Sodium chlorite
7758-19-2 · 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 BListed as a starch-modifying agent by Canada.
Listed as starch-modifying agents (CA)
- Canada: Starch-modifying agent — Health Canada, List of Permitted Starch-Modifying Agents (List 13)
Sodium chlorite is the salt from which chlorine dioxide is generated for washing produce and poultry. Health Canada lists it in its own right, as well as the acidified solutions that release the active agent.
Where it is and isn’t permitted
| Jurisdiction | Status | Scope and limits | Citation |
|---|---|---|---|
| Australia and New Zealand | No listed food uses foundThis site has not matched this substance to any food use on this jurisdiction’s list of authorised food additives. A food additive may be used only in foods that list names. Flavourings, enzymes, processing aids and added nutrients are regulated separately and do not appear on it. | ||
| Canada | Permitted | no numerical limit (good manufacturing practice) In: Starch used in the manufacture of modified starch. Purpose: Starch-modifying agent. Limit: Good Manufacturing Practice. | Health Canada, List of Permitted Starch-Modifying Agents (List 13), item S.4retrieved 2026-10-17 |
| European Union | No listed food uses foundThis site has not matched this substance to any food use on this jurisdiction’s list of authorised food additives. A food additive may be used only in foods that list names. Flavourings, enzymes, processing aids and added nutrients are regulated separately and do not appear on it. | ||
| Great Britain | No listed food uses foundThis site has not matched this substance to any food use on this jurisdiction’s list of authorised food additives. A food additive may be used only in foods that list names. Flavourings, enzymes, processing aids and added nutrients are regulated separately and do not appear on it. | ||
| Japan | Permitted, with conditions | Designated additive: Appended Table 1, item 3, 亜塩素酸ナトリウム (“Sodium Chlorite” in the unofficial English translation). …Designated additive: Appended Table 1, item 3, 亜塩素酸ナトリウム (“Sodium Chlorite” in the unofficial English translation). Standards for use — Specifications and Standards for Foods, Food Additives, etc. (MHW Notification No. 370 of 1959), Part II (Food Additives), F (Standards for use), entry 亜塩素酸ナトリウム: (1) [may be used only in the foods stated] “亜塩素酸ナトリウムは、かずのこの加工品(干しかずのこ及び冷凍かずのこを除く。以下この目において同じ。)、かんきつ類果皮(菓子製造に用いるものに限る。)、さくらんぼ、食肉、食肉製品、生食用野菜類、卵類(卵殻の部分に限る。以下この目において同じ。)、ふき、ぶどう及びもも以外の食品に使用してはならない。” (2) [sets maximum levels of use for the foods stated; must be removed or broken down before the food is finished] “亜塩素酸ナトリウムの使用量は、亜塩素酸ナトリウムとして、かずのこの加工品、生食用野菜類及び卵類にあっては浸漬液1kgにつき0.50g以下、食肉及び食肉製品にあっては浸漬液又は噴霧液1kgにつき0.50～1.20gでなければならない。また、使用した亜塩素酸ナトリウムは、最終食品の完成前に分解し、又は除去しなければならない。” (3) [states a further condition on how it is used] “亜塩素酸ナトリウムは、食肉及び食肉製品に使用するとき、pH2.3～2.9の浸漬液又は噴霧液を30秒以内で使用しなければならない。” The Japanese is the standard as published. There is no official English translation of the Notification; the English in square brackets is this site’s description of what each sentence does, not a translation of the foods or the levels. Compositional specifications for this additive, in the same Notification, are not imported and are not shown here; nor are the general rules in F 添加物一般, which apply to every additive. | Regulations for Enforcement of the Food Sanitation Act (MHW Ordinance No. 23 of 1948), Appended Table 1retrieved 2026-10-18 |
| South Korea | No listing matchedThis site imports Part III of South Korea’s Standards and Specifications for Food Additives, matched by CAS number, then INS number, then exact name. Mixed preparations and sanitisers are not imported, and an entry whose identifiers disagreed with a page’s is held for review, so an empty row does not show that South Korea does not permit the substance. | ||
| United States | Not listedDoes not appear on this jurisdiction’s permitted list. That is not the same as being prohibited. | ||
| Codex Alimentarius | Not listedDoes not appear on this jurisdiction’s permitted list. That is not the same as being prohibited. |
How much is permitted
A listing usually limits the quantity as well as the food. Only one of the forms that takes is a figure: quantum satis and good manufacturing practice permit the amount the technological effect requires and no more, which is a limit rather than the absence of one. Figures below are the range across every food category this page is listed in, and categories differ between regulators — see how much is permitted.
| Canada | — | 1 GMP |
|---|---|---|
| Japan | — | 1 no quantity stated |
No regulator sets a figure for Sodium chlorite. That is not an absence of control: where the listing says quantum satis or good manufacturing practice, the quantity is limited to what the effect requires.
What it is made from
Made by reducing chlorine dioxide in alkali.
- Vegan
- Vegetarian
Compare other additives on the dietary indexes.
- InChIKey
- UKLNMMHNWFDKNT-UHFFFAOYSA-M
- PubChem
- CID 23668197
Every name it appears under
60 recorded names. A label may use any of them.
CAS registry number
- 7758-19-2
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
Hazard reference values
No reference value for this substance in the sources we hold.
Evidence and how bodies read it
Studies, and the differing conclusions regulators drew from them, are curated rather than machine-read, and none has been written for this substance yet.
Common questions
Assembled from what is above, in the words the questions are usually asked in. Each answer is the same statement the relevant section makes, with the same citations behind it.
- What is Sodium chlorite?
- Sodium chlorite is the salt from which chlorine dioxide is generated for washing produce and poultry. Health Canada lists it in its own right, as well as the acidified solutions that release the active agent.
- What is Sodium chlorite used for in food?
- It is listed as a starch-modifying agent — the role Canada assigns it. This page shows every function each regulator records, with the citation for each.
- Where is Sodium chlorite permitted?
- Of the seven regulators this site reads, Canada and Japan permit it. Each permission is for named foods at named levels, not a blanket one; the table on this page gives them with citations.
- Is Sodium chlorite vegan?
- Yes. Sodium chlorite is not derived from animals, and is suitable for vegetarians. This page says what it is made from and how.
Sources for this page
- ca retrieved 2026-10-17
- jp retrieved 2026-10-18
Full licence terms and publisher details on Sources. How this page is built and updated: Method.
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