Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
19-01-2018 – 19-01-2018
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 guidelines

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)
Principles of method if other than guideline:
The pH determination of test item (S)-2-methyl-5-(1-methylvinyl)cyclohex-2-en-1-one (CAS No. 2244-16-8) was done as per the test guideline OECD 122. The mean pH of the test solution was determined with the help of digital pH meter.
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
(S)-2-methyl-5-(1-methylvinyl)cyclohex-2-en-1-one
EC Number:
218-827-2
EC Name:
(S)-2-methyl-5-(1-methylvinyl)cyclohex-2-en-1-one
Cas Number:
2244-16-8
Molecular formula:
C10H14O
IUPAC Name:
5-isopropenyl-2-methylcyclohex-2-en-1-one
Test material form:
liquid
Details on test material:
- Name of test material: d-Carvone- IUPAC name: (5S)-2-methyl-5-(prop-1-en-2-yl)cyclohex-2-en-1-one- Molecular formula: C10H14O- Molecular weight: 150.22 g/mole- Smiles :C1[C@H](CC=C(C1=O)C)C(C)=C- Inchl: 1S/C10H14O/c1-7(2)9-5-4-8(3)10(11)6-9/h4,9H,1,5-6H2,2-3H3/t9-/m0/s1- Substance type: Organic- Physical state: Colorless
Specific details on test material used for the study:
- Name of test material: d-Carvone- IUPAC name: (5S)-2-methyl-5-(prop-1-en-2-yl)cyclohex-2-en-1-one- Molecular formula: C10H14O- Molecular weight: 150.22 g/mole- Smiles :C1[C@H](CC=C(C1=O)C)C(C)=C- Inchl: 1S/C10H14O/c1-7(2)9-5-4-8(3)10(11)6-9/h4,9H,1,5-6H2,2-3H3/t9-/m0/s1- Substance type: Organic- Physical state: Colorless

Reagents

Reagent:
water

Results and discussion

pH value
Key result
pH value:
5.71
Temp.:
25 °C
Remarks on result:
other: 1% w/v solution of the test item

Any other information on results incl. tables

TEST DESCRIPTION AND RESULT

Method Details

Observations

Remarks if, any

Guideline

OECD 122

 

 

Method

Digital pH meter

 

Principle of Method

The mean 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 emulsion

 

25°C

mean pH (RESULT)

 

5.71

Inference

 

1. Acidic

2. Basic

3. Neutral

 

Acidic

 

Applicant's summary and conclusion

Conclusions:
The pH of 1% w/v solution of the test item (S)-2-methyl-5-(1-methylvinyl)cyclohex-2-en-1-one (CAS No2244-16-8) was 5.71 at 25 °C.
Executive summary:

The pH determination of test item (S)-2-methyl-5-(1-methylvinyl)cyclohex-2-en-1-one (CAS No. 2244-16-8) was done as per the test guideline OECD 122. The mean pH of the test solution was determined with the help of digital pH meter.

pH of 1% w/v solution was measured with the help of pH meter and it was observed to be 5.71 at 25 °C.