Registration Dossier

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2016
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2016
Report Date:
2016

Materials and methods

Principles of method if other than guideline:
Samples were stirred with a magnetic stirrer for 30 min. pH value was measured in water phase.
GLP compliance:
not specified

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: granular
Details on test material:
Batch RFR 6861-2-3
Specific details on test material used for the study:
Date of receipt: 2016-04-05
Expiry date: 2016-10-05
Storage conditions: room temperature

Reagents

Reagent:
water

Results and discussion

pH valueopen allclose all
pH value:
3.2
Concentration:
0.01 other: g/g
Remarks on result:
other: measurement at room temperature
Remarks:
Concentration ratio 1:99
pH value:
4.5
Concentration:
0.111 other: g/g
Remarks on result:
other: measurement at room temperature
Remarks:
Concentration ratio 1:9

Applicant's summary and conclusion

Conclusions:
5-Azoniaspiro[4.5]decane, hydrogen difluoride shows a pH value of 3.2 at a concentration ratio 1:99 (test substance : water) and 4.5 at 1:9 at room temperature.
Executive summary:

Test substance 5-Azoniaspiro[4.5]decane, hydrogen difluoride shows a pH value of 3.2 at a concentration ratio 1:99 (test substance : water) and 4.5 at 1:9 at room temperature. Results are measured via Knick 765 Calimatic pH apparatus.