How many approved sources does Chlorine Dioxide have in Australia?

As of the APVMA export downloaded 2026-10-23, no current active constituent approval was found under this name.

Who registers Chlorine Dioxide products in Australia?

As of the APVMA export downloaded 2026-10-23, 1 company registers 1 agricultural product containing Chlorine Dioxide. The most products are registered by International Quadratics Pty Ltd.

When does data protection end for Chlorine Dioxide?

As of the APVMA export downloaded 2026-10-23, no product containing Chlorine Dioxide has data protection running past 2026-10-23.

Which crops is Chlorine Dioxide registered for in Australia?

Registered labels containing Chlorine Dioxide most often cover Swimming pool. The label is what applies.

Chlorine Dioxide

Mineral-ChlorineAgricultural active constituent

1 registered product from 1 registrant.

No source approval under this name

Approved sources: 0
Registered products: 1
Registrants: 1
Data protection ends: None current

Market structure

Who registers it

Also holds a source approvalRegisters only

International Quadratics Pty Ltd1

Market timeline

Registered products, cumulative

Year	Sources approved	Products first registered	Products, cumulative
2018	0	1	1

Only records current in the export are counted, so earlier years are understated.

Who to talk to

Register products, hold no approval1

Their products rely on a source approved for another company.

International Quadratics Pty Ltd1 product

Hold an approval and register products

Approval holders that also sell products under their own name.

None in the export.

Hold an approval, no products

Holders with no registered product of their own containing it.

None in the export.

0 approved sources

No current active constituent approval found in the export. It may sit under another name; search PubCRIS before concluding there is none.

1 registrant

Registrant	Products	Holds an approval
International Quadratics Pty Ltd	1	No

1 registered product

No.	Product	Registrant	Formulation	Content	First registered	Label
84615	Pool Solutions C-5 Tablets Chlorine Dioxide Precursor	International Quadratics Pty Ltd	Tablet (Inc. Pellet, Bolus, Suppository, Capsule)	100 g/kg	2018-06-05	PDF

Crops and targets

Crops and situations

Swimming pool1

Targets

Bacteria1
Protozoa1

Number of registered products whose label covers each crop or target, not volumes. The label is what applies.

Changes in the last six months

Nothing new in the last six months.

Quick answers

How many approved sources does Chlorine Dioxide have in Australia?: As of the APVMA export downloaded 2026-10-23, no current active constituent approval was found under this name.
Who registers Chlorine Dioxide products in Australia?: As of the APVMA export downloaded 2026-10-23, 1 company registers 1 agricultural product containing Chlorine Dioxide. The most products are registered by International Quadratics Pty Ltd.
When does data protection end for Chlorine Dioxide?: As of the APVMA export downloaded 2026-10-23, no product containing Chlorine Dioxide has data protection running past 2026-10-23.
Which crops is Chlorine Dioxide registered for in Australia?: Registered labels containing Chlorine Dioxide most often cover Swimming pool. The label is what applies.