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Brazil’s diquat imports in early 2022 hit historical high, market price remains highqrcode

Jun. 2, 2022

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Jun. 2, 2022


Wu Zhonglu, Dep. General Manager of Operation Management Center, Nanjing Red Sun

Erwin Xue, AgroPages 

Following the previous article, titled, “An analysis of sales and price changes of Brazil’s imported glufosinate and the price trends of mainstream formulations,” readers again suggested that AgroPages should analyze the diquat market situation of Brazil. To this end, this article focuses on the sales and price changes of Brazil’s imported diquat, as well as the sales and price trends of prime supplier Syngenta and mainstream formulations. 


Brazil’s demand for diquat has been relatively stable over recent years, achieving a yearly market volume of over 1,000 tons of diquat ion, which is largely dominated by Syngenta. With the prohibition of paraquat in Brazil from 22nd September, 2020, diquat has become a major alternative for dehydration and is rapidly. It is also being increasingly being imported by Brazil, from 3,475 tons of diquat ion in 2019 to 4,940 tons in 2020, up 42% year-on-year. In addition, Brazil’s importation of diquat ion in 2021 further increased to 9,843 tons, up 550% over market demand during the past decade.

Looking at the first two months of 2022, Brazil’s importation of diquat ion (converted) reached a value of 2,705 tons, the highest level ever in history and up 28% over 2021. The demand for paraquat in the Brazilian market in previous years was between 8,500 and 10,000 tons of diquat ion as converted. Brazil’s import of paraquat reached 13,000 tons of diquat ion as converted. From an import volume perspective only, the import volume of diquat in 2021 was very close to the import volume of paraquat in previous years. Considering Brazil’s importation of 10,800 tons of glufosinate in 2021, a 200% growth, data show that the gaps of paraquat for dehydration and weed control are partially filled up.

Brazilian farmers suffering from diquat scarcity 

The real situation in the Brazilian market is similar to glufosinate, with Brazilian farmers in general complaining about a short supply of diquat in 2021, especially inadequate supplies from Syngenta. Using the mainstream product, REGALONE (Syngenta Diquat 200 SL), as an example, just like glufosinate, let us analyze the data of Mato Grosso, the main soybean producing state, to study the price trends of diquat formulations, which are shown below:


Source: Hills Consulting

Calculated at BRL 1 = Yuan1.39, the price chart reveals a price rise from Yuan40.1/L to Yuan77.8/L in the distribution market within a period of one year, which is almost a doubled price increase, not to speak that this price is at a low level in Brazil. In some Brazilian states, such as Minas Gerais, which has the second largest population, the selling price of diquat AS reached Yuan159 per liter. The tight market is attributable in part to the change in the soybean acreage. 

Brazilian government data revealed that the soybean planting area reached 40.80 million hectares in 2021/2022, up 4.1% year-on-year. Soybean harvesting in Brazil is primarily done through mechanized harvesting, assuming the amount of use of agents for dehydration  will be 150 g/mu (1 mu = 667m2), the total amount require of diquat ion could be18,000 tons. Then according to the latest estimation by Brazilian consultants, 80% of the country’s soybean requires dehydration, which theoretically suggests the existence of a gap in the supply of diquat. 

China’s market share of diquat exceeding Syngenta

The leading Chinese diquat suppliers are Red Sun, Yonon and Shandong Luba, with a total production capacity of some 50,000 tons, and exports being mostly diquat dibromide, ad only Red Sun is producing diquat dichloride mainly for Chinese market). The Chinese market price of diquat dibromide 40% TK is currently Yuan58,000-59,000 per ton, down from the highest level of last year but up 70% over the beginning of last year. 


Before 2017, Chinese companies did not have any registrations in Brazil, where the diquat market used to be dominated by Syngenta. Since mid-2018, supplies of Chinese products to Brazil gradually increased. By 2021, total annual supply from China surged to 5,800 tons of diquat ion, exceeding the 3,140 ton value for Syngenta, whose supply was 4,050 tons in 2020, down 22% for a time.



Currently, the diquat production capacity in China is still increasing rapidly. According to data, in 2022, Red Sun is building a facility with an annual 15,000-ton converted diquat dichloride capacity, while planning further extension to its existing diquat capacity, inclusive of diquat dichloride at up to 60,000 tons. Yonon is building an annual 16,000-ton diquat dibromide facility in Ningxia, while Luba plans a newbuild annual 10,000-ton diquat dibromide facility in Dezhou, Shandong. Upon the completion of these projects, the production capacity of diquat may become much higher than market demand. Newcomers must fully evaluate the industrial chain and be cautious about making investments. 


In view of the current peak season for the delivery of diquat and the higher price levels of the intermediates at this current time, with 2,2-Dipyridyl at Yuan90,000 per ton and bromine at Yuan67,000 per ton, the price of diquat is expected to remain relatively stable in the short-term. Brazil’s imports have increased significantly in the past two years, but the country is still predicted to have a shortage of thousands of tons, theoretically calculated according to the soybean planting area. If the new production capacity in China is gradually brought on stream, and combined with Syngenta’s inability to fully control the Brazilian diquat market, further price increase in the Brazilian market in the second half of the year may be small.

Currently, the mainstream export product is diquat dibromide, while the Chinese market is dominated by Red Sun’s diquat dichloride. According to Red Sun, the production cost of diquat dichloride is lower than that of diquat dibromide, while the effect of diquat dichloride is 1.4 times higher than diquat dibromide. 

So far, Red Sun has been active in overseas registrations, and a field trial will soon be conducted in Vietnam. In Brazil, Australia, Russia, Paraguay and Uruguay, registration data are being submitted. Going forward, Red Sun will be in a position to deliver more cost-effective dehydrating and weeding solution products to the international market. 

Dehydration effect of diquat dichloride on the seventh day (70g/mu)


Inquiry contact: 

Erwin Xue


Linkedin: linkedin.com/in/erwin-xue-7a5b8580 

Source: AgroNews


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