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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
28/7/2016-28/7/2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods
Justification for type of information:
Experimental result with standard methods of analysis

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2016
Report date:
2016

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: as mentioned below
Principles of method if other than guideline:
The pH determination of test item 3-methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)- 3-Buten-2-one (CAS No. 127-51-5) was done as per the test guideline OECD 122. The pH of the test solution was determined with the help of digital pH meter.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
3-methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one
EC Number:
204-846-3
EC Name:
3-methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one
Cas Number:
127-51-5
Molecular formula:
C14H22O
IUPAC Name:
3-methyl-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one
Test material form:
liquid
Details on test material:
- Name of test material : 3-methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one
- Common name : alpha-isomethyl ionone
- Molecular formula : C14H22O
- Molecular weight : 206.327 g/mol
- Smiles notation : C1([C@@H](\C=C(\C(C)=O)C)C(=CCC1)C)(C)C
- InChl : 1S/C14H22O/c1-10-7-6-8-14(4,5)13(10)9-11(2)12(3)15/h7,9,13H,6,8H2,1-5H3/b11-9+
- Substance type : Organic
- Physical state : Liquid
Specific details on test material used for the study:
- Name of test material : 3-methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one
- Common name : alpha-isomethyl ionone
- Molecular formula : C14H22O
- Molecular weight : 206.327 g/mol
- Smiles notation : C1([C@@H](\C=C(\C(C)=O)C)C(=CCC1)C)(C)C
- InChl : 1S/C14H22O/c1-10-7-6-8-14(4,5)13(10)9-11(2)12(3)15/h7,9,13H,6,8H2,1-5H3/b11-9+
- Substance type : Organic
- Physical state : Liquid

Results and discussion

pH value
Key result
pH value:
5.44
Temp.:
30 °C
Concentration:
1 other: %w/v
Remarks on result:
other: No other detail available

Applicant's summary and conclusion

Conclusions:
The mean pH of 1% w/v emulsion of the test item 3-methyl-4-(2, 6, 6-trimethyl-2-cyclohexen-1-yl)- 3-Buten-2-one (CAS No. 127-51-5) was 5.44 at 30°C.
Executive summary:

The pH determination of test item3-methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-Buten-2-one(CAS No. 127-51-5) was done following OECD guideline 122.The mean pH of 1% w/vemulsionwas measured with the help of pH meter and it was observed to be 5.44 at 30°C.