acidity_regulator INS 261

Potassium Acetate E261

buffer — Primarily synthetic.

🇪🇺 EU: Approved
🇺🇸 USA: Approved
🇯🇵 Japan: Approved
🇦🇺 AU/NZ: Approved
🇨🇦 Canada: Approved
Scientific Name

Potassium ethanoate

CAS: 127-08-2

Data verified: 2026-04-04

Factual Regulatory Reference

This database provides factual regulatory information compiled from official government sources. It does not constitute medical, nutritional, or safety advice. Regulatory status varies by country and is subject to change. Always refer to your local regulatory authority for the most current information.

What Is Potassium Acetate?

Potassium acetate is the potassium salt of acetic acid, used as an acidity regulator and preservative in packaged meats, cheeses, and condiments. It provides antimicrobial properties similar to acetic acid while contributing potassium rather than sodium — relevant for sodium-reduced formulations. JECFA considers acetate salts acceptable with no ADI specified. EFSA reviewed the acetates group in 2014, confirming safety. Potassium acetate is also used as a de-icing agent for aircraft and roads, but food-grade specifications differ from technical grade.

? Did You Know?

Beyond food, Potassium Acetate is also used in medicine, industrial applications. Its versatility makes it one of the most multi-purpose chemical compounds in everyday life.

In the EU, Potassium Acetate has a "quantum satis" authorization — Latin for "as much as needed." This means there's no specific maximum limit; manufacturers use only what's technologically necessary.

Detailed Regulatory Assessment

🇪🇺

European Union (EFSA)

approved Max: quantum satis mg/kg

None

🇺🇸

United States (FDA)

approved GRAS

Generally recognized as safe

🇯🇵

Japan (MHLW)

approved Cat: 既存添加物

Compliant with Japanese food sanitation law.

Acceptable Daily Intake (ADI)

International Standard (JECFA)

Not specified (ADI not limited)

mg/kg body weight per day

European Standard (EFSA)

Not specified

Everyday Perspective

For a 60kg adult, this limit is roughly equivalent to consuming:

Natural Occurrence

This additive is not known to occur naturally in significant quantities.

Manufacturing

Method: chemical synthesis

Produced by neutralizing acetic acid with potassium hydroxide or potassium carbonate.

Applications Beyond Food

Medical

Used in dialysis solutions and as a potassium supplement

Industrial

De-icing agent, buffering agent in chemical processes

Frequently Asked Questions

What is Potassium Acetate (E261)?
Potassium Acetate (E261) is a acidity_regulator used in food products. It is buffer and synthetic. A potassium salt of acetic acid used as an acidity regulator and preservative.
What is the ADI for Potassium Acetate?
The Acceptable Daily Intake (ADI) for Potassium Acetate is Not specified (ADI not limited) as established by JECFA (Joint FAO/WHO Expert Committee on Food Additives). ADI represents the amount that can be consumed daily over a lifetime without appreciable health risk.
What foods contain Potassium Acetate?
Potassium Acetate is used in various food categories including Dairy products and analogues. It is used as a acidity_regulator in these products.
Is Potassium Acetate the same as Potassium ethanoate?
Yes, Potassium Acetate is also known as Potassium ethanoate, Acetic acid potassium salt. These are different names for the same substance.