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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 268-638-4 | CAS number: 68132-46-7
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:
- 0.95 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):
- 75
- Dose descriptor starting point:
- NOAEL
- Value:
- 80 mg/kg bw/day
- Modified dose descriptor starting point:
- NOAEC
- Value:
- 71 mg/m³
- Explanation for the modification of the dose descriptor starting point:
80 x 1/0.38 x 6.7/10 x 0.5
- AF for dose response relationship:
- 1
- Justification:
- Default factor according to ECHA guidance document
- AF for differences in duration of exposure:
- 4
- Justification:
- Default factor according to ECHA guidance document
- AF for interspecies differences (allometric scaling):
- 1
- Justification:
- No allometric scaling should be applied in case of oral-inhalation exposure
- AF for other interspecies differences:
- 2.5
- Justification:
- Default factor according to ECHA guidance document
- AF for intraspecies differences:
- 5
- Justification:
- Default factor according to ECHA guidance document
- AF for the quality of the whole database:
- 1
- Justification:
- Default factor according to ECHA guidance document
- AF for remaining uncertainties:
- 1
- Justification:
- No remaining uncertainties
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:
- 0.27 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):
- 300
- Dose descriptor starting point:
- NOAEL
- Value:
- 80 mg/kg bw/day
- AF for dose response relationship:
- 1
- Justification:
- Default factor according to ECHA guidance document
- AF for differences in duration of exposure:
- 6
- Justification:
- Default factor according to ECHA guidance document
- AF for interspecies differences (allometric scaling):
- 4
- Justification:
- Default factor according to ECHA guidance document
- AF for other interspecies differences:
- 2.5
- Justification:
- Default factor according to ECHA guidance document
- AF for intraspecies differences:
- 5
- Justification:
- Default factor according to ECHA guidance document
- AF for the quality of the whole database:
- 1
- Justification:
- Database is of high quality
- AF for remaining uncertainties:
- 1
- Justification:
- No remaining uncertainties
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:
- 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:
- 0.23 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):
- 150
- Dose descriptor starting point:
- NOAEL
- Value:
- 80 mg/kg bw/day
- Modified dose descriptor starting point:
- NOAEC
- Value:
- 35 mg/m³
- Explanation for the modification of the dose descriptor starting point:
80*1/1.15*0.5
- AF for dose response relationship:
- 1
- Justification:
- Default value according to ECHA guidance document
- AF for differences in duration of exposure:
- 6
- Justification:
- Default value according to ECHA guidance document
- AF for interspecies differences (allometric scaling):
- 1
- Justification:
- No allometric scaling should be applied in case of oral to inhalation extrapolation
- AF for other interspecies differences:
- 2.5
- Justification:
- Default value according to ECHA guidance document
- AF for intraspecies differences:
- 10
- Justification:
- Default value according to ECHA guidance document
- AF for the quality of the whole database:
- 1
- Justification:
- High quality database
- AF for remaining uncertainties:
- 1
- Justification:
- No remaining uncertainties
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:
- 0.13 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):
- 600
- Dose descriptor starting point:
- NOAEL
- Value:
- 80 mg/kg bw/day
- AF for dose response relationship:
- 1
- Justification:
- Default value according to ECHA guidance document
- AF for differences in duration of exposure:
- 6
- Justification:
- Default value according to ECHA guidance document
- AF for interspecies differences (allometric scaling):
- 4
- Justification:
- Default value according to ECHA guidance documnet
- AF for other interspecies differences:
- 2.5
- Justification:
- Default value according to ECHA guidance document
- AF for intraspecies differences:
- 10
- Justification:
- Default value according to ECHA guidance documnet
- AF for the quality of the whole database:
- 1
- Justification:
- High quality database
- AF for remaining uncertainties:
- 1
- Justification:
- No remaining uncertainties
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:
- 0.13 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):
- 600
- Dose descriptor starting point:
- NOAEL
- Value:
- 80 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
NOAEL based on the results of a 30 day study of TEA (Smyth, 1951).
- AF for dose response relationship:
- 1
- Justification:
- Defautl factor according to ECHA guidance documnet
- AF for differences in duration of exposure:
- 6
- Justification:
- Default factor according to ECHA guidance document
- AF for interspecies differences (allometric scaling):
- 4
- Justification:
- Default factor accordoing to ECHA guidance document
- AF for other interspecies differences:
- 2.5
- Justification:
- Default factor according to ECHA guidance document
- AF for intraspecies differences:
- 10
- Justification:
- Default factor according to ECHA guidance document
- AF for the quality of the whole database:
- 1
- Justification:
- High quality database
- AF for remaining uncertainties:
- 1
- Justification:
- No remaining uncertainties
Acute/short term exposure
- Hazard assessment conclusion:
- no hazard identified
DNEL related information
General Population - Hazard for the eyes
Local effects
- Hazard assessment conclusion:
- low hazard (no threshold derived)
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.
