of whole database according to ECHA Guidance on Information Requirements and Chemical Safety Assessment, Chapter R.8.
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