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EC number: 203-904-5
CAS number: 111-75-1
Stability in the environment
The half-life in air was predicted with
AOPWIN v1.92 and resulted in a time duration of about 1.4 hours
(Chemservice S.A., 2018). No specific reaction mechanism (i.e. with
ozone or nitrate radicals) is relevant for Butylaminoethanol.
Based on the chemical structure,
Butylaminoethanol will not undergo hydrolytical reactions in the
Butylaminoethanol was found to be
readily biodegradable according to OECD Guideline 301D (Closed Bottle
Test; Drake, 2011). Based on results of a CO2Evolution Test
(OECD 301B), performed by BASF SE the substance was also readily
biodegradable, but failing the 10-day window criterion based on the mean
biodegradation values of the replicates. However, the substance met the
criteria for ready biodegradability in the individual assays (BASF SE,
2013). The experimental findings are supported by the prediction with
BIOWIN v4.10 (Chemservice S.A., 2018). It is concluded that
Butylaminoethanol is readily biodegradable.
The Bioconcentration Factor (BCF) of
Butylaminoethanol was predicted as 3.162 L/kg using BCFBAFWIN v3.00
(Chemservice S.A., 2017). Thus, bioaccumulation in aquatic organisms is
not expected. The low bioaccumulative potential of Butylaminoethanol is
also indicated by the measured low logPow, which amounts to 0.64 (BASF
Transport and distribution
QSAR predictions were used to calculate the
Koc in soil as well as the HLC (Henry´s Law constant) of
Butylaminoethanol (Chemservice S.A., 2017). The MCI method of KOCWIN
v2.00 revealed a value of 7.887 L/kg, thus indicating a strong binding
capacity towards organic soil particles.
The HLC is predicted for 25 °C. The Group
Method revealed a value of 6.08 E-005 Pa*m³/mol, the Bond Method
resulted in 1.91 E-004 Pa*m³/mol.
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