Comparing E210 - Benzoic acid vs E422 - Glycerol

Synonyms
E210
Benzoic acid
E422
Glycerol
Glycerin
Glycerine
vegetable glycerine
Products

Found in 386 products

Found in 12,762 products

Search rank & volume
#7533.2K / mo🇺🇸U.S.
#5167.1K / mo🇺🇸U.S.
Awareness score

×12.42
over-aware

×1.91
over-aware

Search volume over time

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

Interest over time for 5 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. What is vegetable glycerin?

    Vegetable glycerin is glycerol (E422) derived from plant oils (e.g., soybean, palm, coconut); it’s chemically identical to other glycerin and commonly used as a humectant and sweetener.

  2. Is glycerin bad for you?

    Generally no—at typical food and cosmetic levels it’s considered safe (FDA GRAS; EFSA found no safety concern at reported uses); large amounts may cause bloating, diarrhea, or thirst.

  3. Is glycerin good for your skin?

    Yes—glycerin is a humectant that draws and holds water in the outer skin layers, helping hydration and barrier function; very high, undiluted use can feel sticky or occasionally irritate.

  4. What is glycerin used for?

    In foods it works as a humectant, mild sweetener, thickener, and solvent/carrier for flavors and colors to keep products moist and stable; it’s also used in pharmaceuticals and personal care as a moisturizer, solvent, and plasticizer.

  5. What is glycerin made of?

    It’s most often produced by hydrolysis, saponification, or transesterification of natural triglycerides from plant or animal fats; it can also be made by microbial fermentation of sugars or synthetically from petrochemical routes.