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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Water solubility

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
20-02-2018 – 26-02-2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental test result performed using standard test guidelines
Qualifier:
according to guideline
Guideline:
other: spectrophotometric analytical method
Principles of method if other than guideline:
The water solubility 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 OECD guideline 105 by spectrophotometric analytical method as per OECD 101.
GLP compliance:
no
Type of method:
other: spectrophotometric analytical method
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
Key result
Water solubility:
27.953 mg/L
Conc. based on:
test mat.
Temp.:
25 °C
Remarks on result:
other: No other detail available

Obseravtionn Table:

Sample stirring

Concentration obtained on

Dilution factor

Solubility value obtained

 

the basis of standard curve

 

(mg/L)

24 hour

-

-

-

48 hour

4.5290

5

22.645

72 hour

6.6523

5

33.2615

Conclusions:
The water solubility 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 OECD guideline 105 by spectrophotometric analytical method as per OECD 101. The solubility of 3 -methyl-4 -(2,6,6 -trimethyl-2 -cyclohexen-1 -yl)-3 -buten-2 -one ( CAS No: 127 -51 -5 ) in water was found to be 27.9532 mg/L at 25°C.
Thus 3 -methyl-4 -(2,6,6 -trimethyl-2 -cyclohexen-1 -yl)-3 -buten-2 -one is considered to be slightly soluble in water.
Executive summary:

The water solubility 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 OECD guideline 105 by spectrophotometric analytical method as per OECD 101. The solubility of 3 -methyl-4 -(2,6,6 -trimethyl-2 -cyclohexen-1 -yl)-3 -buten-2 -one ( CAS No: 127 -51 -5 ) in water was found to be 27.9532 mg/L at 25°C.

Thus 3 -methyl-4 -(2,6,6 -trimethyl-2 -cyclohexen-1 -yl)-3 -buten-2 -one is considered to be slightly soluble in water.

Description of key information

The water solubility 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 OECD guideline 105 by spectrophotometric analytical method as per OECD 101. The solubility of 3 -methyl-4 -(2,6,6 -trimethyl-2 -cyclohexen-1 -yl)-3 -buten-2 -one ( CAS No: 127 -51 -5 ) in water was found to be 27.9532 mg/L at 25°C.

Thus 3 -methyl-4 -(2,6,6 -trimethyl-2 -cyclohexen-1 -yl)-3 -buten-2 -one is considered to be slightly soluble in water.

Key value for chemical safety assessment

Water solubility:
27.953 mg/L
at the temperature of:
25 °C

Additional information

The water solubility 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 OECD guideline 105 by spectrophotometric analytical method as per OECD 101. The solubility of 3 -methyl-4 -(2,6,6 -trimethyl-2 -cyclohexen-1 -yl)-3 -buten-2 -one ( CAS No: 127 -51 -5 ) in water was found to be 27.9532 mg/L at 25°C.

Thus 3 -methyl-4 -(2,6,6 -trimethyl-2 -cyclohexen-1 -yl)-3 -buten-2 -one is considered to be slightly soluble in water.

As per database, the water solubility of test chemical 3-methyl-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one is deterimned to be in the range of  21-44 mg/L. Other supporting data from secondary source also indicates the solubility value as 16mg/L, which falls in the range of the selected key value.

This indicates that the substance is slightly soluble in water .