Registration Dossier
Registration Dossier
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EC number: 259-587-9 | CAS number: 55310-46-8
Endpoint summary
Administrative data
Description of key information
Additional information
Sodium dibenzyldithiocarbamate (SBEC) is manufactured and marketed as a 17% w/w aqueous solution (Currenta GmbH & Co. OHG, 2010a). In its marketed form, it is a pale yellow to green liquid (Notox B. V., 2001). The melting and boiling points of the solid substance could not be determined, as the substance undergoes multiple phase changes above 40 ˚C, associated with structural rearrangements (Currenta GmbH & Co. OHG, 2010a). These effects can be attributed to rearrangements in the structure and evaporation of gaseous water. Decomposition occurs at 153 ˚C. The solid substance has a bulk density of 674 g/L at 23°C; the relative density could not be determined due to the fact that the substance is an inhomogeneous solid, from which air bubbles could not be removed. The surface tension of a 0.1 vol% solution of SBEC in water is 67.02 mN/m at 20°C (Currenta GmbH & Co. OHG, 2010a), indicating that the substance is not surface-active. The maximal water solubility of the substance corresponds to its concentration in marketed form (17% w/w), which is equal to 178500 mg/L. The partition coefficient was determined to be ≤ -0.3 (Currenta GmbH & Co. OHG, 2009). The solid substance did not undergo auto-ignition up to 400 ˚C (Currenta GmbH & Co. OHG, 2010a). It has no explosive or oxidising properties and is non-flammable. The determination of vapour pressure, flash point and particle size distribution are not warranted in accordance with Column 2 of REACH Annex VII and/or with Section 1 of REACH Annex XI and/or the REACH guidance on information requirements and chemical safety assessment (chapter R7. A).
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