Registration Dossier

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
04/07/2014 - 04/07/2014
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Data is from experimental study report

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2014
Report Date:
2014

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 122 (Determination of pH, Acidity and Alkalinity)
Principles of method if other than guideline:
The pH determination of test substance styrenated phenol (CAS No. 61788-44-1) was done as per the test guideline OECD 122. The method followed was according to pH meter.
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
liquid
Details on test material:
- Name of test material: Phenol styrenated
- Molecular weight: 1011.3956 g/mol
- Smiles notation: OC1=C(C=C)C=C(C=C)C=C1
- InChl: InChI=1/C10H10O/c1-3-8-5-6-10(11)9(4-2)7-8/h3-7,11H,1-2H2
- Substance type: organic
- Physical state: Liquid

Specific details on test material used for the study:
- Name of test material: Phenol styrenated
- Molecular weight: 1011.3956 g/mol
- Smiles notation: OC1=C(C=C)C=C(C=C)C=C1
- InChl: InChI=1/C10H10O/c1-3-8-5-6-10(11)9(4-2)7-8/h3-7,11H,1-2H2
- Substance type: organic
- Physical state: Liquid

Results and discussion

pH value
Key result
pH value:
6.85
Temp.:
30 °C
Concentration:
1 vol%
Remarks on result:
other: NEAR TO NEUTRAL

Any other information on results incl. tables

Details

Readings

Remarks

Guideline

OECD 122

 

 

Method

 

pH Meter

 

 

Principle of method

 

 

 

 

 

 

 

A pH meter is essentially a voltmeter with high input impedance which measures the voltage of an electrode sensitive to the hydrogen ion concentration, relative to another electrode which exhibits a constant voltage.

 

 

Temperature of 1% w/v test solution

-

30°C

 

pH (RESULT)

 

-

6.85

 

Inference

1.   Acidic

2.   Basic

3.   Neutral

 

 

 

 

Neutral

Applicant's summary and conclusion

Conclusions:
pH of 1% w/v aqueous solution of the test substance Styrenated phenol (CAS No. 61788-44-1) is 6.85 at 30°C.
Executive summary:

The pH determination of test substance styrenated phenol (CAS No. 61788-44-1) was done as per the test guideline OECD 122. The method followed was according topH meter. The pH was determine to be 6.85 at 300C.