Registration Dossier

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017 - 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 122 (Determination of pH, Acidity and Alkalinity)
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
(1,3,4,5,6,7-hexahydro-1,3-dioxo-2H-isoindol-2-yl)methyl (1R-trans)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
EC Number:
214-619-0
EC Name:
(1,3,4,5,6,7-hexahydro-1,3-dioxo-2H-isoindol-2-yl)methyl (1R-trans)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
Cas Number:
1166-46-7
Molecular formula:
C19H25NO4
IUPAC Name:
(1,3-dioxo-1,3,4,5,6,7-hexahydro-2H-isoindol-2-yl)methyl (1R,3R)-2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropanecarboxylate
Constituent 2
Chemical structure
Reference substance name:
(1,3,4,5,6,7-hexahydro-1,3-dioxo-2H-isoindol-2-yl)methyl (1R-cis)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
EC Number:
257-144-4
EC Name:
(1,3,4,5,6,7-hexahydro-1,3-dioxo-2H-isoindol-2-yl)methyl (1R-cis)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
Cas Number:
51348-90-4
Molecular formula:
C19H25NO4
IUPAC Name:
(1,3-dioxo-1,3,4,5,6,7-hexahydro-2H-isoindol-2-yl)methyl (1R,3S)-2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropanecarboxylate
impurity 1
Chemical structure
Reference substance name:
1,3-dioxo-1,3,4,5,6,7-hexahydro-2H-isoindol-2-yl)methyl (1S,3S)-2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropanecarboxylate
Cas Number:
1166-48-9
Molecular formula:
C19H25NO4
IUPAC Name:
1,3-dioxo-1,3,4,5,6,7-hexahydro-2H-isoindol-2-yl)methyl (1S,3S)-2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropanecarboxylate
impurity 2
Chemical structure
Reference substance name:
(1,3-dioxo-1,3,4,5,6,7-hexahydro-2H-isoindol-2-yl)methyl (1S,3R)-2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropanecarboxylate
Cas Number:
51348-91-5
Molecular formula:
C19H25NO4
IUPAC Name:
(1,3-dioxo-1,3,4,5,6,7-hexahydro-2H-isoindol-2-yl)methyl (1S,3R)-2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropanecarboxylate
impurity 3
Reference substance name:
Unknown impurities
IUPAC Name:
Unknown impurities
Test material form:
liquid: viscous
Details on test material:
purity according to certificate 98.5%
Specific details on test material used for the study:
Lot/batch No.of test material: 201704012 - R1704026

Reagents

Reagent:
buffer solutions

Titration of acidity and alkalinity

Details on titrant used:
Buffer pH 4
Buffer pH 7

Results and discussion

pH value
Key result
pH value:
5.1
Temp.:
20 °C
Concentration:
1 other: % (w/v)

Applicant's summary and conclusion

Conclusions:
The pH of test item is 5.1. at 20 °C.
Executive summary:

The pH of the test item d-Tetramethrin, measured as 1% (w/v) disperion in water has been measured according to test guideline OECD 122. The pH of test item is 5.1. at 20 °C.