Comparing E210 - Benzoic acid vs E238 - Calcium formiate
Overview
Synonyms
Products
Found in 386 products
Found in 7 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.
How do i clean my lexmark e238 printer head?
That refers to a Lexmark printer; here E238 means calcium formate, a food additive—not a printer—so please consult your printer’s manual or manufacturer support.
How do i clean my lexmark e238?
This is about a Lexmark printer; E238 in this context is calcium formate (a food additive), so please check your printer manual or Lexmark support for cleaning steps.
How to get calcium formate?
Purchase calcium formate (E238) from reputable chemical suppliers; for any food-related intent, choose food‑grade material with a certificate of analysis and verify it’s legally permitted for your intended use in your country.
How to make calcium formate?
It is produced industrially by neutralizing formic acid with calcium hydroxide or calcium carbonate and then crystallizing the salt; due to handling hazards and purity needs, consumers should buy certified food‑grade product rather than making it.
How to open up the back of the ink printer on a lexmark e238?
That’s a printer hardware question; E238 here denotes calcium formate, a food additive, so please refer to the printer’s service guide or manufacturer support for disassembly instructions.