Actives IndexAustralia

Thidiazuron

Urea DerivativesAgricultural active constituent

15 approved sources, 2 of them since 2024. 29 registered products from 22 registrants; the top 3 hold 21%. 17 registrants sell it without holding an approval.

C9H8N4OSStructure from PubChem CID 40087

Many approved sources

Approved sources
15
Registered products
29
Registrants
22
Data protection ends
2030-10-21

Market structure

Who registers it

Also holds a source approvalRegisters only

  1. Bayer Crop Science Pty Ltd2
  2. Adama Australia Pty Limited2
  3. Echem (Aust) Pty Limited2
  4. Kenso Corporation (M) Sdn. Bhd.2
  5. Nutrien Ag Solutions Limited2
  6. Titan Ag Pty Ltd2
  7. Shandong Rainbow International Co Ltd2
  8. Conquest Crop Protection Pty Ltd1
  9. 14 others14

Market timeline

Registered products, cumulativeSources approved each year

2002: 3 sources approved20022003: 1 source approved200520102012: 1 source approved20152016: 1 source approved2020: 2 sources approved20202024: 2 sources approved202529

Only records current in the export are counted, so earlier years are understated. 1 products first registered before 2002 are in the starting total.

Who to talk to

Register products, hold no approval17

Their products rely on a source approved for another company.

  1. Kenso Corporation (M) Sdn. Bhd.2 products
  2. Nutrien Ag Solutions Limited2 products
  3. Titan Ag Pty Ltd2 products
  4. Conquest Crop Protection Pty Ltd1 product
  5. Australian Agribusiness (Holdings) Pty Ltd1 product
  6. Farmalinx Pty Ltd1 product
  7. Stravia Pty Ltd1 product
  8. Australis Crop Protection Pty Ltd1 product

9 more in the tables below.

Hold an approval and register products5

Approval holders that also sell products under their own name.

  1. Bayer Crop Science Pty Ltd2 products
  2. Adama Australia Pty Limited2 products
  3. Echem (Aust) Pty Limited2 products
  4. Shandong Rainbow International Co Ltd2 products
  5. Max(Rudong) Chemicals Co., Ltd.1 product

Hold an approval, no products6

Holders with no registered product of their own containing it.

  1. Jiangsu Agrochem Laboratory Co LtdApproval only
  2. Jiangsu Institute Ecomones Co., LtdApproval only
  3. Jiangsu Repont Agrochemical Co., Ltd.Approval only
  4. Miller Chemical & Fertilizer (Australia) Pty LtdApproval only
  5. Nufarm Australia LimitedApproval only
  6. Profeng Australia Pty LtdApproval only

15 approved sources

Approval holderIts products with this activeApproval no.Approved
Bayer Crop Science Pty Ltd2441291995-12-11
Bayer Crop Science Pty Ltd2542512001-11-21
Adama Australia Pty Limited2539482001-12-20
Adama Australia Pty Limited2546312002-04-24
Echem (Aust) Pty Limited2559652003-02-25
Shandong Rainbow International Co Ltd2944342024-07-26
Max(Rudong) Chemicals Co., Ltd.1677232012-08-02
Nufarm Australia Limited—530112000-10-27
Miller Chemical & Fertilizer (Australia) Pty Ltd—532512001-08-02
Miller Chemical & Fertilizer (Australia) Pty Ltd—545862002-04-19
Nufarm Australia Limited—555012002-09-04
Profeng Australia Pty Ltd—819512016-10-10
Jiangsu Institute Ecomones Co., Ltd—878812020-03-09
Jiangsu Agrochem Laboratory Co Ltd—888192020-06-04
Jiangsu Repont Agrochemical Co., Ltd.—943232024-10-24

Sorted by how many products the holder registers with this active. A holder can be the manufacturer or a company holding the approval for a source.

22 registrants

RegistrantProductsHolds an approval
Bayer Crop Science Pty Ltd2Yes
Adama Australia Pty Limited2Yes
Echem (Aust) Pty Limited2Yes
Kenso Corporation (M) Sdn. Bhd.2No
Nutrien Ag Solutions Limited2No
Titan Ag Pty Ltd2No
Shandong Rainbow International Co Ltd2Yes
Conquest Crop Protection Pty Ltd1No
Australian Agribusiness (Holdings) Pty Ltd1No
Farmalinx Pty Ltd1No
Stravia Pty Ltd1No
Australis Crop Protection Pty Ltd1No
Proterra Pty Ltd1No
Sabakem Pty Ltd1No
Cotton Growers Services Pty Ltd1No
Sipcam Pacific Australia Pty. Limited1No
Raystar Cropprotection Pty Ltd1No
Max(Rudong) Chemicals Co., Ltd.1Yes
Axichem Pty Ltd1No
Ezycrop Pty Ltd1No
Imtrade Australia Pty Ltd1No
Quantum Agrosciences Holdings Pty Ltd1No

