Registration Dossier

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
Study initiation date: 24 June 2009 Study completion date: 12. October 2009
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: pH determined in the context of water solubility study according to guidelines and GLP
Cross-reference
Reason / purpose for cross-reference:
reference to other study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Principles of method if other than guideline:
pH determined in the context of water solubility study according to guidelines and GLP
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
N-butyl acetate
EC Number:
204-658-1
EC Name:
N-butyl acetate
Cas Number:
123-86-4
Molecular formula:
C6H12O2
IUPAC Name:
butyl acetate
Details on test material:
- Analytical purity (GC): 99,65 % [m/m]
- Date of purity test: 24. June 2009
- Source: Tank 14
- Source Location: Marl
- Date of sampling: 24. March 2009
- Lot/LIMS-ID: 20090522105415

Results and discussion

pH value
pH value:
6.2
Temp.:
20 °C
Concentration:
5.3 g/L

Any other information on results incl. tables

The result given of pH 6.2 is the (rounded) mean of samples 1 -6 at a concentration of the test item of 5.3 g/L (rounded mean of samples 1 -6).

Individual values:

Sample

no.

Amount of

test item

[mg]

Added volume

of water

[mL]

Shaking time at 30 °C

[h]

Analysed carbon

concentration

[mg C/L]

Concentration of the test item

[mg/L]1)

pH value2)

1

586

15

24

3155

5081

6.17

2

579

15

24

3265

5258

6.15

3

559

15

48

3315

5338

6.18

4

552

15

48

3430

5523

6.18

5

571

15

72

3250

5233

6.17

6

564

15

72

3280

5282

6.19

1) calculated from the carbon concentration of the sample solutions and the carbon content of the pure test item 62.1 %)

2) The purified water used for the tests had a pH value of 7.32.

Applicant's summary and conclusion

Conclusions:
The pH is 6.2 at 20 °C and a concentration of the test item of 5.3 g/L.
Executive summary:

The pH value was determined in a water solubility guideline study under GLP. The pH is 6.2 at 20 °C and a concentration of the test item of 5.3 g/L.