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Diss Factsheets
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EC number: 701-162-1 | CAS number: -
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
![](https://echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_toxicological-information.png)
Developmental toxicity / teratogenicity
Administrative data
- Endpoint:
- developmental toxicity
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Study period:
- 2012-2013
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- Scientifically well-performed; obtained result sufficiently reliable and robust for classification of the registration substance; equivalent to OECD 414 with reduced number of animals; Non-GLP Justification for read-across: the grouped substances differ only that the registraton substance is a weak acid and the read-across substance is the corresponding weak base. When dissolved in water the read-across supporting substance will be converted to the registration substance.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 414 (Prenatal Developmental Toxicity Study)
- Deviations:
- yes
- Remarks:
- reduced number of animals; 5 animals per group instead of 20
- Principles of method if other than guideline:
- Aim of the study: In the OECD 422 study on the registration substance, reduced number of pubs were found. The introduced study aimed to clarify whether the effects found in the OECD 422 originated from the fertility impairment or fetotoxicity. The use of reduced number of animals is justified, since the study did not aim to demonstrate the absence of the reproduction toxicity.
- GLP compliance:
- no
- Limit test:
- no
Test material
- Reference substance name:
- (Pentapropylensuccinimido)hexanoic acid, sodium and triethanolamine salts
- IUPAC Name:
- (Pentapropylensuccinimido)hexanoic acid, sodium and triethanolamine salts
- Reference substance name:
- sodium/triethanolamine- 6-(2,5-dioxo-3-C12-18-alkenyl(even and odd, branched, unsaturated)-pyrrolidin-1-yl)hexanoate
- EC Number:
- 800-766-3
- Molecular formula:
- C22H36NO4.1/2Na.1/2C6H16NO3 - C28H48NO4.1/2Na.1/2C6H16NO3
- IUPAC Name:
- sodium/triethanolamine- 6-(2,5-dioxo-3-C12-18-alkenyl(even and odd, branched, unsaturated)-pyrrolidin-1-yl)hexanoate
Constituent 1
Constituent 2
Test animals
- Species:
- rat
- Strain:
- Wistar
Administration / exposure
- Route of administration:
- oral: gavage
- Vehicle:
- water
- Analytical verification of doses or concentrations:
- no
- Details on mating procedure:
- After acclimatization, females will be housed with sexually mature males (1:1) in special automatic mating cages i.e. with synchronized timing to initiate the nightly mating period, until evidence of copulation is observed. This system reduces the variation in the copulation times of the different females. The females will be removed and housed individually if:
- the daily vaginal smear is sperm positive, or
- a copulation plug is observed.
The day of mating will be designated day 0 post coitum.
Male rats of the same source and strain will be used only for mating. These male rats are not considered part of the test system. The fertility of these males has been proven and is continuously monitored. - Duration of treatment / exposure:
- day 6 post coitum onwards; last treatment on day 20 post coitum
- Frequency of treatment:
- once per day
- Duration of test:
- Caesarean section and necropsy on day 21 post coitum
- No. of animals per sex per dose:
- 5
- Control animals:
- yes, concurrent vehicle
Examinations
- Maternal examinations:
- Viability / Mortality: twice daily
Clinical Signs: Daily cage-side clinical observations (once daily, during acclimation and up to day of necropsy)
Food Consumption: recorded at 3-day intervals
Body Weights: recorded daily from day 0 until day 21 post coitum - Ovaries and uterine content:
- The ovaries and uterine content was examined after termination: Yes
Examinations included:
- Gravid uterus weight: Yes
- Number of corpora lutea: Yes
- Number of implantations: Yes
- Number of early resorptions: Yes
- Number of late resorptions: Yes - Fetal examinations:
- - External examinations: Yes: [all per litter ]
- Soft tissue examinations: Yes: [half per litter ]
- Skeletal examinations: Yes: [half per litter ]
- Head examinations: Yes: [half per litter ]
Results and discussion
Results: maternal animals
Maternal developmental toxicity
- Details on maternal toxic effects:
- Maternal toxic effects:no effects
Effect levels (maternal animals)
- Key result
- Dose descriptor:
- NOAEL
- Effect level:
- 40 mg/kg bw/day
- Based on:
- test mat.
- Basis for effect level:
- body weight and weight gain
- food consumption and compound intake
Results (fetuses)
- Details on embryotoxic / teratogenic effects:
- Embryotoxic / teratogenic effects:yes
Effect levels (fetuses)
- Key result
- Dose descriptor:
- LOAEL
- Effect level:
- 8 mg/kg bw/day
- Based on:
- test mat.
- Sex:
- male/female
- Basis for effect level:
- external malformations
- skeletal malformations
- visceral malformations
Fetal abnormalities
- Key result
- Abnormalities:
- effects observed, treatment-related
- Description (incidence and severity):
- Changes in the size or shape of the nasopharyns, nasal septum incompletely fused to the palate at dose of 200 mg/kg bw; Increased number of supernumerary ribs at 40 and 200 mg/kg bw: Small spleen down to dose of 8 mg/kg bw.
