Registration Dossier
Registration Dossier
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EC number: 234-409-2 | CAS number: 12001-85-3
PBT assessment
Administrative data
PBT assessment: overall result
- Name:
- Naphthenic acids, zinc salts
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: bulk
- Reference substance:
- Naphthenic acids, zinc salts
- Reference substance:
- Naphthenic acids, zinc salts
- PBT status:
- the substance is not PBT / vPvB
- Justification:
Naphthenic acids, zinc salts is considered to be not persistent or very persistent.
Naphthenic acids, zinc salts is considered to have a low potential for bioaccumulation and is therefore not bioaccumulative or very bioaccumulative.
Naphthenic acids and zinc oxide are not carcinogenic, mutagenic or toxic for reproduction and data indicate that chronic toxicity and repeat dose specific target organ toxicity is not expected. Based on water accommodated fraction loading rates (WAF), naphthenic acids, zinc salts has a 96-hour LC50 for fish of >100 mg/L and a 48-hour EL50 for Daphnia magna of 35 mg/L. The 72h-NOELR for algae growth rate inhibition is 1.0 mg/L, when based on biological relevance, and the 72h-EL50 is 4.0 mg/L. Therefore, naphthenic acids, zinc salts is considered not to meet the criteria for T.
As naphthenic acids, zinc salts is not persistent, bioaccumulative or toxic, so it is not PBT or vPvB.
- Likely routes of exposure:
Assessments of likely routes of exposure are not required for substances which are considered to be not PBT/vPvB.
Reference
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