Registration Dossier
Registration Dossier
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EC number: 200-922-5 | CAS number: 75-98-9
Toxicological Summary
Administrative data
Workers - Hazard via inhalation route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 440 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):
- 25
- Dose descriptor starting point:
- NOAEL
- Value:
- 12 mg/kg bw/day
- Modified dose descriptor starting point:
- NOAEC
- Value:
- 11 mg/m³
- Explanation for the modification of the dose descriptor starting point:
NOAECcorr=NOAELoral*(1/0.38 m3 /kg/d)*(ABSoral-rat/ABSinhhuman)*(6.7 m3 (8h)/10 m3 (8h)) = 12.5
mg/kg/d*(1/0.38 m3 /kg/d)*(0.5*1)*0.67=11 mg/m3
- AF for differences in duration of exposure:
- 2
- AF for interspecies differences (allometric scaling):
- 2.5
- AF for other interspecies differences:
- 5
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:
- 125 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):
- 100
- Dose descriptor starting point:
- NOAEL
- Value:
- 12.5 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
An Allometric Scaling Factor of 4 plus an additional Assessment Factor of 2.5-fold was applies 4 as per E.C.H.A. Guidance on information requirements and chemical safety assessment Chapter R.8: Characterisation of the dose [concentration]-response for human health, page 30 and Table R.8-3. An Intraspecies Worker Assessment of 5-fold is used as per E.C.H.A. Guidance on information requirements and chemical safety assessment Chapter R.8: Characterisation of the dose [concentration]-response for human health.Appendix R.8-3, Table R.8-19, page 76 with a Duration correction of subacute to chronic exposure of 2-fold.
- AF for differences in duration of exposure:
- 2
- AF for interspecies differences (allometric scaling):
- 4
- AF for other interspecies differences:
- 2.5
- AF for intraspecies differences:
- 5
Acute/short term exposure
- Hazard assessment conclusion:
- low hazard (no threshold derived)
DNEL related information
Local effects
Long term exposure
- Hazard assessment conclusion:
- low hazard (no threshold derived)
Acute/short term exposure
- Hazard assessment conclusion:
- low hazard (no threshold derived)
Workers - Hazard for the eyes
Local effects
- Hazard assessment conclusion:
- low 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:
- 220 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):
- 50
- Dose descriptor starting point:
- NOAEL
- Value:
- 12.5 mg/kg bw/day
- Modified dose descriptor starting point:
- NOAEC
- Value:
- 11 mg/m³
- Explanation for the modification of the dose descriptor starting point:
NOAECcorr=NOAELoral*(1/0.38 m3 /kg/d)*(ABSoral-rat/ABSinhhuman)*(6.7 m3 (8h)/10 m3 (8h)) = 12.5
mg/kg/d*(1/0.38 m3 /kg/d)*(0.5*1)*0.67=11 mg/m3
- AF for differences in duration of exposure:
- 2
- AF for interspecies differences (allometric scaling):
- 2.5
- AF for other interspecies differences:
- 10
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:
- 62.5 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):
- 200
- Dose descriptor starting point:
- NOAEL
- Value:
- 12.5 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
An Allometric Scaling Factor of 4 plus an additional Assessment Factor of 2.5-fold was applies 4 as per E.C.H.A. Guidance on information requirements and chemical safety assessment Chapter R.8: Characterisation of the dose [concentration]-response for human health, page 30 and Table R.8-3. An Intraspecies General Population Assessment of 10-fold is used as per E.C.H.A. Guidance on information requirements and chemical safety assessment Chapter R.8: Characterisation of the dose [concentration]-response for human health.Appendix R.8-3, Table R.8-19, page 76 with a Duration correction of subacute to chronic exposure of 2-fold.
- AF for differences in duration of exposure:
- 2
- AF for interspecies differences (allometric scaling):
- 4
- AF for other interspecies differences:
- 2.5
- AF for intraspecies differences:
- 10
Acute/short term exposure
- Hazard assessment conclusion:
- low hazard (no threshold derived)
DNEL related information
Local effects
Long term exposure
- Hazard assessment conclusion:
- low hazard (no threshold derived)
Acute/short term exposure
- Hazard assessment conclusion:
- low hazard (no threshold derived)
General Population - Hazard via oral route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 62.5 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):
- 200
- Dose descriptor starting point:
- NOAEL
- Value:
- 12.5 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
An Allometric Scaling Factor of 4 plus an additional Assessment Factor of 2.5-fold was applies 4 as per E.C.H.A. Guidance on information requirements and chemical safety assessment Chapter R.8: Characterisation of the dose [concentration]-response for human health, page 30 and Table R.8-3. An Intraspecies General Population Assessment of 10-fold is used as per E.C.H.A. Guidance on information requirements and chemical safety assessment Chapter R.8: Characterisation of the dose [concentration]-response for human health.Appendix R.8-3, Table R.8-19, page 76 with a Duration correction of subacute to chronic exposure of 2-fold.
- AF for differences in duration of exposure:
- 2
- AF for interspecies differences (allometric scaling):
- 4
- AF for other interspecies differences:
- 2.5
- AF for intraspecies differences:
- 10
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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