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EC number: 931-384-6 | CAS number: -
Vapour pressure was measured at temperatures between 40 - 50 C. A total of seven tests were performed. The average vapour pressure was .032 Pa (standard deviation = 0.0025). Linear regression analysis was used to calculate the vapour pressure at 25 C. The test material did not show any change in appearance during the test.
Representative data are given in Table 1. The plot is attached as Figure 1.
Table 1. Vapour Pressure Measurements at 41 - 50 C
Reciprocal Temperature (1/K)
Mass Difference (µg)
Vapour Pressure (Pa)
R2 = 0.992
The vapour pressure of the test material was determined using the vapour pressure balance method following EU Method A.4 guidelines. Measurements were made between temperatures of 40 - 50 C. A plot of log P vs 1/K was prepared from the experimental measurements and was used to calculate the vapour pressure of the test material at 25 C. The vapour pressure of the test material at 25 degrees C is 0.032 Pa.
The test material did not show transitions in physical state during testing.
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