Acidified sodium chlorite solutions

CAS 7758-19-2

Acidified sodium chlorite is an antimicrobial wash used on poultry, meat, seafood and produce during processing. It is applied to the surface and rinsed, rather than being an ingredient.

Where it is and isn’t permitted

Status of Acidified sodium chlorite solutions by jurisdiction. Every jurisdiction this site covers is listed, including those where the substance does not appear.
JurisdictionStatusScope and limitsCitation
United StatesFood and Drug AdministrationPermitted, with conditions21 CFR 173.325retrieved 2026-09-07
Codex AlimentariusCodex Alimentarius Commission / JECFANot listedDoes not appear on this jurisdiction’s permitted list. That is not the same as being prohibited.

What it is made from

Made by acidifying a sodium chlorite solution, which releases chlorous acid, the active antimicrobial. It decomposes to chloride and chlorate.

  • Vegan
  • Vegetarian
CAS registry number
7758-19-2
InChIKey
UKLNMMHNWFDKNT-UHFFFAOYSA-M
PubChem
CID 23668197

Every name it appears under

62 recorded names. A label may use any of them.

CAS registry number

  • 7758-19-2

As it appears in regulation

  • Acidified sodium chlorite solutions

Other names

  • 4XLA Base
  • Alcide LD
  • Alpha-hydroxy acids
  • Alphacide 20K
  • Alphacide 30K
  • Atlas Barrier Base
  • Atlas Prep Base
  • Atlas PrePost Base
  • Auto-Chlor Base
  • Aztec Gold
  • CD2 Base
  • Chlorite sodium
  • Chlorous acid, sodium salt
  • Chloroxide B
  • ClO2-C Base
  • Cover All Part B
  • Cover II Part B
  • D.PRO Pack Solid
  • DEFENDERSTICK
  • Doctor GuardStick
  • Dr. Guard Pack Solid
  • Dr. Guard Stick
  • Duet Base
  • Duet Clear Base
  • EasyStick
  • EpiStar Barrier Base
  • EpiStar Pre-Post Base
  • G538EBV4VF
  • GEA Velocity Part B
  • Gladiator Barrier Base
  • Gladiator BLU Base
  • Gladiator Max Base
  • Gladiator PrepMax Base
  • Integrity Blue Part B
  • iSTICK
  • Maracyn Oxy
  • NaClO2
  • NARYN CARE Stick
  • Neo Silox D
  • OPTI-GUARD
  • Opti-Guard Base
  • Orbit Clean Base
  • PRE-SEPT
  • Pre-Sept Base
  • Pro-San Base
  • Pro-San LV Base
  • PURE O2 Pack-Solid
  • PURISTIC
  • Sodium chlorite
  • Soft Chlor Part B
  • Textone
  • Uddercare Plus Part B
  • Uddergold 5 Star
  • Udderstar Barrier Base
  • Udderstar Gold Base
  • UdderStar PrePost Base
  • Ultra-Guard Base
  • Ultra-Guard HV Base
  • XTRA BLU Part B

Systematic names

  • Sodium chlorite

Hazard reference values

Values set by assessing bodies. A body that has not set a value is not listed here.
TypeValuePopulationAssessed byOpinion
TDI0.03 mg/kg bw/dayconsumersEFSA AFC2006

Evidence and how bodies read it

Studies, and the differing conclusions regulators drew from them, are curated by hand rather than machine-read, and none has been written for this substance yet.

Sources for this page

  • ecfr retrieved 2026-09-07

Full licence terms and publisher details on Sources. How this page is built and updated: Method.

Machine-readable:/api/v1/additives/acidified-sodium-chlorite-solutions.json