Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
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EC number: 237-860-3 | CAS number: 14024-63-6
Toxicological Summary
Administrative data
Workers - Hazard via inhalation route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 10.955 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:
- NOAEC
- Value:
- 545 mg/m³
- AF for dose response relationship:
- 1
- Justification:
- NOAEC as starting point, 100% assumed absorption
- AF for differences in duration of exposure:
- 2
- Justification:
- 14 weeks, subchronic to chronic
- AF for interspecies differences (allometric scaling):
- 1
- Justification:
- default value
- AF for other interspecies differences:
- 2.5
- Justification:
- correction for differences in metabolic rate
- AF for intraspecies differences:
- 5
- Justification:
- default value for worker
- AF for the quality of the whole database:
- 1
- Justification:
- high quality, default value
- AF for remaining uncertainties:
- 1
- Justification:
- default value
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)
DNEL related information
Workers - Hazard via dermal route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 2.343 mg/kg bw/day
- 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):
- 100
- Dose descriptor starting point:
- NOAEC
- Value:
- 545 mg/m³
- AF for dose response relationship:
- 1
- Justification:
- NOAEC as starting point, 100% assumed absorption
- AF for differences in duration of exposure:
- 2
- Justification:
- 14 weeks, subchronic to chronic
- AF for interspecies differences (allometric scaling):
- 4
- Justification:
- default value rat-human
- AF for other interspecies differences:
- 2.5
- Justification:
- correction for differences in metabolic rate
- AF for intraspecies differences:
- 5
- Justification:
- default value for workers
- AF for the quality of the whole database:
- 1
- Justification:
- high quality, default value
- AF for remaining uncertainties:
- 1
- Justification:
- default value
Acute/short term exposure
- Hazard assessment conclusion:
- high hazard (no threshold derived)
- Most sensitive endpoint:
- sensitisation (skin)
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)
Workers - Hazard for the eyes
Local effects
- Hazard assessment conclusion:
- medium hazard (no threshold derived)
Additional information - workers
The substance is classified as skin sensitizer category 1.
Handling of such substances should be strictly contained and controlled in order to avoid eye contact.
Accordingly, no DNELs are derived for long-term and short-term exposure and a qualitative risk characterisation is performed.
General Population - Hazard via inhalation route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 2.725 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):
- 50
- Dose descriptor starting point:
- NOAEC
- Value:
- 545 mg/m³
- AF for dose response relationship:
- 1
- Justification:
- NOAEC as starting point, 100% assumed absorption
- AF for differences in duration of exposure:
- 2
- Justification:
- 14 weeks, subchronic to chronic
- AF for interspecies differences (allometric scaling):
- 1
- Justification:
- default value
- AF for other interspecies differences:
- 2.5
- Justification:
- correction for differences in metabolic rate
- AF for intraspecies differences:
- 10
- Justification:
- default value for general population
- AF for the quality of the whole database:
- 1
- Justification:
- high quality, default value
- AF for remaining uncertainties:
- 1
- Justification:
- default value
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)
DNEL related information
General Population - Hazard via dermal route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 0.785 mg/kg bw/day
- 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):
- 200
- Dose descriptor starting point:
- NOAEC
- Value:
- 545 mg/m³
- AF for dose response relationship:
- 1
- Justification:
- NOAEC as starting point, 100% assumed absorption
- AF for differences in duration of exposure:
- 2
- Justification:
- 14 weeks, subchronic to chronic
- AF for interspecies differences (allometric scaling):
- 4
- Justification:
- default value rat-human
- AF for other interspecies differences:
- 2.5
- Justification:
- correction of differences in metabolic rate
- AF for intraspecies differences:
- 10
- Justification:
- default value for general population
- AF for the quality of the whole database:
- 1
- Justification:
- high quality, default value
- AF for remaining uncertainties:
- 1
- Justification:
- default value
Acute/short term exposure
- Hazard assessment conclusion:
- high hazard (no threshold derived)
- Most sensitive endpoint:
- sensitisation (skin)
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:
- low hazard (no threshold derived)
Acute/short term exposure
- Hazard assessment conclusion:
- low hazard (no threshold derived)
DNEL related information
General Population - Hazard for the eyes
Local effects
- Hazard assessment conclusion:
- medium hazard (no threshold derived)
Additional information - General Population
The substance is classified as skin sensitizer category 1.
Handling of such substances should be strictly contained and controlled in order to avoid eye contact.
Accordingly, no DNELs are derived for long-term and short-term exposure and a qualitative risk characterisation is performed.
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.
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