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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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.