Registration Dossier
Registration Dossier
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EC number: 274-987-3 | CAS number: 70892-38-5
PBT assessment
Administrative data
PBT assessment: overall result
- Name:
- Reaction product of 4-aminophenol, aniline, 4-methyl-1,3-benzenediamine and p-phenylenediamine with polysulfide
- Type of composition:
- legal entity composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- Reaction product of 4-aminophenol, aniline, 4-methyl-1,3-benzenediamine and p-phenylenediamine with polysulfide
- Reference substance:
- Reaction product of 4-aminophenol, aniline, 4-methyl-1,3-benzenediamine and p-phenylenediamine with polysulfide
- Reference substance:
- Reaction product of 4-aminophenol, aniline, 4-methyl-1,3-benzenediamine and p-phenylenediamine with polysulfide
- PBT status:
- the substance is not PBT / vPvB
- Justification:
Conclusion on Persistance: vP (and P)
The ready biodegradability of the test substance was investigated according to the OECD 301 D. The degredation of the test substance was 23.4 % after 28 days. Therefore, test substance is not regarded as readily biodegradable according to OECD criteria, but poorly biodegradable in this test. Based on the available data, the substance is considered to be vP (and P).
Conclusion on Bioaccumulation: Not B and not vB
The log Pow of the test item is < -0.1 based on the solubility in water and n-octanol (see IUCLID section 4.7). This result is below the threshold value for bioaccumulative potential of log Pow > 4.5 as cited in the ECHA Guidance on Information Requirements and Chemical Safety Assessment, Part C: PBT/vPvB assessment (Version 3.0, June 2017). Thus, the substance is considered to be neither very bioaccumulative (vB) nor bioaccumulative (B).
Conclusion on Toxicity: Not T
The EC10 or NOEC for marine/fresh water organisms (long term toxicity) is considered to be >= 0.01 mg/L based on a weight of evidence approach considering the insolubility of the test item in aquatic test media (< 0.1 mg/L), its unlikelihood to cross biological membranes (due to its high molecular weight) and the NOEC of >0.023 mg/L determined with the read across substance Leucosulphur Yellow 22 in a Lemna gibba (duckweed) study according to OECD 221.
The substance does not meet the criteria for classification as carcinogenic (category 1A or 1B), germ cell mutagenic (category 1A or 1B), toxic for reproduction (category 1A, 1B, or 2) or specific target organ toxicity after repeated exposure (STOT RE category 1 or 2) according to Regulation EC No 1272/2008. Thus, the substance is considered as not T.
Overall conclusion on PBT and vPvB
Based on the available information, the substance is not PBT / vPvB according to Regulation (EC) 1907/2006.
Reference
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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