U.S. exports of Butyric Acids, Valeric Acids, Their Salts and Esters (SITC 51375) totaled $9.0M in August 2026.
Importers of Butyric Acids, Valeric Acids, Their Salts and Esters paid $621K in duties in August 2026, an average duty rate of 14.29% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Butyric Acids, Valeric Acids, Their Salts and Esters imports of $4.4M in August 2026 ran 10% above the year-to-date monthly average of $4.0M.
Last updated: August 2026 dataButyric acid and its derivatives — particularly sodium butyrate and tributyrin — have grown in commercial importance as gut-health additives in animal nutrition and as flavor compounds in food and fragrance manufacturing. Valeric acid and its esters serve as intermediates in pharmaceutical synthesis and as flavoring agents. The distinction between n-butyric acid and isobutyric acid (2-methylpropanoic acid) is commercially and regulatorily significant, as they carry different CAS numbers and may be classified at different HTS subheadings. Importers of butyrate salts intended for feed use should confirm applicable regulatory status with the relevant authority.
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212 import shipments a month
N-butyric acid (straight-chain) and isobutyric acid (branched, 2-methylpropanoic acid) are structurally distinct compounds with different CAS numbers, end uses, and potentially different HTS subheadings. Importers must specify the correct isomer on commercial invoices and entry documents to avoid misclassification and potential customs delays.
Sodium butyrate and calcium butyrate marketed as feed additives may be subject to FDA Center for Veterinary Medicine review or APHIS oversight depending on their formulation and labeling claims. Importers should verify the regulatory status of the specific product with a licensed customs broker or regulatory consultant before the first shipment.
Basic heading 249 of 465 in section 5
Basic heading 51375 · $9.0M of $26.2B
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Exports · August 2026
destination
Netherlands and India together take 46% of it.
customs district
Census does not publish district detail for this classification system.
origin
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$4.4MYoY · free account
Exports
$9.0MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $43.5M of Butyric Acids, Valeric Acids, Their Salts and Esters and exported $121.3M.
Through August 2026. Source: U.S. Census Bureau.