... & feed grade ,FCCIV,E282,HG2921-1999 Calcium PropionateSpecification FCC, E282 ,HG2921-1999,Feed gradeCalcium ... has the formula (CH3CH2COO)2Ca. It is the calcium salt of propionic acid.Uses[1] As a ... as E number 282 in the Codex Alimentarius. Calcium propionate is used as a preservative in a ... propionates do not require an acidic environment.[4] Calcium propionate is used in bakery products as a mold ...