Registration Dossier
Registration Dossier
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EC number: 259-226-5 | CAS number: 54553-91-2
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:
- 0.437 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):
- 62.5
- Modified dose descriptor starting point:
- NOAEC
- Value:
- 27.33 mg/m³
- Explanation for the modification of the dose descriptor starting point:
- See ECHA Guidance
- AF for differences in duration of exposure:
- 5
- Justification:
- 45d study
- AF for interspecies differences (allometric scaling):
- 1
- Justification:
- not relevant for inhalation
- AF for other interspecies differences:
- 2.5
- Justification:
- ECHA Guidance
- AF for intraspecies differences:
- 5
- Justification:
- workers
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:
- 0.124 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):
- 250
- Modified dose descriptor starting point:
- NOAEL
- Value:
- 31 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
- See ECHA Guidance
- AF for differences in duration of exposure:
- 5
- Justification:
- 45d study
- AF for interspecies differences (allometric scaling):
- 4
- Justification:
- rat
- AF for other interspecies differences:
- 2.5
- Justification:
- ECHA Guidance
- AF for intraspecies differences:
- 5
- Justification:
- workers
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
General Population - Hazard via inhalation route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 0.108 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):
- 125
- Modified dose descriptor starting point:
- NOAEC
- Value:
- 13.48 mg/m³
- Explanation for the modification of the dose descriptor starting point:
- See ECHA Guidance
- AF for differences in duration of exposure:
- 5
- Justification:
- 45d
- AF for interspecies differences (allometric scaling):
- 1
- Justification:
- not used for inhalation
- AF for other interspecies differences:
- 2.5
- Justification:
- ECHA Guidance
- AF for intraspecies differences:
- 10
- Justification:
- general population
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:
- 0.062 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):
- 500
- Modified dose descriptor starting point:
- NOAEL
- Value:
- 31 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
- See ECHA Guidance
- AF for differences in duration of exposure:
- 5
- Justification:
- 45d
- AF for interspecies differences (allometric scaling):
- 4
- Justification:
- rat
- AF for other interspecies differences:
- 2.5
- Justification:
- ECHA Guidance
- AF for intraspecies differences:
- 10
- Justification:
- general population
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:
- 0.062 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):
- 500
- Modified dose descriptor starting point:
- NOAEL
- Value:
- 31 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
- See ECHA Guidance
- AF for differences in duration of exposure:
- 5
- Justification:
- 45d
- AF for interspecies differences (allometric scaling):
- 4
- Justification:
- rat
- AF for other interspecies differences:
- 2.5
- Justification:
- ECHA Guidance
- AF for intraspecies differences:
- 10
- Justification:
- general population
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
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.
