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EC number: 238-883-1 | CAS number: 14814-09-6
Melting point [3-(triethoxysilyl)propanethiol]: expected to be <-20°C (Predicted).
The melting point of the substance is predicted to be well below -20°C on the basis that it has a predicted boiling point of ca.240°C (516K) and the number of atoms in the side-chain (discounting hydrogen atoms) is≤10.
A review of data for organosilicon compounds has indicated that alkoxysilane substances that met these two conditions: boiling point is <600K (ca. 330°C) and the number of atoms in the side-chain (discounting hydrogen atoms) ≤10 are expected to have a melting point <-20°C (PFA 2013ag). Therefore, in accordance with Column 2 of REACH Annex VII, the melting point study does not need to be conducted as the melting point of the substance is below -20°C.
However, in a secondary source, no melting temperature was observed for the substance but a glass transition temperature of -141°C was reported using a method conducted according to DIN 51007, no further details are available but the result is considered reliable.
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