29 registered products

No.ProductRegistrantFormulationContentFirst registeredLabel
87305AC Tremble 500 SC Cotton DefoliantAxichem Pty LtdSuspension Concentrate500 g/L2019-01-16PDF
63493Accensi Thidiazuron 500 Cotton DefoliantAustralian Agribusiness (Holdings) Pty LtdSuspension Concentrate500 g/L2008-10-29PDF
66534Acp Timezone 500 Cotton DefoliantAustralis Crop Protection Pty LtdSuspension Concentrate500 g/L2011-09-26PDF
81998CGS Dropp Liquid Cotton DefoliantCotton Growers Services Pty LtdSuspension Concentrate500 g/L2016-05-16PDF
61352Conquest Mace 500 SC Cotton DefoliantConquest Crop Protection Pty LtdSuspension Concentrate500 g/L2007-03-26PDF
53462Dropp Liquid Cotton DefoliantBayer Crop Science Pty LtdSuspension Concentrate500 g/L2001-01-10PDF
59777Dropp Ultramax Cotton Defoliant MixBayer Crop Science Pty LtdSuspension Concentrate240 g/L2006-01-18PDF
59134Echem Thi-Ultra Cotton Defoliant MixEchem (Aust) Pty LimitedEmulsifiable Concentrate120 g/L2004-10-26PDF
55963Echem Thidiazuron 500 SC Liquid Cotton DefoliantEchem (Aust) Pty LimitedSuspension Concentrate500 g/L2003-05-20PDF
55126Escalate 500 SC Cotton DefoliantAdama Australia Pty LimitedSuspension Concentrate500 g/L2002-01-09PDF
69402Escalate Ultramax Cotton Defoliant MixAdama Australia Pty LimitedSuspension Concentrate240 g/L2014-01-20PDF
82985Eject Defoliant MixSipcam Pacific Australia Pty. LimitedSuspension Concentrate500 g/L2018-02-06PDF
92920Ezycrop Thidiazuron-Diuron Cotton Defoliant MixEzycrop Pty LtdEmulsifiable Concentrate120 g/L2022-12-12PDF
64317Farmalinx Thiron Cotton DefoliantFarmalinx Pty LtdSuspension Concentrate500 g/L2009-09-24PDF
92850Genfarm Tdz-D Cotton Defoliant MixNutrien Ag Solutions LimitedSuspension Concentrate240 g/L2023-10-06PDF
59236Genfarm Thidiazuron 500 Cotton DefoliantNutrien Ag Solutions LimitedSuspension Concentrate500 g/L2004-12-09PDF
94141Imtrade Thidiazuron 500 SC Flowable Cotton DefoliantImtrade Australia Pty LtdSuspension Concentrate500 g/L2023-12-22PDF
56469Kenso Agcare Thidiazuron 500SC Cotton DefoliantKenso Corporation (M) Sdn. Bhd.Suspension Concentrate500 g/L2003-11-05PDF
97772Kenso Agcare Thidiazuron 500SC Cotton DefoliantKenso Corporation (M) Sdn. Bhd.Suspension Concentrate500 g/L2026-09-24PDF
86682Maxunitech THIDIAZURON 500SC COTTON DEFOLIANTMax(Rudong) Chemicals Co., Ltd.Suspension Concentrate500 g/L2018-09-05PDF
67865Proterra Thidiazuron 500 Cotton DefoliantProterra Pty LtdSuspension Concentrate500 g/L2012-08-13PDF
96521QA Thidiazuron 500 SC Cotton DefoliantQuantum Agrosciences Holdings Pty LtdSuspension Concentrate500 g/L2026-01-15PDF
85463Raystar TDZ Diuron Cotton Defoliant MixRaystar Cropprotection Pty LtdEmulsifiable Suspension120 g/L2018-01-19PDF
95251Redfire Plus Cotton Defoliant MixShandong Rainbow International Co LtdSuspension Concentrate360 g/L2025-10-21PDF
69162Sabakem Thidiazuron 500SC Flowable Cotton DefoliantSabakem Pty LtdSuspension Concentrate500 g/L2013-08-19PDF
65731Stravia Thidiazuron 500 SC Cotton DefoliantStravia Pty LtdSuspension Concentrate500 g/L2011-02-01PDF
65161Titan Thidiazuron + Diuron Cotton Defoliant MixTitan Ag Pty LtdEmulsifiable Suspension120 g/L2011-03-15PDF
60882Titan Thidiazuron 500 Cotton DefoliantTitan Ag Pty LtdSuspension Concentrate500 g/L2010-09-16PDF
95425Tredma Cotton DefoliantShandong Rainbow International Co LtdSuspension Concentrate500 g/L2025-01-06PDF

Crops and targets

Crops and situations

  1. Cotton20
  2. Cotton - pre harvest5
  3. Cotton - pre-harvest2
  4. Cotton defoliation2

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

Changes in the last six months

  1. New product

    Kenso Corporation (M) Sdn. Bhd. registered Kenso Agcare Thidiazuron 500SC Cotton Defoliant with Thidiazuron

Quick answers

How many approved sources does Thidiazuron have in Australia?
As of the APVMA export downloaded 2026-10-23, 15 current active constituent approvals cover Thidiazuron. Holders include Bayer Crop Science Pty Ltd, Adama Australia Pty Limited, Echem (Aust) Pty Limited, Shandong Rainbow International Co Ltd and Max(Rudong) Chemicals Co., Ltd., plus 6 more. A holder is not necessarily the manufacturer.
Who registers Thidiazuron products in Australia?
As of the APVMA export downloaded 2026-10-23, 22 companies register 29 agricultural products containing Thidiazuron. The most products are registered by Bayer Crop Science Pty Ltd, Adama Australia Pty Limited and Echem (Aust) Pty Limited.
When does data protection end for Thidiazuron?
As of the APVMA export downloaded 2026-10-23, the latest protected data for a product containing Thidiazuron ends on 2030-10-21. Protection covers specific data, not the active itself.
Which crops is Thidiazuron registered for in Australia?
Registered labels containing Thidiazuron most often cover Cotton, Cotton - pre harvest, Cotton - pre-harvest and Cotton defoliation. The label is what applies.