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Diss Factsheets

Physical & Chemical properties

Partition coefficient

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Administrative data

Endpoint:
partition coefficient
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Study period:
2017
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: KOWWIN v.1.68 (U.S. Environmental Protection Agency)
GLP compliance:
no
Type of method:
calculation method (fragments)
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
4-[fluoro(dimethyl)silyl]butanenitrile
EC Number:
812-925-4
Cas Number:
1639345-42-8
Molecular formula:
C6H12FNSi
IUPAC Name:
4-[fluoro(dimethyl)silyl]butanenitrile
Test material form:
liquid

Results and discussion

Partition coefficient
Key result
Type:
log Pow
Partition coefficient:
2.17
Temp.:
20 °C
pH:
ca. 7
Details on results:

SMILES : F[Si](C)(C)CCCC(#N)
CHEM :
MOL FOR: C6 H12 F1 N1 Si1
MOL WT : 145.25
-------+-----+--------------------------------------------+---------+--------
TYPE | NUM | LOGKOW FRAGMENT DESCRIPTION | COEFF | VALUE
-------+-----+--------------------------------------------+---------+--------
Frag | 2 | -CH3 [aliphatic carbon] | 0.5473 | 1.0946
Frag | 3 | -CH2- [aliphatic carbon] | 0.4911 | 1.4733
Frag | 1 | -F [fluorine, aliphatic attach] |-0.0031 | -0.0031
Frag | 1 | -C#N [cyano, aliphatic attach] |-0.9218 | -0.9218
Frag | 1 | -Si- [silicon, aliphat attach (not oxy)] | 0.3004 | 0.3004
Const | | Equation Constant | | 0.2290
-------+-----+--------------------------------------------+---------+--------
NOTE | | This Si compound may react with water...Kow suspect!|
-------+-----+--------------------------------------------+---------+--------
Log Kow = 2.1724



Applicant's summary and conclusion