Market evolution: Chlorates and perchlorates (CN 2829) — 2015–2025

Introduction

This report examines the evolution of EU external trade in chlorates and perchlorates (customs code 2829) over the 2015–2025 period. The product group encompasses sodium chlorate (282911), other chlorates (282919), and the broader category of perchlorates, bromates, perbromates, iodates, and periodates (282990). These inorganic chemicals are used in diverse industrial applications — from pulp bleaching and water treatment to pyrotechnics and agriculture.

The data reveals a decade of profound transformation: the EU's trade deficit in this product group widened dramatically from €6.8 million in 2015 to €39.5 million in 2025, driven by a surge in import values that outpaced both volume growth and the expansion of domestic production. Understanding these dynamics requires examining three interconnected dimensions: the structural shift toward higher-cost, higher-volume imports; the geographic reorientation of trade partnerships; and the evolving competitive position of EU member states.

The general trade overview provides additional context for the figures discussed below.

A Widening Deficit: Import Growth Outpaces Export Recovery

The value gap expanded nearly fivefold over the decade

The most striking feature of EU trade in CN 2829 is the dramatic widening of the trade deficit. In 2015, the EU imported €24.1 million worth of chlorates and perchlorates while exporting €17.3 million, resulting in a modest deficit of €6.8 million. By 2025, imports had ballooned to €79.5 million (+230.0%) while exports reached €40.1 million (+131.9%), yielding a deficit of €39.5 million. The deficit thus widened by nearly fivefold.

The data on general trade dynamics confirms that both flows grew substantially, but the asymmetry in their growth trajectories is the defining story of this period.

Price increases, not volume alone, drove the import surge

A closer look at the decomposition of import growth reveals a crucial nuance: prices rose much faster than volumes. Import quantities grew from 9,554 tonnes to 13,288 tonnes (+39.1%), while average import prices climbed from €2,522 per tonne to €5,985 per tonne (+137.3%). In other words, price effects accounted for roughly three-quarters of the total increase in import value.

This pattern reflects several possible forces — rising global energy and raw material costs, shifts in product mix toward higher-value segments (especially in 282990), and potentially tighter supply conditions from key exporting countries.

On the export side, a similar but less extreme price dynamic is visible: export prices rose 82.4% while volumes increased only 27.2%. This suggests the EU was able to partially pass through cost increases, but not to the same degree as its import suppliers.

Domestic production grew but did not close the gap

The production volumes data shows that EU domestic production expanded from 450,400 tonnes to 630,030 tonnes (+39.9%) in quantity and from €270.2 million to €400.0 million (+48.1%) in value over the period. Despite this healthy growth, the trade deficit widened — indicating that domestic demand for these chemicals grew faster than the EU's ability to produce them, or that certain sub-products remained heavily import-dependent.

Geographic Reorientation: Emerging Suppliers Reshape the Import Map

India, Brazil, and Vietnam became dominant import sources

The composition of the EU's top import partners underwent a dramatic shift between 2015 and 2025. While traditional partners such as Canada, China, and the United Kingdom maintained or modestly grew their positions, the most explosive growth came from India, Brazil, Vietnam, and the United States.

The most striking case is Vietnam, which grew from a negligible €353,572 in 2015 to nearly €9.8 million in 2025 — an increase of over 2,660%. This suggests Vietnam emerged as a significant producer and exporter of chlorates or perchlorates during this period, potentially capitalising on lower production costs or new industrial capacity. The top import partners data provides further detail.

India's transformation is equally notable: from €4.6 million to €20.4 million (+345.9%), it became the single largest source of EU imports in value terms by 2025. This growth aligns with India's broader expansion in chemical manufacturing capacity during this decade.

Export destinations showed more mixed patterns

The EU's export geography presents a more fragmented picture. The United Kingdom remained the largest single destination, growing from €3.2 million to €5.9 million (+82.1%). Turkey emerged as a major growth market, rising from €1.3 million to €3.2 million (+147.5%). Meanwhile, several traditional markets contracted sharply:

The collapse of exports to Indonesia (−76.8%) and Brazil (−52.1%) is noteworthy. These countries likely developed domestic production capacity or shifted sourcing to alternative suppliers — possibly the same Asian producers now competing with the EU in its own import market.

The top export partners dashboard provides a complete time series.

Import concentration moderated slightly, while export concentration rose

The Herfindahl-Hirschman Index (HHI) for imports declined from 1,909 to 1,777 (−6.9%), indicating a modest diversification of import sources. This is consistent with the entry of new suppliers like Vietnam into the top ranks.

Conversely, the export HHI rose from 685 to 1,124 (+64.0%), suggesting that EU exports became more concentrated on fewer destination markets. The growing importance of the United Kingdom and Turkey as export destinations, combined with the loss of markets like Indonesia and Brazil, contributed to this increased concentration.

The full concentration analysis is available on the dashboard.

