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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
water solubility
Type of information:
(Q)SAR
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Model considered to be reliable and one of the best QSARs available for predicting this end point.
Justification for type of information:
QSAR prediction: migrated from IUCLID 5.6

Data source

Reference
Reference Type:
other: QSAR
Title:
Episuite 4.1
Author:
US EPA
Year:
2012
Bibliographic source:
http://www.epa.gov/oppt/exposure/pubs/episuitedl.htm

Materials and methods

Principles of method if other than guideline:
QSAR method
Type of method:
other: QSAR

Test material

Constituent 1
Chemical structure
Reference substance name:
7-methylidenepentadecane
EC Number:
603-419-2
Cas Number:
13043-55-5
Molecular formula:
C16H32
IUPAC Name:
7-methylidenepentadecane
Details on test material:
Smiles code used for modelling: CCCCCCC(=C)CCCCCCCC

Results and discussion

Water solubility
Water solubility:
0.657 µg/L
Temp.:
20 °C
pH:
7

Any other information on results incl. tables

                 Water Sol (v1.01 est): 0.00065708 mg/L

 

SMILES : CCCCCCC(=C)CCCCCCCC

CHEM  :

MOL FOR: C16 H32

MOL WT : 224.43

-------+-----+------------------------------------------------+----------+---------

 TYPE | NUM |   WATER SOLUBILITY FRAGMENT DESCRIPTION   | COEFF  | VALUE 

-------+-----+------------------------------------------------+----------+---------

 Frag | 2  | -CH3   [aliphatic carbon]            |-0.3213  | -0.6425

 Frag | 12 | -CH2-  [aliphatic carbon]             |-0.5370  | -6.4442

 Frag | 1  | =CH2   [olefinic carbon]               |-0.4789  | -0.4789

 Frag | 1  | =CH- or =C< [olefinc carbon]             |-0.3646  | -0.3646

 Factor| 1  | Hydrocarbon [unsub mono-olefin] correction |-0.8524  | -0.8524

 Const |   | Equation Constant                     |       | 0.2492

-------+-----+-------------------------------------------------+----------+---------

                        Log Water Sol (moles/L) at 25 dec C =  -8.5335

                        Water Solubility (mg/L) at 25 dec C =0.00065708

Applicant's summary and conclusion

Conclusions:
Interpretation of results (migrated information): insoluble (< 0.1 mg/L)