Overall developmental toxicity
- Key result
- Developmental effects observed:
- yes
- Lowest effective dose / conc.:
- 8 mg/kg bw/day
- Treatment related:
- yes
- Relation to maternal toxicity:
- developmental effects occurring together with maternal toxicity effects, but not as a secondary non-specific consequence of maternal toxicity effects
Any other information on results incl. tables
Study Summary:
Study design: The study was performed equivalent to the OECD Guideline 414 with the deviation that 5 pregnant animals per dose group were used. The application route was per gavage with water as vehicle. The applied doses were 0, 8, 40 and 200 mg/kg bw. The observations parameters were according to the Guideline as well.
Maternal toxicity: Upon clinical observation no effect indicative of toxicity was found. At 200 mg/kg bw the food consumption and the body weight gain were slightly reduced. No effect was found for animals of 40 and 8 mg/kg bw.
Reproduction data upon Caesarian section: No difference was found for control and treated animals upon investigation on number of corpora lutea, implantation sites and number of live fetuses.
Fetal evaluation:
- External examination: two fetuses of 200 mg/kg bw exhibited abnormalties; one no lower jaw, small mouth opening and possibly a cleft palate and the other a cleft palate.
- Visceral abnormalities: all fetuses of 200 mg/kg bw had small spleen and incomplete fusion of nasal septum to palate; small spleen was found down to dose level of 8 mg/kg bw.
- Skeletal abnormalities: abnormalities were found in all fetuses of 200 mg/kg bw, comprising thin skull zygomatic jugal arch, abnormal curvature of pectoral girdle clavicle, absent humerus deltoid tuberosity in forelimb, short mid region of rib cage, abnormal curvature of hyoid body and abnormal spacing of zygomatic arch structures; increased number of supernumerary ribs was found at 200 and 40 mg/kg bw.
Tab: Incidence of some fetal toxicity found down to mid/low doses |
||||
a) Small spleen in intrauterine exposed fetuses |
||||
|
Control n=32 |
8 mg/kg bw n=36 |
40 mg/kg bw n=35 |
200 mg/kg bw n=32 |
Spleen small or small severe (total) |
1 (3%) |
4 (11%) |
17 (49%) |
32 (100%) |
Small (ca. 75% of expected size) |
1 (3%) |
4 (11%) |
16 (46%) |
5 (16%) |
Small severe (ca. 50% of expected size) |
0 (-) |
0 (-) |
1 (3%) |
27 (84%) |
b) Supernumerary ribs, rudimentary in intrauterine exposed fetuses |
||||
|
Control n=29 |
8 mg/kg bw n=33 |
40 mg/kg bw n=33 |
200 mg/kg bw n=28 |
Left |
7 (24%) |
8 (24%) |
26 (79%) |
24 (82%) |
Right |
8 (28%) |
5 (15%) |
24 (73%) |
25 (89%) |
Conclusion: Clear toxic effects were found for fetuses at doses that were not associated with an apparent maternal toxicity.
Applicant's summary and conclusion
- Conclusions:
- The registration substance was assessed based on the data on read-across supporting substance, in which clear fetotoxicity was found at doses that were not associated with apparent maternal toxicities. The study is considered to be valid to demontrate the developmental toxicity of the registration substance. The assignment of Cat 2:R61 is justified according to 67/548/EEC (DSD).
- Executive summary:
The developmental toxicity of the registration substance was assessed based on data on the read-across substances, (Pentapropylensuccinimido)-hexanoic acid, sodium and triethanolamine salts.
(Pentapropylensuccinimido)-hexanoic acid, sodium and triethanolamine salts was investigated for its developmental toxicity equivalent to the OECD Guideline 414 with the deviation that 5 pregnant animals per dose group were used. The application route was per gavage with water as vehicle. The applied doses were 0, 8, 40 and 200 mg/kg bw. The observations parameters were according to the Guideline as well.
No significant clinical effect was found for all treated dams. At 200 mg/kg bw the food consumption and the body weight gain were slightly reduced. No effect was found for animals of 40 and 8 mg/kg bw.
With respective to the reproduction performance of the treated animals, the investigated parameters such as number of corpora lutea, implantation sites and number of live fetuses were comparable to those of control animals.
Upon examination of fetuses, increased frequency of a small spleen was noted down to the dose level of 8 mg/kg bw/day. Increased number of supernumerary ribs (rudimentary) was noted at the dose levels of 200 and 40 mg/kg bw/day. In addition, changes in the size or shape of the nasopharyns, nasal septum incompletely fused to the palate as well as several abnormalitiers and variations in skeleton were noted at the dose level of 200 mg/kg bw/day.
Based on the fetotoxicity found down to dose of 8 mg/kg bw, the LOAEL of 8 mg/kg bw was established.
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.
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