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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Eye irritation

Currently viewing:

Administrative data

Endpoint:
eye irritation: in vivo
Type of information:
(Q)SAR
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Justification for type of information:
QSAR prediction: migrated from IUCLID 5.6

Data source

Reference
Reference Type:
other: Prediction report
Title:
[R]: 20.9 "Human Health Hazards#Irritation / Corrosion" for 142-88-1
Author:
Sustainability Support Services (Europe) AB
Year:
2013
Bibliographic source:
QSAR Toolbox Version 3.0

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Estimated data
Principles of method if other than guideline:
QSAR prediction is done using QSAR Toolbox Version 3.0
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Piperazine adipate
EC Number:
205-569-0
EC Name:
Piperazine adipate
Cas Number:
142-88-1
Molecular formula:
C6H10O4.C4H10N2
IUPAC Name:
piperazine adipate
Details on test material:
SMILES:C(=O)(O)CCCCC(=O)O_C1CNCCN1

Test animals / tissue source

Species:
rabbit
Strain:
not specified

Test system

Vehicle:
not specified

Results and discussion

In vivo

Results
Irritation parameter:
other: MMAS
Basis:
mean
Score:
20.9
Reversibility:
not specified
Remarks on result:
other: Not irritaing to eyes

Any other information on results incl. tables






The prediction was based on dataset comprised from the following descriptors: MMAS
Estimation method: Takes average value from the 5 nearest neighbours
Domain logical expression:Result: Out of Domain

(((("a" and ("b" and ( not "c") ) ) and "d" ) and ("e" and ( not "f") ) ) and ("g" and "h" ) )

Domain logical expression index: "a"

Similarity boundary:Target: C(=O)(O)CCCCC(=O)O_C1CNCCN1
Threshold=50%,
Dice(Atom pairs)

Domain logical expression index: "b"

Referential boundary: The target chemical should be classified as No alert found by Protein binding by OASIS v1.1

Domain logical expression index: "c"

Referential boundary: The target chemical should be classified as Michael addition OR Michael addition >> Michael addition on conjugated systems with electron withdrawing group OR Michael addition >> Michael addition on conjugated systems with electron withdrawing group >> alpha,beta-carbonyl compounds with polarized double bonds OR Schiff base formation OR Schiff base formation >> Schiff base formation with carbonyl compounds OR Schiff base formation >> Schiff base formation with carbonyl compounds >> Aldehydes OR SN2 OR SN2 >> Interchange reaction with sulphur containing compounds OR SN2 >> Interchange reaction with sulphur containing compounds >> Thiols and disulfide compounds OR SN2 >> Nucleophilic substitution at sp3 Carbon atom OR SN2 >> Nucleophilic substitution at sp3 Carbon atom >> Activated alkyl esters OR SN2 >> Nucleophilic substitution at sp3 Carbon atom >> alpha-haloalkanes OR SN2 >> Ring opening SN2 reaction OR SN2 >> Ring opening SN2 reaction >> Epoxides, Aziridines and Sulfuranes by Protein binding by OASIS v1.1

Domain logical expression index: "d"

Referential boundary: The target chemical should be classified as High (Class III) AND Low (Class I) by Toxic hazard classification by Cramer (original)

Domain logical expression index: "e"

Referential boundary: The target chemical should be classified as Inclusion rules not met by Eye irritation/corrosion Inclusion rules by BfR

Domain logical expression index: "f"

Referential boundary: The target chemical should be classified as Aliphatic monoalcohols by Eye irritation/corrosion Inclusion rules by BfR

Domain logical expression index: "g"

Parametric boundary:The target chemical should have a value of log Kow which is >= 0.213

Domain logical expression index: "h"

Parametric boundary:The target chemical should have a value of log Kow which is <= 1.74

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information 20.9 Criteria used for interpretation of results: EU
Conclusions:
Based on the predicted MMAS score on rabbit eyes for piperazine adipate is estimated to be 20.9. Based on this value it can concluded that piperazine adipate is not classified as irritating to eyes as per the criteria of new CLP regulation and also MMAS value is less than 25.
Executive summary:

Based on the predicted MMAS score on rabbit eyes for piperazine adipate is estimated to be 20.9. Based on this value it can concluded that piperazine adipate is not classified as irritating to eyes as per the criteria of new CLP regulation and also MMAS value is less than 25.