Comparing E210 - Benzoic acid vs E528 - Magnesium hydroxide
Overview
Synonyms
Products
Found in 386 products
Found in 8 products
Search rank & volume
Awareness score
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
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.
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.
Is benzoic acid a strong acid?
No—it's a weak acid, with a pKa of about 4.2.
What is the melting point of benzoic acid?
About 122–123 °C (251–253 °F).
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.
How magnesium hydroxide works?
It works as a sparingly soluble base that releases hydroxide ions to neutralize acids and raise pH. In medicinal use it neutralizes gastric acid and, at higher doses, draws water into the intestines to promote bowel movements.
Is magnesium hydroxide safe?
Yes—at permitted food-use levels (E528) it is considered safe by regulators. High intakes can cause diarrhea, and people with kidney impairment should avoid excessive magnesium exposure.
Is magnesium hydroxide a strong base?
Chemically it’s a strong base, but its very low solubility means its aqueous solutions are only moderately alkaline compared with highly soluble bases like sodium hydroxide.
What is magnesium hydroxide used for?
In foods it’s used as an acidity regulator/alkalizing agent and processing aid to control pH. Outside foods it’s the active ingredient in some antacids (milk of magnesia) and osmotic laxatives.
What does magnesium hydroxide do?
In food products it neutralizes excess acidity and helps stabilize pH. Medically it relieves heartburn by neutralizing stomach acid and, at higher doses, promotes bowel movements by drawing water into the gut.