Comparing E209 - Heptylparaben vs E221 - Sodium sulphite

Overview

E209 - Heptylparaben

Heptylparaben (E209) is a preservative from the paraben family. It helps stop molds and yeasts from growing, but its legal use in foods varies by country and is uncommon today. Always check your local rules and product labels for the most accurate picture.

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E221 - Sodium sulphite

Sodium sulphite (E221) is a preservative and antioxidant used to slow browning and keep foods stable and fresh-tasting. It belongs to the “sulphites” group, which also includes sulphur dioxide and several sulphite salts used for similar purposes. While widely permitted with limits and labeling rules, a small number of people—especially some with asthma—are sensitive to sulphites.

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Synonyms
E209
Heptylparaben
E221
Sodium sulphite
Sodium sulfite
Functions
preservative
antioxidantpreservative
Origins
Synthetic
Synthetic
Products

Found in 0 products

Found in 595 products

Search rank & volume
#46260 / mo🇺🇸U.S.
#2093.4K / mo🇺🇸U.S.
Awareness score

Awareness data is not available.

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Search volume over time

Search history data is not available.

Interest over time for 3 keywords in U.S. during the last 10 years.

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Popular questions

  1. Comp where to plug e209 cable?

    E209 is the E-number for heptylparaben, a synthetic paraben preservative (not permitted in EU foods); it isn’t a cable or plug.

  2. Doctor who e209?

    In food labeling, E209 means heptylparaben, a preservative not permitted in EU foods; it doesn’t refer to Doctor Who.

  3. How to charge razor scooter e209?

    E209 is heptylparaben, a food preservative (not permitted in EU foods) and unrelated to charging a Razor scooter.

  4. What does e209 mean on ambulance report?

    On food labels, E209 denotes heptylparaben, a preservative (not permitted in EU foods); it’s not a standard ambulance/EMS code.

  5. What does e209 member mean on ambulance report?

    E209 refers to heptylparaben in food contexts (not permitted in EU foods); “E209 member” on an ambulance report would be an unrelated internal code, not the additive.

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  1. What is the formula for sodium sulfite?

    Na2SO3; it’s also commonly available as the heptahydrate Na2SO3·7H2O.

  2. What is the chemical formula for sodium sulfite?

    Na2SO3 (sodium sulfite), sometimes encountered as the heptahydrate Na2SO3·7H2O.

  3. Is sodium phosphate a sulfite?

    No—sodium phosphate contains the phosphate anion (PO4^3-), not the sulfite anion (SO3^2-).

  4. What is sodium sulfite used for?

    It’s an antioxidant/preservative that prevents browning and oxidation and helps stabilize color and flavor in foods like dried fruits and potatoes; in wine it also helps control unwanted microbes.

  5. "sodium sulfite as a preservative is not allowed on what foods"?

    In the U.S., sulfiting agents like sodium sulfite are not allowed on fresh fruits and vegetables intended to be served or sold raw to consumers (e.g., salad bars, fresh-cut produce).

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