Comparing E210 - Benzoic acid vs E331III - Trisodium citrate
Overview
Synonyms
Products
Found in 386 products
Found in 365 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.
Is trisodium citrate bad for you?
No—trisodium citrate (E331iii) is widely used as a food acidity regulator and is considered safe at typical food levels (JECFA ADI: “not specified”); those on sodium-restricted diets or consuming very large amounts should be mindful of the added sodium and possible mild stomach upset.
What is trisodium citrate dihydrate?
It’s the hydrated crystalline form of trisodium citrate (Na3C6H5O7·2H2O); it functions the same in foods as a buffer/chelating agent, with the water of crystallization only affecting dosing by weight.
What is trisodium citrate used for?
In foods it serves as an acidity regulator/buffer and emulsifying salt (especially in processed cheese), and as a chelator that controls tartness and helps prevent oxidation; it’s also used to stabilize flavors in beverages.
During sample preparation, why must the solutions be buffered with trisodium citrate?
Citrate buffer maintains a controlled pH and chelates multivalent metals, helping prevent precipitation or oxidation and stabilizing analytes during preparation.
Fe during sample preparation, why must the solutions be buffered with trisodium citrate?
For iron analyses, citrate complexes Fe2+/Fe3+ and holds the pH where ferric hydroxide won’t precipitate, reducing losses and interferences from other metals.