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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 231-679-3 | CAS number: 7681-82-5
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:
- 0.822 mg/m³
- Most sensitive endpoint:
- effect on fertility
- Route of original study:
- Oral
DNEL related information
- DNEL derivation method:
- other:
- Overall assessment factor (AF):
- 225
- Dose descriptor starting point:
- LOAEL
- Value:
- 150 mg/kg bw/day
- Modified dose descriptor starting point:
- LOAEC
- Value:
- 185 mg/m³
- Explanation for the modification of the dose descriptor starting point:
Highest LOAEL
- AF for dose response relationship:
- 3
- Justification:
- Default (DNEL calculator)
- AF for differences in duration of exposure:
- 6
- Justification:
- Default (DNEL calculator)
- 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:
- 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:
- 0.233 mg/kg bw/day
- Most sensitive endpoint:
- effect on fertility
- Route of original study:
- Oral
DNEL related information
- DNEL derivation method:
- other:
- Overall assessment factor (AF):
- 900
- Dose descriptor starting point:
- LOAEL
- Value:
- 150 mg/kg bw/day
- Modified dose descriptor starting point:
- LOAEL
- Value:
- 210 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
Highest LOAEL
- AF for dose response relationship:
- 3
- Justification:
- Default (DNEL calculator)
- AF for differences in duration of exposure:
- 6
- Justification:
- Default (DNEL calculator)
- 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:
- medium hazard (no threshold derived)
DNEL related information
Local effects
Long term exposure
- Hazard assessment conclusion:
- medium 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:
- medium 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:
- 0.145 mg/m³
- Most sensitive endpoint:
- effect on fertility
- Route of original study:
- Oral
DNEL related information
- DNEL derivation method:
- other:
- Overall assessment factor (AF):
- 450
- Dose descriptor starting point:
- LOAEL
- Value:
- 150 mg/kg bw/day
- Modified dose descriptor starting point:
- LOAEC
- Value:
- 65.3 mg/m³
- Explanation for the modification of the dose descriptor starting point:
Highest LOAEL
- AF for dose response relationship:
- 3
- Justification:
- Default (DNEL calculator)
- AF for differences in duration of exposure:
- 6
- Justification:
- Default (DNEL calculator)
- 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:
- 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:
- 83.3 µg/kg bw/day
- Most sensitive endpoint:
- effect on fertility
- Route of original study:
- Oral
DNEL related information
- DNEL derivation method:
- other:
- Overall assessment factor (AF):
- 1 800
- Dose descriptor starting point:
- LOAEL
- Value:
- 150 mg/kg bw/day
- Modified dose descriptor starting point:
- LOAEL
- Value:
- 150 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
Highest LOAEL
- AF for dose response relationship:
- 3
- Justification:
- Default (DNEL calculator)
- AF for differences in duration of exposure:
- 6
- Justification:
- Default (DNEL calculator)
- 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:
- medium hazard (no threshold derived)
DNEL related information
Local effects
Long term exposure
- Hazard assessment conclusion:
- medium hazard (no threshold derived)
Acute/short term exposure
- Hazard assessment conclusion:
- medium hazard (no threshold derived)
General Population - Hazard via oral route
Systemic effects
Long term exposure
- Hazard assessment conclusion:
- DNEL (Derived No Effect Level)
- Value:
- 83.3 µg/kg bw/day
- Most sensitive endpoint:
- effect on fertility
- Route of original study:
- Oral
DNEL related information
- DNEL derivation method:
- other:
- Overall assessment factor (AF):
- 1 800
- Dose descriptor starting point:
- LOAEL
- Value:
- 150 mg/kg bw/day
- Modified dose descriptor starting point:
- LOAEL
- Value:
- 150 mg/kg bw/day
- Explanation for the modification of the dose descriptor starting point:
Highest LOAEL
- AF for dose response relationship:
- 3
- Justification:
- Default (DNEL calculator)
- AF for differences in duration of exposure:
- 6
- Justification:
- Default (DNEL calculator)
- 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:
- medium 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
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.
