D-tetramethrin

pH

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

Test material information

Constituent 1

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

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

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

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.