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EC number: 202-795-1
CAS number: 99-86-5
Test temperature: 20°C
Solution concentration: 90% saturated solution (approximately 8 mg/L)
Solution age: Prepared immediately before measurement
Initial values for the surface tension were obtained as soon as possible
after transfer of the
aqueous solution to the measurement vessel.
Table 1. Results of test
Surface tension (mN/m)
Note: The calibration corrected values in the table are calculated from
the unrounded calibration factor, while the overall mean values below
are rounded to the nearest ± 0.5 mN/m (the accuracy to which
measurements were recorded).
Overall mean calibration corrected surface tension = 71.5 mN/m
Harkins-Jordan* corrected value = 70.5 mN/m
The surface tension of alpha-terpinene was determined according to OECD
technical Guidance 115. The surface tension of a 90% saturated aqueous
solution of alpha-terpinene was found to be 70.5 mN/m. As the result was
greater than 60 mN/m, the test item was not considered to be surface
Ke study: Test method according to OECD TG 115 and EU method A.5, GLP
study. The surface tension of a 90% saturated aqueous solution of
alpha-terpinene was found to be 70.5 mN/m. As the result was greater
than 60 mN/m, the test item was not considered to be surface active.
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