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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 254-179-7 | CAS number: 38888-98-1
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:
- 0.3 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):
- 12.5
- Modified dose descriptor starting point:
- NOAEC
- Value:
- 4.25 mg/m³
- Explanation for the modification of the dose descriptor starting point:
- toxicokinetic properties allow a route to route extrapolation
- AF for dose response relationship:
- 1
- AF for differences in duration of exposure:
- 1
- Justification:
- not required, chronic study
- AF for interspecies differences (allometric scaling):
- 1
- Justification:
- not required due to corrected starting point
- AF for other interspecies differences:
- 2.5
- Justification:
- default value
- AF for intraspecies differences:
- 5
- Justification:
- worker, default value ECHA
- AF for the quality of the whole database:
- 1
- AF for remaining uncertainties:
- 1
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 (no further information necessary)
Acute/short term exposure
- Hazard assessment conclusion:
- hazard unknown (no further information necessary)
DNEL related information
Workers - Hazard via dermal route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 0.1 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):
- 50
- Modified dose descriptor starting point:
- NOAEL
- Value:
- 4.83 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
- The resoprtion after oral and dermal application is considered to comparable.
- AF for dose response relationship:
- 1
- Justification:
- not required
- AF for differences in duration of exposure:
- 1
- Justification:
- not required, chronic study
- AF for interspecies differences (allometric scaling):
- 4
- Justification:
- rat -> man
- AF for other interspecies differences:
- 2.5
- Justification:
- default value
- AF for intraspecies differences:
- 5
- Justification:
- worker, default value ECHA
- AF for the quality of the whole database:
- 1
- AF for remaining uncertainties:
- 1
Acute/short term exposure
- Hazard assessment conclusion:
- no hazard identified
DNEL related information
Local effects
Long term exposure
- Hazard assessment conclusion:
- low hazard (no threshold derived)
Acute/short term exposure
- Hazard assessment conclusion:
- medium hazard (no threshold derived)
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:
- 0.08 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):
- 25
- Modified dose descriptor starting point:
- NOAEC
- Value:
- 2.1 mg/m³
- Explanation for the modification of the dose descriptor starting point:
- toxicokinetic properties allow a route to route
- AF for dose response relationship:
- 1
- Justification:
- not required
- AF for differences in duration of exposure:
- 1
- Justification:
- not required
- AF for interspecies differences (allometric scaling):
- 1
- Justification:
- not required due to corrected starting point
- AF for other interspecies differences:
- 2.5
- Justification:
- default value ECHA
- AF for intraspecies differences:
- 10
- Justification:
- default value for general pouplation
- AF for the quality of the whole database:
- 1
- AF for remaining uncertainties:
- 1
Acute/short term exposure
- Hazard assessment conclusion:
- medium hazard (no threshold derived)
DNEL related information
Local effects
Long term exposure
- Hazard assessment conclusion:
- hazard unknown (no further information necessary)
Acute/short term exposure
- Hazard assessment conclusion:
- hazard unknown (no further information necessary)
DNEL related information
General Population - Hazard via dermal route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 0.05 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):
- 100
- Modified dose descriptor starting point:
- NOAEL
- Value:
- 4.83 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
- toxicokinetic properties allow a route to route
- AF for dose response relationship:
- 1
- Justification:
- not required
- AF for differences in duration of exposure:
- 1
- Justification:
- not required
- AF for interspecies differences (allometric scaling):
- 4
- Justification:
- rat -> man
- AF for other interspecies differences:
- 2.5
- Justification:
- default value ECHA
- AF for intraspecies differences:
- 10
- Justification:
- default value general population
- AF for the quality of the whole database:
- 1
- AF for remaining uncertainties:
- 1
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:
- 0.05 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):
- 100
- Modified dose descriptor starting point:
- NOAEL
- Value:
- 4.83 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
- not required
- AF for dose response relationship:
- 1
- Justification:
- not required
- AF for differences in duration of exposure:
- 1
- Justification:
- not required
- AF for interspecies differences (allometric scaling):
- 4
- Justification:
- rat -> man
- AF for other interspecies differences:
- 2.5
- Justification:
- default value ECHA
- AF for intraspecies differences:
- 10
- Justification:
- default value 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.
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