Siyang Rodenticide Factory

23/04/2026

https://zzys.moa.gov.cn/gzdt/202604/t20260417_6483314.htm

22/04/2026

22/04/2026

“GB” = National Standards = China’s Mandatory Specifications
Technical Material (“GB 20690-2006″):
Active Ingredient/% ≥ 95.0, (factory’s MOA reg. 98%);
Cis-trans Isomers α(A/B): 1.0-4.0;
pH: 4.0-8.0;
Weight loss on heating/% ≤ 1.0;
Acetone insolubles/% ≤ 0.5.
Melting Range: 228-234 ℃ (factory reference)
(https://std.samr.gov.cn/gb/search/gbDetailed?id=71F772D78000D3A7E05397BE0A0AB82A)

22/04/2026

“GB” = National Standards = China’s Mandatory Specifications
Technical Material (“GB 20678-2006″):
Active Ingredient/% ≥ 97.0, (factory’s MOA reg. 98%);
Cis-trans Isomers α(A/B): ≤ 0.30;
Weight loss on heating/% ≤ 1.0,
pH: 5.0-9.0.
Melting Range: 200-210 ℃ (factory reference)
(https://std.samr.gov.cn/gb/search/gbDetailed?id=71F772D77E7AD3A7E05397BE0A0AB82A)

22/04/2026

With China’s industrial upgrading (2005 National Industrial Policy, the rodenticide project prohibited new land use in 2006, the formal implementation of the rodenticide national standard (GB) in 2007) and regulatory reforms (the establishment of the MIIT in 2008), only two rodenticide active ingredients ( and ) retained production permits, and only two companies retained production qualifications, namely “Siyang” and “Tianjin.”

22/04/2026

it is important to note that violations related to hazardous chemicals (hypertoxic , ) have been incorporated into the “Criminal Law of the People’s Republic of China.” Under Article 125,”: Illegal Manufacturing, Trading, Transporting, or Storing Hazardous Substances,” offenders face imprisonment of not less than three years but not more than ten years. For serious offenses, the punishment may be imprisonment of not less than ten years, life imprisonment, or death.

22/04/2026

Rodenticide ( intermediates) registered under China REACH
( , the last intermediate before 4-hydroxycoumarin synthesis).

22/04/2026

Siyang Rodenticide Factory is China’s first manufacturer of active ingredient registered with the Ministry of Agriculture. It obtained registration certification from the Ministry of Agriculture in 1998, with a registered purity of 95% at that time. After the implementation of national standards in 2007, our registered purity has been increased to 98%, which is unique in China.

22/04/2026

Siyang Rodenticide Factory is the original developer of in China:
– “Effect of Brodifacoum against Rodents in the Field” in the 6th issue of Volume 9, 1998, of the “Chinese Journal Of Vector Biology And Control,” Section 3.3.
(http://www.bmsw.net.cn/CN/Y1998/V9/I6/413)

22/04/2026

STAGE 6
, CAS #56181-66-9, Registration (✔)
Since the 2005 Industrial Policy Directory (now the 2024 edition), China has banned the production of new rodenticide active ingredients, including . We used to have an approved production line for producing some intermediates for export. ( Synthesized in the same manner as without the Bromine in initiation, ecologically safer for birds.)

22/04/2026

New construction facilities of TC, TC, methidathion TC, and isocarbophos TC should be restricted from 2 Dec 2005; ... (https://en.reach24h.com/news/industry-news/chemical/aqsiq-revised-licensing-rules-for-pesticide-manufacturers-2)