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Diss Factsheets

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1998
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: According to guideline; under GLP conditions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1998
Report date:
1998

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
ANSI/ASTM E 70-7700
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7000 (pH)
Deviations:
no
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
1-(allyloxy)-2-methyl-1-oxopropan-2-yl 2-chloro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-3,6-dihydropyrimidin-1(2H)-yl]benzoate
EC Number:
603-837-5
Cas Number:
134605-64-4
Molecular formula:
C20H18ClF3N2O6
IUPAC Name:
1-(allyloxy)-2-methyl-1-oxopropan-2-yl 2-chloro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-3,6-dihydropyrimidin-1(2H)-yl]benzoate

Results and discussion

pH valueopen allclose all
pH value:
8
Temp.:
25 °C
Remarks on result:
other: Aqueous Buffer Solution pH 8·0
pH value:
7.51
Temp.:
25 °C
Concentration:
1 other: % w/v
Remarks on result:
other: Dispersion A
pH value:
7.48
Temp.:
25 °C
Concentration:
1 other: % w/v
Remarks on result:
other: Dispersion B
pH value:
7.5
Temp.:
25 °C
Concentration:
1 other: % w/v
Remarks on result:
other: Average of test substance dispersions

Any other information on results incl. tables

Average pH of 1%w/v test substance in water: 7.5

The average value for the test substance is quoted correct to one decimal place.

Applicant's summary and conclusion

Conclusions:
The test substance has a pH 7.5 range 25 °C in 1 %w/v aqueous dispersion
Executive summary:

This study was performed in accordance with the Standard Test Method for pH of aqueous solutions with the glass electrode, E 70 - 77, reapproved 1986, of the American Society for Testing and Materials and with the Product Properties Test Guideline, OPPTS 830.7000, USA, 1996. The pH, correct to one decimal place, of a 1% (w/v) aqueous dispersion of the test substance was determined to be: 7.5 at 25 °C.

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