HOPA REACH Consortium

HOPA (Higher Olefins and Poly-Alpha Olefins) Consortium

Collaborative dossier management and regulatory expertise for safe, efficient REACH registration.

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About HOPA REACH Consortium

Advancing safe, compliant and efficient REACH registration.

The HOPA REACH Consortium was established in January 2009 to support manufacturers and importers of Higher Olefins and Poly-Alpha Olefins in meeting the EU REACH Regulation. Registration is required for companies producing or importing one tonne or more per year within the EEA, helping ensure safe use and continued market access.

The consortium is open-ended, welcoming applications from EU and non-EU manufacturers and importers. Non-EU companies must be represented by an EU-based Only Representative.

Consortia Members 

As of February 2024, the HOPA REACH Consortium includes six active members. 

For a full list of members please visit our HOPA Reach Consortium Website.

Participation in the consortium helps companies maintain compliance efficiently, ensuring that dossiers remain up-to-date and aligned with regulatory expectations.

Objectives & Scope 

Shared resources, expertise and structured substance management.

The consortium’s mission is to support cost-efficient REACH registration by pooling financial and human resources, while ensuring that all dossiers remain fit for purpose to support member compliance.

Scope at a glance:

  • 6 Members 

  • 66 Substances - see full listing here 

  • 2 Substance Categories: Higher Olefins and Poly-Alpha Olefins

  • >145 Joint Submission Group (JSG) Registrants

Being part of the consortium allows members to collaborate effectively, share expertise, and maintain compliance efficiently, while keeping their dossiers up-to-date with evolving regulatory expectations.

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Major Activities

Providing comprehensive technical, regulatory, and scientific support for seamless compliance.

The HOPA REACH Consortium supports members by combining technical expertise and regulatory knowledge to streamline compliance. Key activities include:


Joint Technical Dossiers

Joint Technical Dossiers

Developing and maintaining complete, accurate, regulator-ready submissions.
Data Review & Evaluation

Data Review & Evaluation

Gathering and evaluating existing studies to optimise resources and reduce duplication.
Data Gap Strategy

Data Gap Strategy

Addressing missing data using read-across and alternative approaches.
Read-across & Alternative Approaches

Read-across & Alternative Approaches

Applying scientifically robust methods where testing can be avoided or reduced.
Testing & Study Preparation

Testing & Study Preparation

Designing testing proposals, preparing study summaries, and producing robust study summaries for regulatory submission.
Harmonised Classification & Labelling

Harmonised Classification & Labelling

Ensuring consistent and compliant CLP proposals.
Chemical Safety & Guidance

Chemical Safety & Guidance

Producing Chemical Safety Reports and guidance on safe use for common member applications.
Risk Assessment Leadership

Risk Assessment Leadership

Identifying and evaluating risks to support safe industry use.
Letters of Access Management

Letters of Access Management

Providing regulated access to consortium data for potential registrants.

Participation in the consortium ensures that members maintain compliance efficiently, reduce duplication, and have confidence that their dossiers remain aligned with regulatory expectations and legal obligations.

On-Going Registration

The HOPA Consortium continues to update dossiers to reflect:

  • Changes in ECHA guidance and interpretation

  • Updates to IT tools such as IUCLID and Chesar

  • Data from surveys reviewing use patterns and analytical data on UVCB streams

These updates ensure that consortium data remains accurate, actionable, and compliant, supporting safe and consistent operations for all members.

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Letter of Access (LoA)

Structured, reliable access to critical consortium data for streamlined data.

Companies interested in accessing HOPA REACH Consortium data can purchase a Letter of Access via the HOPA Letter of Access Webshop (see pricing, T&Cs, SIPs, and the online purchase form)

For questions, contact the JSG Management Team: jsg.manager@hopa-reach.com

Letters of Access provide regulated access to consortium data, helping potential registrants streamline REACH registration while ensuring alignment with current regulatory standards.

Why Choose Us

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Budget management

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Dossiers managed and submitted 

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LoA registrations under management

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Consortium Members supported

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