Comparing E210 - Benzoic acid vs E501I - Potassium carbonate

Synonyms
E210
Benzoic acid
E501i
Potassium carbonate
Products

Found in 386 products

Found in 619 products

Search rank & volume
#7533.2K / mo🇺🇸U.S.
#12612K / mo🇺🇸U.S.
Awareness score

×12.42
over-aware

×2.82
over-aware

Search volume over time

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

Interest over time for 2 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 potassium carbonate soluble?

    Yes—it's highly soluble in water and deliquescent. It is insoluble in ethanol.

  2. Is potassium carbonate soluble in water?

    Yes, it dissolves readily in water to form a strongly alkaline solution.

  3. What is potassium carbonate used for?

    In foods, E501(i) is used as a stabiliser and acidity regulator/buffer, and as a leavening aid in some baked goods and alkaline-processed foods like certain noodles and cocoa. It’s also used industrially in making glass and soap.

  4. Is potassium carbonate dangerous?

    At approved food-use levels it’s considered safe, but the solid and concentrated solutions are strongly alkaline and can irritate or burn skin and eyes. Those with kidney disease or on potassium‑sparing medications should avoid excessive potassium intake.

  5. How to make potassium carbonate?

    Industrial production absorbs carbon dioxide into potassium hydroxide solution to form K2CO3; historically it was obtained from leached wood ashes. For food use, only purchase certified food‑grade material—home production isn’t recommended.