Classification
Product TypeIngredient
Product FormLiquid (aqueous solution)
Industry PositionFood Additive / Food Ingredient
Market
Lactic acid is a globally traded organic acid used as a food additive (INS 270) primarily for acidity regulation and related technological functions, with trade commonly tracked under HS 291811 (lactic acid, its salts and esters). Recent global trade patterns show export supply concentrated in a limited set of manufacturing and exporting hubs, with Thailand and China among the top exporters by value (HS 291811, 2023), alongside major European exporters such as Spain, Belgium, France, and Germany. Major import demand spans North America and Asia as well as Europe, including the United States and the Republic of Korea among leading importers by value (HS 291811, 2023). Beyond food uses, lactic acid is also an important intermediate for derivatives and downstream materials (e.g., polylactic acid pathways), linking demand to both food and non-food industrial value chains.
Major Producing Countries- 태국Major export origin for HS 291811 in recent UN Comtrade-derived trade summaries; industrial fermentation capacity has expanded (e.g., new lactic acid plant investments).
- 중국Major exporter for HS 291811 in recent trade summaries; significant fermentation-based production footprint including joint-venture facilities serving Asia.
- 벨기에European fermentation-technology base with producers and derivatives; Belgium appears among top exporters for HS 291811 in 2023 trade summaries.
- 프랑스Part of Europe’s industrial organic-acid production and trade network; France appears among top exporters for HS 291811 in 2023 trade summaries.
- 미국Large end-market and importer in HS 291811 trade summaries; domestic production exists but import reliance can be material depending on grade and downstream integration.
Major Exporting Countries- 태국Listed among top exporters by value for HS 291811 in 2023 (UN Comtrade-derived WITS summaries).
- 중국Listed among top exporters by value for HS 291811 in 2023 (UN Comtrade-derived WITS summaries).
- 스페인Listed among top exporters by value for HS 291811 in 2023 (UN Comtrade-derived WITS summaries).
- 벨기에Listed among top exporters by value for HS 291811 in 2023 (UN Comtrade-derived WITS summaries).
- 프랑스Listed among top exporters by value for HS 291811 in 2023 (UN Comtrade-derived WITS summaries).
- 독일Listed among top exporters by value for HS 291811 in 2023 (UN Comtrade-derived WITS summaries).
Major Importing Countries- 미국Listed among top importers by value for HS 291811 in 2023 (UN Comtrade-derived WITS summaries).
- 대한민국Listed among top importers by value for HS 291811 in 2023 (UN Comtrade-derived WITS summaries).
- 독일Listed among top importers by value for HS 291811 in 2023 (UN Comtrade-derived WITS summaries).
- 일본Listed among top importers by value for HS 291811 in 2023 (UN Comtrade-derived WITS summaries).
- 이탈리아Listed among top importers by value for HS 291811 in 2023 (UN Comtrade-derived WITS summaries).
- 스페인Listed among top importers by value for HS 291811 in 2023 (UN Comtrade-derived WITS summaries); may reflect intra-regional processing and redistribution.
Specification
Major VarietiesL-(+)-lactic acid, D-(-)-lactic acid, DL-lactic acid (racemic mixture), Lactate salts and esters (HS 291811 coverage includes salts/esters)
Physical Attributes- Typically marketed as a clear to slightly yellow aqueous solution with sour taste; concentrated solutions are corrosive and hygroscopic.
- Commercial supply commonly includes mid-to-high concentration solutions; solid forms may be encountered as salts or concentrated/hygroscopic materials.
Compositional Metrics- Assay / lactic acid content (w/w) as specified by grade (food, pharma, technical, polymer-grade).
- Optical purity (L/D ratio) where enantiomer control is important for downstream applications.
- Impurity limits (e.g., heavy metals, inorganic ions) aligned to the applicable specification framework (e.g., Codex/JECFA, FCC, pharmacopeial standards).
Grades- Food additive grade aligned to Codex GSFA use and JECFA specifications (INS 270).
- Food-grade specifications referenced in U.S. regulation via Food Chemicals Codex (FCC) for GRAS use conditions.
- Pharmaceutical-grade and specialty grades (specification frameworks vary by jurisdiction and buyer requirements).
- Polymer / high-purity grades used for derivatives and downstream materials where impurities and optical purity are tightly controlled.
Packaging- HDPE drums and jerrycans for liquid grades.
- Intermediate bulk containers (IBCs) and bulk tank shipments for industrial volumes.
- Moisture-protective packaging for hygroscopic solid forms (where applicable).
ProcessingCommercial production commonly uses microbial fermentation of carbohydrate feedstocks followed by purification and concentration; synthetic routes exist but are not universally used for food applications.Process chemistry can generate by-products in conventional schemes (e.g., gypsum formation in some neutralization routes), motivating circular/low-waste process innovations by some producers.Downstream conversion includes salt formation (lactates), esterification, and pathways to lactide/polylactic acid in integrated value chains.
Supply Chain
Value Chain- Carbohydrate feedstock sourcing (e.g., sugars/starch hydrolysates) -> microbial fermentation -> biomass removal/filtration -> purification (e.g., decolorization/ion exchange) -> concentration -> packaging (drums/IBCs/bulk) -> distribution to food, pharma, and industrial users.
