Registration Dossier
Registration Dossier
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EC number: 205-238-0 | CAS number: 136-30-1
Endpoint summary
Administrative data
Description of key information
Additional information
Isolated sodium dibuthyldithiocarbamate (SDBC) is a viscous yellow paste; however, the substance is solely manufactured and marketed by the registrant as a 47% (w/w) aqueous solution (Currenta GmbG & Co. OHG, 2010a). In this form, it is a light-yellow or straw-coloured liquid (Life Science Research Ltd., 1990). The melting point of the solid substance could not be determined due to endothermic effects beginning at -21°C, indicating a change of modification. This effect cannot be interpreted as melting point (Currenta GmbH & Co. OHG, 2010a). The boiling point of SDBC is 132 °C at 1013 hPa (Currenta GmbH & Co. OHG, 2010a). The relative density of a solid substance could not be determined due to the fact that the test item is homogeneous paste. Air pockets in the paste could not be removed with a centrifuge or ultrasonic (Currenta GmbG & Co. OHG, 2010a). The water solubility of SDBC corresponds to the maximal concentration of its manufactured solution (ca. 47% w/w); this is equal to 516000 mg/L. The partition coefficiënt log Kow of sodium dibuthyldithiocarbamate is <=1.5 at 20 °C and pH = 7-9 (Currenta GmbH & Co. OHG, 2010b). It has no explosive or oxidising properties and is not flammable.
The determination of particle size distribution, vapour pressure, auto ignition temperature, flash point and surface tension are not warranted in accordance with Column 2 of REACH Annex VII and/o 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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