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EC number: 260-135-8
CAS number: 56375-79-2
On the basis of the experimental
studies of the structurally and functionally similar read across
chemical and applying the weight of evidence approach, the hydrolysis
half-life value of the test chemical Tributylmethylammonium chloride can
be expected to be ≥ 1 yr at pH 4, 7 and 9 & at a temperature of 20°C or
5 to 63 days, respectively. Thus, based on this half-life value, it can
be concluded that the test chemical Tributylmethylammonium chloride
undergoes slow to negligible hydrolysis in water.
Data available for the structurally
and functionally similar read across chemicals has been reviewed to
determine the half-life of the test chemical Tributylmethylammonium
chloride (CAS no. 56375 -79 -2). The studies are as mentioned below:
The half-life of the test chemical was
determined at different pH range. The study was performed at pH of 4, 7
and 9, & at a temperature of 20°C, respectively. The half-life period of
test chemical was determined to be ≥ 1 yr at pH 4, 7 and 9, respectively
& at a temperature of 20°C and thus test chemical was reported to be
hydrolytically stable. On the basis of this, test chemical is considered
to be not hydrolysable.
In an another study, the half-life of
the test chemical was determined.The half-life value of test chemical
was determined to be ranges from 5 to 63 days, respectively. Thus, based
on the value, test chemical is considered to undergoe slow to negligible
hydrolysis in water.
For the test chemical, the hydrolysis
half-life value was determined.The hydrolysis of the quaternary nitrogen
to a tertiary amine and an alcohol is thermodynamically very unfavorable
with a delta G estimated from the delta H of reaction greater than +400
kJ mole. This is predicted to be a very endothermic reaction and should
occur only under conditions of very high temperature.Thus, it can be
concluded that the test chemical is stable in water and has a hydrolysis
half-life of > 1 yr. On the basis of this, test chemical is considered
to be not hydrolysable.
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