Comparing E210 - Benzoic acid vs E559 - Aluminium silicate
Overview
Synonyms
Products
Found in 386 products
Found in 25 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 3 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.
What is kaolin clay?
Kaolin clay is a naturally occurring hydrated aluminium silicate mineral (mainly kaolinite), used as the food additive E559 (aluminium silicate). It’s a fine, white, inert powder formed by the weathering of feldspar-rich rocks.
What is kaolin used for?
In foods (as E559), it’s used mainly as an anti‑caking and release agent in powdered products and as a processing aid; outside foods, it’s widely used in ceramics, paper, rubber, and cosmetics.
Where is kaolin clay found?
It occurs worldwide in deposits formed by weathering of granite/feldspar; major sources include China (Gaoling), the southeastern United States (Georgia), the UK (Cornwall), and Brazil.
How much kaolin clay per pound of soap?
A common usage rate is about 0.5–1 teaspoon per pound of oils (roughly 1–3 g per 454 g), pre-dispersed in a little water or oil; higher amounts can make soap feel draggy or more drying.
Is kaolin clay good for skin?
Cosmetic‑grade kaolin is a mild, fine clay that can absorb excess oil and add slip, so it’s commonly used in masks and powders; it’s generally well tolerated, but overuse may be drying—patch test if you have very dry or sensitive skin.