Registration Dossier
Registration Dossier
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1-(C12-C18 even numbered, C18 unsaturated)alkyl-1,4,5,6-tetrahydropyrimidin-2-aminium acetate and{[3-((C12-C18 even numbered, C18 unsaturated)alkylamino)propyl]amino}(imino)methanaminium acetate and[(3-{[ammonio(imino)methyl]amino}propyl)(C12-C18 even numbered, C18 unsaturated)alkylamino](imino)methanaminium diacetate
EC number: 939-650-3 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
SPECIAITION OF THE REGISTRATIONS SUBSTANCE
The registration substance is a multi-constituent and due to the strongly basic nitrogen atoms present in the different constituents (pKa112.7-14.7 and pKa210.1-13.8, see IUCLID Chapter 4.21) a cationic surfactant. Due to the estimated pKa it is obvious that in the environmental pH range of 4 to 9 the constituents are mono- or di-protonated.
SUMMARY OF THE AQUATIC ECOTOXICITY
| Test type | Guideline | Species | Endpoint | Value | Remark |
| Acute Fish | OECD 203 | Danio rerio | LC50 (96h) | 710 µg/L | |
| Acute Daphnia | OECD 202 | Daphnia magna | EC50 (48h) | 58 µg/L | |
| Algae | OECD 201 | Desmodesmus sups. | ErC50 (72h) | 20 µg/L | |
| Sludge respir, inhib. | OECD 209 | Non-adapted sludge | NOEC (3h) | 10 mg/L | EC50 (3h) 28 mg/L |
| Chronic Fish | OECD 211 | Danio rerio | NOEC repro (9d) | 130 µg/L | |
| Chronic Daphnia | OECD 202 | Daphnia magna | NOEC repro (21d) | 25 µg/L | |
| Algae | OECD 201 | Desmodesmus sups. | ErC10 (72h) | 4 µg/L | most sensitive |
Algae is the most sensitive species. The PNEC freshwater and marine is derived from the ErC10 (72h) algae of 4 µg/L.
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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