Diphenyl sulphide

pH

Administrative data

Endpoint:

pH

Type of information:

experimental study

Adequacy of study:

key study

Study period:

18/3/2016 - 18/3/2016

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Justification for type of information:

Experimental test result performed using standard OECD test guideline.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2016

Report date:

2016

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 122 (Determination of pH, Acidity and Alkalinity)

Principles of method if other than guideline:

The pH of an aqueous solution or dispersion in water is determined with a pH measurement interface equipped with an appropriate electrode system.

GLP compliance:

no

Test material

Test material information

Constituent 1

Reference substance name:

Diphenyl sulphide

EC Number:

205-371-4

EC Name:

Diphenyl sulphide

Cas Number:

139-66-2

Molecular formula:

C12H10S

IUPAC Name:

(phenylsulfanyl)benzene

Test material form:

liquid

Details on test material:

Name of test material (as cited in study report): Diphenyl sulphide
Molecular formula:C12H10S
Molecular weight:186.277 g/mol
Smiles : c1(Sc2ccccc2)ccccc1
InChI : 1S/C12H10S/c1-3-7-11(8-4-1)13-12-9-5-2-6-10-12/h1-10H
Substance Type: Organic
Physical State: Liquid

Specific details on test material used for the study:

Name of test material (as cited in study report): Diphenyl sulphide
Molecular formula:C12H10S
Molecular weight:186.277 g/mol
Smiles : c1(Sc2ccccc2)ccccc1
InChI : 1S/C12H10S/c1-3-7-11(8-4-1)13-12-9-5-2-6-10-12/h1-10H
Substance Type: Organic
Physical State: Liquid

Results and discussion

pH value

Key result

pH value:

8.27

Temp.:

32 °C

Concentration:

1 other: % w/v

Remarks on result:

other: Basic

Any other information on results incl. tables

TEST RESULTS

Method Details		Observations	Remarks if, any
Guideline	OECD 122
Method	Digital pH meter
Principle of method	The pH of an aqueous solution or dispersion in water is determined with a pH measurement interface equipped with an appropriate electrode system.
Temperature of 1% w/v test solution	-	32 °C
pH (RESULT)	-	8.27
Inference	1.   Acidic 2.   Basic 3.   Neutral	Basic

 

RESULT: The pH of 1% w/v aqueous solution of the test itemDiphenyl sulphide(CAS No. 139-66-2) was 8.27 at 32 °C.

Applicant's summary and conclusion

Conclusions:

The pH determination of test item Diphenyl sulphide (CAS No. 139-66-2) was done following OECD guideline 122. pH of 1% w/v aqueous solution was measured with the help of pH meter and it was observed to be 8.27 at 32°C.

Executive summary:

The pH determination of test itemDiphenyl sulphide(CAS No. 139-66-2) was done as per the test guideline OECD 122. The pH of the test solution was determined with the help of digitalpH meter. The pH was determine to be 8.27 at 32°C. This value indicates that the substance Diphenyl sulphide (CAS No. 139-66-2) is basic in nature.