Classification
Product TypeIngredient
Product FormPowder / Crystals
Industry PositionFood Additive (Inorganic phosphate salt)
Market
In South Korea (KR), trisodium phosphate is a regulated food additive ingredient referenced in the FoodSafetyKorea Food Additives Code content (listed as “제삼인산나트륨”). The market is primarily an industrial-demand market supplying domestic food manufacturers and ingredient premix/blending operations rather than direct household consumption. For imported supply, market access risk is driven by MFDS imported-food controls and border inspections (document review and, where triggered, sampling/testing) alongside Korea Customs Service clearance via UNI-PASS. Procurement commonly prioritizes specification conformance (e.g., JECFA/Codex-aligned identity and impurity limits) and complete batch documentation to avoid clearance delays or rejection.
Market RoleImport-dependent industrial consumer market (food additive ingredient)
Domestic RoleInput ingredient for domestic food manufacturing (buffering/sequestration/emulsion stabilization functions)
Market GrowthNot Mentioned
SeasonalityNo agricultural seasonality; demand is tied to year-round food manufacturing and import replenishment cycles.
Specification
Physical Attributes- White, odourless crystals, granules, or crystalline powder (multiple hydrate forms exist) per JECFA specification
- Freely soluble in water; insoluble in ethanol per JECFA specification
Compositional Metrics- JECFA assay expectations: ≥97.0% on dried basis for anhydrous/hemihydrate/monohydrate forms; ≥92.0% on ignited basis for dodecahydrate
- JECFA purity limits include: water-insoluble substances ≤0.2%; fluoride ≤50 mg/kg; arsenic ≤3 mg/kg; lead ≤4 mg/kg
- JECFA pH reference for 1 in 100 solution: 11.5–12.5
Grades- Food-grade conformity commonly referenced against JECFA/Codex specification monographs and applicable national food-additive standards (MFDS)
Supply Chain
Value Chain- Overseas manufacturer → KR importer (MFDS imported-food system) → border inspection (document review and, as applicable, sampling/testing) → KCS customs clearance via UNI-PASS → domestic distributor → food manufacturer end-user
Temperature- Ambient handling; avoid moisture ingress to maintain consistent hydration state and free-flowing properties (quality risk managed through packaging and storage controls).
Freight IntensityMedium
Transport ModeSea
Risks
Regulatory Compliance HighNon-conformance or inconsistency between the declared product (trisodium phosphate / “제삼인산나트륨”) and the supporting specifications/COA can trigger MFDS border holds, escalated sampling/testing, or rejection, delaying supply to KR manufacturers.Align product identity (INS/CAS/name), grade, and impurity limits on COA to a recognized specification basis (e.g., JECFA/Codex) and to the applicable MFDS standard; run pre-shipment document QA against the importer’s MFDS/KCS checklist.
Food Safety MediumImpurity non-compliance (e.g., heavy metals/arsenic/fluoride above specification limits) can create a safety-compliance failure for food-grade use in KR.Require each lot to meet JECFA specification limits (including metals/arsenic/fluoride and water-insoluble matter) and maintain retained samples for dispute resolution.
Documentation Gap MediumImport clearance in KR relies on coordinated MFDS and KCS processes; missing/incorrect declarations or mismatched documents can cause administrative delays even if product quality is acceptable.Use a controlled document set (spec sheet, COA, SDS where requested, labeling/pack marking) and ensure the HS code and product name are consistent across MFDS and KCS filings.
Logistics MediumOcean freight volatility and port/consolidation delays can disrupt replenishment timing for bulk inorganic additives supplied to KR on lean inventory cycles.Hold safety stock at KR distributor level, diversify freight lanes/carriers, and lock shipping windows around peak congestion periods where possible.
FAQ
Which Korean authorities and systems are most relevant to importing trisodium phosphate as a food additive into Korea?MFDS oversees imported food safety under the Special Act framework and can apply border inspections (document review and, where applicable, sampling/testing). Customs clearance is processed through the Korea Customs Service’s UNI-PASS system.
What specification basis can be used to define food-grade trisodium phosphate quality parameters?The FAO/WHO JECFA specification monograph for trisodium phosphate (INS 339(iii), CAS 7601-54-9) provides identity, assay expectations, and impurity limits (including certain metals/arsenic/fluoride and water-insoluble matter) that can be referenced when preparing specifications and COAs.
What is the typical HS heading family used to classify trisodium phosphate for trade documentation purposes?At the Harmonized System level, trisodium phosphate aligns with heading 2835 (phosphates) and is typically associated with the ‘of trisodium’ subheading (2835.23). The importer should confirm the exact Korean tariff line and declaration details for the shipped grade.