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Active substance factsheet - Last updated: 08/07/2020

Active substance

EC number:


CAS number:


IUPAC name:

2-Propenoic acid, 2-methyl-, butyl ester, polymer with butyl 2-propenoate and methyl 2-methyl-2-propenoate (CAS nr: 25322-99-0)/ Polymeric quaternary ammonium bromide (PQ Polymer)

BAS number:




Candidate for substitution:

Under assessment

Regulatory Process:

New active substance

Approval/Assessment status:

Cancelled application

Related authorised biocidal products

No related authorised products are available

Approval of active substance - Conclusion Date: 14/11/2018
Assessment information

Evaluating competent authority:


Assessment outcome:

Not successful

Conclusion date:


Validity of approval

Start date:

End date:

Legal act:

Assessment Reports
Study summaries (Document III-A)
Other documents