Dipotassium disulfite

Welcome to the SIEF webpage for dipotassium disulfite (EINECS No. 240-795-3)

Synonyms: Potassium metabisulfite; Potassium pyrosulfite; Pyrosulfurous acid, dipotassium salt; Disulfurous acid, dipotassium salt

• Lead Registrant:   ESSECO s.r.I.
• SIEF Facilitator:   SDIOC on behalf of the Lead Registrant.
• Pre-registrants can participate in the SIEF at different activity levels: very active, involved, passive, and dormant.
• The SDIOC is preparing the registration dossier, i.e. the IUCLID file, in cooperation with the SIEF. The Lead Registrant will submit the REACh Registration Dossier. All other co-registrants will refer to it when submitting their registration.

SIEF Time table:

• January – February 2010: 
  • All pre-registrants for potassium metabisulfite were invited to participate in the Substance Sameness Survey.
• March 2010:
  • The SIEF was formed.
  • Respondents that participated in the Sameness Survey are considered to be Active Members of the SIEF. The Secretariat of the SDIOC will work with Active Members within each SIEF.
  • The Lead Registrant was elected within the survey campaign
    • Registered LR for potassium metabisulfite is ESSECO s.r.I..

• April 2010
  • SIEF members that offer data for sharing were contacted
• July 2010:
  • The results of the substance sameness survey were sent to all pre-registrants.
  • A SIEF member letter was sent to all participants of the Substance Sameness Survey.

• April 2011:
  • View the REACH-Registered Identified Uses for this substance (published April 2011)
  • The SDIOC questionnaire campaign identified the downstream uses for SO2 based substances covered by SDIOC. View the table of identified uses here (published May 2010, updated August 2010)
• Further activities:
  
  • Data gathering for dossier updates:   Ongoing

• Be part of the project:

The Secretariat of the SDIOC will work with Active Members within each SIEF. If you would like to become an Active Member, please E-mail the SIEF Facilitator. Pre-registrants that have not yet participated in the Sameness Survey for potassium metabisulfite, can access the survey here.