Comparing E210 - Benzoic acid vs E507 - Hydrochloric acid

Synonyms
E210
Benzoic acid
E507
Hydrochloric acid
Hydrogen chloride
Products

Found in 386 products

Found in 15 products

Search rank & volume
#7533.2K / mo🇺🇸U.S.
#3086.7K / mo🇺🇸U.S.
Awareness score

×12.42
over-aware

×633.88
over-aware

Search volume over time

Interest over time for 2 keywords in U.S. during the last 10 years.

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

Popular questions
  1. Is benzoic acid soluble in water?

    Only sparingly—about 3 g per liter at room temperature; its solubility increases in hot water and it dissolves readily in many organic solvents.

  2. Is benzoic acid polar?

    It has a polar carboxyl group but a nonpolar aromatic ring, so overall it’s only weakly polar; its benzoate salt is much more polar and water‑soluble.

  3. Is benzoic acid a strong acid?

    No—it's a weak acid, with a pKa of about 4.2.

  4. What is the melting point of benzoic acid?

    About 122–123 °C (251–253 °F).

  5. Is benzoic acid bad for you?

    At approved food levels it’s considered safe, with an ADI of 0–5 mg/kg body weight/day; some people may experience irritation or hypersensitivity, and benzene formation in certain acidic drinks is monitored and kept very low.

  1. Is hydrochloric acid a strong acid?

    Yes—hydrochloric acid (E507) is a strong mineral acid that dissociates almost completely in water; in foods it’s used only in dilute amounts.

  2. What is hydrochloric acid used for?

    In foods, E507 is used to acidify and control pH, and as a processing aid in sugar/starch hydrolysis and gelatin production.

  3. What does hydrochloric acid do?

    It lowers pH to adjust acidity for flavor, texture, and microbial control, and can catalyze hydrolysis reactions during processing. Any residual acid is typically neutralized or highly diluted in the final product.

  4. Is hydrochloric acid dangerous?

    Concentrated hydrochloric acid is highly corrosive and can cause severe burns and harmful fumes. In foods, food‑grade HCl used at good manufacturing practice levels is considered safe (GRAS in the U.S.; permitted as E507 in the EU).

  5. Is hydrochloric acid flammable?

    No—hydrochloric acid is non‑flammable, though it can react with some metals to release flammable hydrogen gas and emits corrosive fumes.