Welcome to the SIEF webpage for Potassium vanadium trioxide

(Potassium vanadium trioxide, EINECS No. 237-388-8)

Please proceed to:

SIEF – Who is who?

  • Lead Registrant: GfE Metalle und Materialien GmbH
  • SIEF Facilitator: Vanadium Consortium on behalf of the Lead Registrant.
  • Pre-registrants can participate in the SIEF at different activity levels: very active, involved, passive, and dormant.

Potassium vanadium trioxide was successfully REACH registered as "substance > 1000 tpy" by the Lead Registrant in May 2013.

The dossier disseminated by ECHA can be accessed here


If you are a SIEF-member that is not a member of the Vanadium Consortium, you will need to:
  • Purchase a Letter of Access (LoA) to the technical dossier from the Vanadium Consortium. For further details, please visit the LOA website.
  • Join the Joint Submission for this substance in REACH-IT. You will receive the needed details after you have purchased your Letter of Access.
  • Prepare and submit you joint-submission REACH-registration dossier to ECHA. After an LoA purchase, the Vanadium Consortium will provide Joint-Submission Guidance and a template IUCLID file.

Technical Dossier compilation:

  • The Vanadium Consortium has been actively working for several years to collect, generate and compile the data required for REACH registration of this substance.
  • Collect and generate data required as per REACH Annex VII - X completed
  • Data entry into IUCLID                              completed
  • Identification of Uses                                 completed
  • Chemical Safety Assessment                     completed
  • Chemical Safety Report                             completed
  • Exposure Scenarios                                   completed
  • Develop classification & labeling proposal  completed
  • Submission of Registration Dossier            completed

Options to fulfil your REACH Registration obligations:
  1. Join the registration by means of a Letter of Access to the Registration Dossier on fair, reasonable and non-discriminatory terms.
  2. Join the registration by means of membership to the Vanadium Consortium

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Useful links

ECHA Fact sheets & Guidance:

The Vanadium Consortium is acting as SIEF facilitator for Vanadium Consortium member registrants who indicated their willingness at Pre-Registration to conduct this activity for the substances listed on this page.