Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
in vivo mammalian somatic cell study: cytogenicity / bone marrow chromosome aberration
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Two doses over 24 hour period
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Justification for type of information:
Data taken from US EPA review. Source of primary data not know, but accepted as reliable by EPA.

Data source

Reference
Reference Type:
review article or handbook
Title:
Unnamed
Year:
1987

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 475 (Mammalian Bone Marrow Chromosome Aberration Test)
GLP compliance:
yes
Type of assay:
mammalian germ cell cytogenetic assay

Test material

Constituent 1
Chemical structure
Reference substance name:
1-Propanaminium, 3-amino-N-(carboxymethyl)-N,N-dimethyl-, N-coco acyl derivs., hydroxides, inner salts
EC Number:
263-058-8
EC Name:
1-Propanaminium, 3-amino-N-(carboxymethyl)-N,N-dimethyl-, N-coco acyl derivs., hydroxides, inner salts
Cas Number:
61789-40-0
Molecular formula:
C19H38N2O3
IUPAC Name:
{[3-(Dodecanoylamino)propyl](dimethyl)ammonio}acetate
Specific details on test material used for the study:
Material covered by review is the non-phosphated organic part of the registered substance. There is evidence to suggest that the phosphate ester in teh registered substance will metabolise quickly to the non-phosphated form

Test animals

Species:
mouse

Administration / exposure

Route of administration:
intraperitoneal
Vehicle:
Distilled water
Duration of treatment / exposure:
Two administration ponits over 24 hour period
Frequency of treatment:
24 hours
Post exposure period:
Animals killed 6 hours after second treatment.
Doses / concentrations
Dose / conc.:
2 000 mg/kg bw/day (nominal)
No. of animals per sex per dose:
five
Control animals:
yes, historical

Results and discussion

Test results
Sex:
male/female
Genotoxicity:
negative
Toxicity:
no effects
Positive controls validity:
valid

Applicant's summary and conclusion

Conclusions:
Considered by EPA to be 'valid without restrictions'
Primary source of data is unknown.