A Two-Speed Market: High-Value Segments and Member State Divergence

Sodium chlorate dominates volumes; high-value perchlorates drive value growth

The product breakdown reveals a clear two-tier market structure. Sodium chlorate (282911) accounts for the vast majority of import and export volumes, while the broader perchlorates/bromates category (282990) commands much higher unit prices and has been the primary driver of value growth.

Imports by product segment (2015 vs. 2025):

The 282990 segment saw its import value surge from €20.6 million to €73.6 million (+258%), driven by both a near-doubling of volumes and a 92% increase in average prices (from €8,753/t to €16,820/t). This segment now accounts for over 92% of total import value despite representing only 33% of import volume — a testament to its much higher per-unit value.

Exports by product segment (2015 vs. 2025):

On the export side, the 282990 segment tripled in value (from €10.5 million to €33.2 million), again driven by both volume growth and sharp price increases. The EU appears to retain a competitive edge in these higher-value specialty chemicals, even as it faces growing import competition in commodity sodium chlorate.

The full product segment breakdown provides year-by-year detail.

France and Belgium emerged as the EU's trade powerhouses

Among EU member states, the concentration of trade activity in a handful of countries is striking.

Top EU importers (2015 vs. 2025):

Belgium's import growth (+382%) and France's (+508%) are the most dramatic. France's case is particularly interesting given that it is simultaneously one of the EU's most specialised exporters in this product group.

Top EU exporters (2015 vs. 2025):

The top EU importers and exporters dashboards provide the full ranking.

Specialisation data confirms a French-led EU export structure

The specialisation analysis for 2025 shows that France holds the highest Revealed Symmetric Comparative Advantage (RSCA) at 0.75, with an RCA of 7.02 — meaning France exports chlorates and perchlorates at a rate seven times higher than its share of world exports in all products would predict. France accounts for 54.9% of total EU production value in this segment but only 7.8% of total EU exports, indicating a large domestic consumption base.

Belgium ranks second (RSCA 0.56, RCA 3.54), with 29.9% of production value and 8.5% of total EU exports. The remaining member states — Portugal, Spain, and the Netherlands — show negative RSCA values, indicating they are net importers or lack a comparative advantage in this product group.

Price volatility and supply shocks point to structural fragility

The volatility analysis reveals significant price instability in certain trade relationships. On the import side, suppliers like Switzerland (CV 1.26), Turkey (CV 1.63), and Montenegro (CV 2.31) exhibit high coefficients of variation, though these are smaller trade flows. Among major partners, the United Kingdom (CV 0.64) and Canada (CV 0.52) show moderate volatility, while Brazil (CV 0.20) and China (CV 0.32) are relatively stable.

On the export side, several destination markets display elevated volatility: India (CV 2.15), Thailand (CV 2.05), Brazil (CV 1.45), and Japan (CV 1.65). The supply shock detection identified three notable price shocks in EU exports:

• Morocco (2023): A price abnormality of 358.8 with a shift of +2,688.8%, though representing only 2.3% of export value — likely a one-off transaction or supply disruption.
• United States (2022): A price abnormality of 256.8 with a shift of +215.9%, accounting for 15.1% of export value — potentially linked to post-pandemic supply chain realignments or energy cost pass-through.
• Mexico (2017): A price abnormality of 70.3 with a shift of +524.0%, representing 8.0% of export value.

These shocks, while episodic, underscore the sensitivity of this market to supply-side disruptions and geopolitical factors.

Conclusion

The EU market for chlorates and perchlorates (CN 2829) underwent a fundamental transformation between 2015 and 2025. The most consequential development was the widening of the trade deficit from €6.8 million to €39.5 million, driven primarily by surging imports from India, Brazil, Vietnam, and the United States. This was not merely a volume story: import prices more than doubled, suggesting that structural cost pressures — likely linked to energy prices, raw material costs, and shifts in the global chemical supply chain — played a central role.

The geographic reorientation of trade has been striking. Traditional European suppliers have been overtaken by emerging-market producers, most dramatically Vietnam (which grew over 2,600% in export value to the EU) and India (which became the EU's largest single import source at €20.4 million). On the export side, the EU lost ground in markets like Indonesia and Brazil while consolidating its position in the United Kingdom and Turkey, leading to increased export concentration.

Within the EU, France and Belgium have emerged as the dominant players — France as the most specialised producer and a major exporter, Belgium as the largest importer. The high-value perchlorates and bromates segment (282990) has been the primary driver of value growth on both the import and export sides, reflecting the EU's comparative advantage in specialty chemicals even as it faces growing competition in commodity sodium chlorate.

Looking ahead, the combination of a widening trade deficit, growing dependence on a diversified but increasingly non-European supplier base, and episodic price volatility suggests that the EU's strategic autonomy in this product group warrants careful monitoring. The autonomy and vulnerability indicators may provide additional insight as more data becomes available for these metrics.