Registration Dossier
Registration Dossier
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EC number: 219-775-3 | CAS number: 2528-61-2
PBT assessment
Administrative data
PBT assessment: overall result
- PBT status:
- the substance is not PBT / vPvB
- Justification:
Heptanoyl chloride rapidly hydrolyses in contact with water to form heptanoic acid (CAS 111-14-8), hydrogen chloride (CAS 7647-01-0) and carbon dioxide (CAS 124-38-9). Due to this rapid hydrolysis, the assessment of the PBT/vPvB properties of the parent compound is considered to be of low relevance. As the PBT/vPvB criteria of Annex XIII do not apply to inorganic substances, only the hydrolysis product heptanoic acid is considered.
Heptanoic acid was determined to be readily biodegradable. Therefore, the substance does not fulfill the screening criteria for P/vP. The estimated log Kow of heptanoyl chloride indicate that significant bioaccumulation in organisms is not to be expected. It can be concluded that the substance is not B/vB. Chronic toxicity data are available for algae only. Acute toxicity data are available for fish, daphnids and algae. The lowest chronic effect value is significantly greater than 0.01 mg/L. In addition, all available acute toxicity values (LC/EC50) are clearly greater than 0.01 mg/L. The substance is therefore concluded to be not T.
In conclusion, heptanoyl chloride is assessed to neither fulfill the PBT criteria (not PBT) nor the vPvB criteria (not vPvB).
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