Classification
Product TypeIngredient
Product FormCrystalline Solid (Anhydrous or Trihydrate)
Industry PositionFood Additive (Acidity Regulator / Preservative)
Market
Sodium acetate (INS 262(i); EU group E 262 “sodium acetates”) is a globally traded food additive used mainly for pH control and preservation across multiple processed-food categories permitted under Codex GSFA and national/regional regulations. Supply is industrial and non-seasonal, with availability and pricing closely linked to upstream acetic acid and inorganic sodium-base markets rather than agricultural harvest cycles. Regulatory acceptance is broad but use is governed by category-specific provisions (Codex GSFA) and good manufacturing practice/quantum satis frameworks (e.g., US GMP limits and EU quantum satis for Group I additives). Trade demand tracks processed-food manufacturing and reformulation needs, particularly where pH buffering, antimicrobial hurdles, or flavor-adjunct functions are required.
Specification
Major VarietiesSodium acetate (anhydrous), Sodium acetate trihydrate
Physical Attributes- White crystalline solid used as a food additive (available as anhydrous or trihydrate forms)
- Hygroscopic behavior can drive caking in humid logistics without moisture control
Compositional Metrics- INS: 262(i) (Codex GSFA / JECFA listings)
- CAS: 127-09-3 (anhydrous) and 6131-90-4 (trihydrate)
- Common regulatory identity grouping in the EU: E 262 (sodium acetates)
Grades- Food-grade material aligned to Food Chemicals Codex specifications (as referenced in US 21 CFR)
- JECFA specification and metals-limits references apply for international food-additive specification alignment
Packaging- Moisture-protective packaging formats are commonly used for international distribution to maintain free-flowing solids
Supply Chain
Value Chain- Acetic acid + sodium base neutralization (industrial) -> crystallization/evaporation -> drying (as needed) -> packaging -> distribution to food ingredient blenders and food manufacturers
- Used downstream as a formulated additive or as part of seasoning/pH-control systems depending on application and local regulatory conditions
Demand Drivers- Processed-food pH control and buffering needs (acid/salt systems) across multiple Codex GSFA-permitted categories
- Preservation and sequestration functions recognized in Codex GSFA functional-class listings
- Reformulation to achieve stability and shelf-life targets under good manufacturing practice/quantum satis frameworks
Risks
Feedstock Availability HighSodium acetate supply and pricing are structurally exposed to disruptions and volatility in upstream acetic acid and sodium-base inputs because commercial production relies on chemical neutralization routes rather than seasonal agriculture. Major acetic-acid market shocks (capacity outages, energy-price spikes, or trade restrictions affecting bulk chemical flows) can rapidly tighten availability and increase delivered cost for food manufacturers using sodium acetate for pH control or preservation.Qualify multiple suppliers and grades (anhydrous vs trihydrate where feasible), contract key volumes, and maintain safety stocks for critical formulations tied to Codex/market authorizations.
Regulatory Compliance MediumUse conditions vary by jurisdiction and food category (e.g., Codex GSFA category provisions, EU quantum satis for Group I additive listings, and US GMP/defined-use provisions). Misalignment between intended technical function, category authorization, and labeling requirements can disrupt trade of finished foods or ingredient shipments.Map intended use to Codex GSFA provisions and destination-market rules (EU additive grouping and US CFR conditions), and maintain up-to-date regulatory dossiers and compliant labeling.
Quality And Impurities MediumFood-additive buyers often require conformance to recognized specifications (e.g., FCC and JECFA specification references including metals-limits addenda). Off-spec identity/purity or contaminant excursions can trigger rejections, recalls, or border holds in regulated markets.Source from audited facilities with robust COAs against FCC/JECFA-aligned parameters, and implement lot-level verification for identity and relevant impurity/metal limits.
FAQ
What is sodium acetate’s Codex INS number and what functions are recognized in Codex GSFA?In Codex GSFA, sodium acetate is listed as INS 262(i). Codex GSFA lists its functional classes as an acidity regulator, preservative, and sequestrant.
How is sodium acetate made for food use, and what forms are commonly traded?US food-additive regulations describe sodium acetate as the sodium salt of acetic acid that may occur in an anhydrous or trihydrated form. The same source describes synthetic production by neutralizing acetic acid with sodium carbonate (and also notes an alternative route involving calcium acetate and other sodium salts).
How is sodium acetate treated under EU food-additive rules?In the EU additive framework, sodium acetates are listed under E 262 and appear in the Group I additives table with quantum satis, meaning use is generally limited to the minimum needed to achieve the intended technological effect (subject to applicable category rules).