Comparing E200 - Sorbic acid vs E283 - Potassium propionate
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Popular questions
Is sorbic acid bad for you?
Not for most people—it's a widely approved food preservative with low toxicity at permitted levels; rare individuals may experience mild irritation or digestive upset with high exposure.
Is sorbic acid safe for dogs?
Yes, when used at regulated amounts as a preservative in dog foods it’s considered safe; excessive intake may cause stomach upset in sensitive dogs.
Is sorbic acid safe?
Yes—it's approved in the EU (E200) and generally recognized as safe (GRAS) in the U.S. at typical food-use levels, with adverse effects uncommon at those amounts.
What is sorbic acid made from?
Commercially it’s synthesized from crotonaldehyde and ketene; it also occurs naturally in small amounts in rowan (mountain ash) berries.
Is sorbic acid natural?
It occurs naturally in some fruits, but the sorbic acid used in foods is almost always synthetically produced and is chemically identical to the natural compound.
Consider an aqueous solution which is .20m in potassium propanoate?
It will be basic, since propionate is the conjugate base of propionic acid (pKa ≈ 4.87); a 0.20 m aqueous solution has a pH of about 9.1.
Potassium propionate and aluminum powder make what?
They do not form a special or energetic compound under normal conditions—mixing them typically yields just a physical mixture with no reaction.
What is the decimal value for the hexadecimal number e283?
57987.
What is the fraction of association (α) for the following potassium propionate solutions?
In water, potassium propionate is essentially fully dissociated, so the fraction of association is ~0 (the degree of dissociation is ~1 at typical concentrations).