Registration Dossier
Registration Dossier
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EC number: 237-136-7 | CAS number: 13653-62-8
Toxicological information
Toxicological Summary
Administrative data
Workers - Hazard via inhalation route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 3.7 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:
- NOAEL
- Value:
- 75 mg/kg bw/day
- Modified dose descriptor starting point:
- NOAEC
- Value:
- 185 mg/m³
- Explanation for the modification of the dose descriptor starting point:
Assuming an oral/inhalation absorption ratio of 1.
- AF for dose response relationship:
- 1
- Justification:
- Default (DNEL calculator)
- AF for differences in duration of exposure:
- 4
- Justification:
- Exposure for up to seven weeks
- 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)
Acute/short term exposure
- Hazard assessment conclusion:
- no hazard identified
DNEL related information
- DNEL derivation method:
- ECHA REACH Guidance
Local effects
Long term exposure
- Hazard assessment conclusion:
- no hazard identified
- Most sensitive endpoint:
- irritation (respiratory tract)
DNEL related information
- DNEL derivation method:
- ECHA REACH Guidance
Acute/short term exposure
- Hazard assessment conclusion:
- no hazard identified
- Most sensitive endpoint:
- irritation (respiratory tract)
DNEL related information
- DNEL derivation method:
- ECHA REACH Guidance
Workers - Hazard via dermal route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 1.05 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:
- 75 mg/kg bw/day
- Modified dose descriptor starting point:
- NOAEL
- Value:
- 210 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
Assuming an oral/dermal absorption ratio of 2.
- AF for dose response relationship:
- 1
- Justification:
- Default (DNEL calculator)
- AF for differences in duration of exposure:
- 4
- Justification:
- Exposure for up to seven weeks
- 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
- Most sensitive endpoint:
- acute toxicity
DNEL related information
- DNEL derivation method:
- ECHA REACH Guidance
Local effects
Long term exposure
- Hazard assessment conclusion:
- low hazard (no threshold derived)
- Most sensitive endpoint:
- skin irritation/corrosion
DNEL related information
- DNEL derivation method:
- ECHA REACH Guidance
Acute/short term exposure
- Hazard assessment conclusion:
- low hazard (no threshold derived)
- Most sensitive endpoint:
- skin irritation/corrosion
DNEL related information
- DNEL derivation method:
- ECHA REACH Guidance
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:
- 0.555 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):
- 100
- Dose descriptor starting point:
- NOAEL
- Value:
- 75 mg/kg bw/day
- Modified dose descriptor starting point:
- NOAEC
- Value:
- 55.5 mg/m³
- Explanation for the modification of the dose descriptor starting point:
Assuming an oral/inhalation absorption ratio of 1.
- AF for dose response relationship:
- 1
- Justification:
- Default (DNEL calculator)
- AF for differences in duration of exposure:
- 4
- Justification:
- Exposure for up to seven weeks
- 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
- DNEL derivation method:
- ECHA REACH Guidance
Local effects
Long term exposure
- Hazard assessment conclusion:
- no hazard identified
- Most sensitive endpoint:
- irritation (respiratory tract)
DNEL related information
- DNEL derivation method:
- ECHA REACH Guidance
Acute/short term exposure
- Hazard assessment conclusion:
- no hazard identified
- Most sensitive endpoint:
- irritation (respiratory tract)
DNEL related information
- DNEL derivation method:
- ECHA REACH Guidance
General Population - Hazard via dermal route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 0.375 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):
- 400
- Dose descriptor starting point:
- NOAEL
- Value:
- 75 mg/kg bw/day
- Modified dose descriptor starting point:
- NOAEL
- Value:
- 150 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
Assuming an oral/dermal absorption ratio of 2.
- AF for dose response relationship:
- 1
- Justification:
- Default (DNEL calculator)
- AF for differences in duration of exposure:
- 4
- Justification:
- Exposure for up to seven weeks
- 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
- DNEL derivation method:
- ECHA REACH Guidance
Local effects
Long term exposure
- Hazard assessment conclusion:
- no hazard identified
- Most sensitive endpoint:
- skin irritation/corrosion
DNEL related information
- DNEL derivation method:
- ECHA REACH Guidance
Acute/short term exposure
- Hazard assessment conclusion:
- low hazard (no threshold derived)
- Most sensitive endpoint:
- skin irritation/corrosion
DNEL related information
- DNEL derivation method:
- ECHA REACH Guidance
General Population - Hazard via oral route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 0.188 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):
- 400
- Dose descriptor starting point:
- NOAEL
- Value:
- 75 mg/kg bw/day
- Modified dose descriptor starting point:
- NOAEL
- Value:
- 75 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:
- 4
- Justification:
- Exposure for up to seven weeks
- 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
- DNEL derivation method:
- ECHA REACH Guidance
General Population - Hazard for the eyes
Local effects
- Hazard assessment conclusion:
- no hazard identified
Additional information - General Population
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