Demand Drivers- Broad use as an acidity regulator and pH control agent in multiple food categories under Codex GSFA provisions (INS 270).
- Use as a flavouring agent and acidity regulator supported by JECFA evaluations and specifications frameworks.
- Use in the United States under GRAS conditions of use (21 CFR 184.1061) for multiple technological functions subject to good manufacturing practice.
- Non-food industrial pull-through via lactic-acid derivatives and integrated chains linking fermentation lactic acid to downstream polymerization pathways (e.g., PLA value chains).
Temperature- Ambient logistics are common for stabilized aqueous solutions, but temperature management is used to control viscosity/handling and prevent container stress in extreme cold or heat.
- Storage and transport require compatible materials and safety controls due to corrosivity of concentrated solutions.
Shelf Life- Shelf life is generally driven by concentration, packaging integrity, and contamination control; hygroscopic behavior and moisture ingress can affect quality for concentrated or solid forms.
Risks
Feedstock And Energy Cost Exposure HighGlobal lactic acid supply is tightly linked to carbohydrate feedstocks (sugars/starch) and energy-intensive fermentation/purification. Price shocks or availability constraints in key feedstocks and industrial energy can rapidly increase costs and reduce output, and disruptions at major exporting hubs can propagate quickly through international trade channels tracked under HS 291811.Dual-source across regions and producers, align contracts to input-cost risk where feasible, qualify alternate grades/suppliers, and maintain safety stock for critical applications.
Supply Concentration MediumRecent trade summaries for HS 291811 show a relatively concentrated set of top exporters (e.g., Thailand, China, and a handful of European exporters). Concentration increases vulnerability to plant outages, logistics disruption, and policy-driven trade friction affecting a limited number of supply corridors.Qualify at least two geographically distinct supply bases (e.g., Asia + Europe) and validate substitution across food/pharma/industrial specifications.
Regulatory Compliance MediumFood-use lactic acid must meet additive specifications and jurisdictional compliance requirements (e.g., Codex GSFA provisions for INS 270, JECFA specifications/evaluations, and country-specific frameworks such as U.S. 21 CFR GRAS conditions). Specification mismatches or documentation gaps can lead to shipment holds or delisting from sensitive applications.Maintain a robust specification dossier (CoA, traceability, impurity profile, process description) mapped to destination-market requirements and buyer standards.
Quality And Specification Drift MediumImpurity control and optical purity can be critical for certain downstream uses (notably specialty and polymer/derivative pathways). Variability in purification performance, feedstock impurities, or process upsets can cause off-spec batches, recalls, or downstream processing failures.Use incoming QC with agreed critical parameters (assay, optical purity where relevant, metals/inorganics), supplier audits, and grade-specific qualification.
Environmental Compliance MediumWastewater, salts, and process by-products can create compliance and permitting risks, especially where conventional schemes generate higher waste loads. ESG scrutiny may increase for producers with higher waste intensity or weaker effluent treatment controls.Prioritize suppliers with documented effluent treatment performance, waste minimization initiatives, and transparent sustainability reporting.
Sustainability- Agricultural feedstock footprint: fermentation-based supply chains depend on sugar/starch inputs whose land-use, fertilizer, and water impacts vary by origin and practice.
- Process effluents and by-products: conventional production routes can generate significant waste streams (including gypsum in some process configurations), increasing wastewater and disposal burdens; some producers are developing circular/low-waste technologies.
- Energy and carbon intensity: lifecycle impacts depend heavily on the electricity/steam mix and process efficiency in major producing regions.
Labor & Social- Worker health and safety: handling of concentrated organic acids introduces corrosivity hazards and requires strong process safety and PPE compliance across global plants and logistics.
- Upstream agricultural labor exposure: social risks may arise indirectly through carbohydrate feedstock supply chains (e.g., sugarcane or other commodity agriculture), depending on origin governance and labor practices.
FAQ
What is the Codex INS number for lactic acid and how is it classified for food use?In Codex’s GSFA Online, lactic acid (including L-, D- and DL- forms) is listed with INS number 270 and is classified as an acidity regulator, with provisions across many food categories under good manufacturing practice (GMP).
Which HS code is typically used to track lactic acid in global trade statistics?UN statistics classification lists HS 291811 for “lactic acid, its salts and esters,” which is the common HS-6 code used in international trade datasets for this product group.
Which countries appear as leading exporters and importers in recent global trade summaries for lactic acid (HS 291811)?In UN Comtrade-derived World Bank WITS summaries for 2023, Thailand and China are among the top exporters by value for HS 291811, along with European exporters such as Spain, Belgium, France, and Germany. The United States and the Republic of Korea appear among the top importers by value, alongside major European and Asian importers such as Germany, Japan, and Italy.
How is food-use lactic acid produced commercially, according to regulatory references?U.S. regulation (21 CFR §184.1061) notes lactic acid is produced commercially either by fermentation of carbohydrates (such as glucose, sucrose, or lactose) or via a synthetic route involving lactonitrile formation and hydrolysis. Codex/industry documentation also commonly describes fermentation-based production followed by purification and concentration to meet specification requirements.