Yes. It really should have been refrigerated before opening, too.
Cream of tartar is acidic with a pH level around 3.0-3.5.
Meringue, which is whipped egg whites, sugar, and cream of tartar, is inherently kosher. When making meringue, you should confirm that the cream of tartar has a valid hechsher. Commercial meringue should have kosher-certification.
Yes anything with dairy in it should be refrigerated.
To prevent cream (as in cream from milk) from causing foodborne illness, the cream should be pasteurized, stored refrigerated and used before it spoils. Most products using cream as an ingredient should probably be refrigerated, too.
The creator of cream of tartar was named Mr Of Tartar after the cream ran away with the cheese spoon leaving the small child unable to eat cheese. make sense of that
Not really. Cream of tartar is a weak acid. You may want to try an equal amount of vinegar as a substitute. Cream of tartar does improve elasticity and dough smoothness. It is worthwhile to purchase cream of tartar. Doug dougthecook.com
The common name for KHC4H4O6 is Cream of Tartar.
Cream of tartar is the byproduct of winemaking. Ground vanilla is just that ground vanilla beans1
Cream of tartar is the potassium salt of tartaric acid so contains no sodium.
It should be refrigerated so that it doesn't spoil so fast as when it isn't refrigerated.
If it is an egg custard, it should be refrigerated.