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EC number: 307-276-4 | CAS number: 97592-79-5
Vapour pressure
Administrative data
Link to relevant study record(s)
Description of key information
- vapour pressure: The vapour pressure of the 2-Propanol, 1,1'-[[3-[(3-aminopropyl)amino]propyl]imino]bis-, N-tallow alkyl derivs. is =< 4.7 x 10^-5 Pa at 20°C, read across from study Akzo Nobel 2009/K1 KS/Vapour pressure, read across from n-alkyl triamines
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 20 °C
Additional information
The determination of the vapour pressure of 2-Propanol, 1,1'-[[3-[(3-aminopropyl)amino]propyl]imino]bis-, N-tallow alkyl derivs. is based on a read-across from the vapour pressure of coco dipropylene triamine (CAS no 91 771 -1 8-5) which has been analysed according to the OECD Guidelines for the Testing of Chemicals, No 104 "Vapour Pressure", by the gas saturation method. LCMS was used for the quantification. The vapour pressure of coco dipropylene triamine was determined to be 4.7 x 10^-5 Pa at 20°C.
Read across to 2-Propanol, 1,1'-[[3-[(3-aminopropyl)amino]propyl]imino]bis-, N-tallow alkyl derivs. As a worst case, the vapour pressure is read across from a substance with lower carbon chain distribution from the triamine category. In coco dipropylene triamine the n-alkyl part of the molecule has the length of 8 or 18 carbon atoms, but the amount of C18 chains is so low that it was not detectable in this study. So actually the vapour pressure of substances with n-alkyl lengths of 8 – 16 carbon atoms has been measured. In 2-Propanol, 1,1'-[[3-[(3-aminopropyl)amino]propyl]imino]bis-, N-tallow alkyl derivs. the chain lengths vary between 12 and 18 carbon atoms. Since the vapour pressure increases with decreasing hydrophobia in a specific homologue, it is considered as a worst case to read across from a substance with lower carbon chain distribution. Furthermore, in terms of hydrophilic groups, the vapour pressure is higher over the triamine than over 2-Propanol, 1,1'-[[3-[(3-aminopropyl)amino]propyl]imino]bis-, N-tallow alkyl derivs.
Therefore the vapour pressure of 2-Propanol, 1,1'-[[3-[(3-aminopropyl)amino]propyl]imino]bis-, N-tallow alkyl derivs. is deemed to be =< 4.7 x 10^-5 Pa at 20°C.
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