Title: Calcium Tartrate
CAS Registry Number: 3164-34-9
CAS Name: 2,3-Dihydroxybutanedioic acid calcium salt
Molecular Formula: C4H4CaO6
Molecular Weight: 188.15
Percent Composition: C 25.53%, H 2.14%, Ca 21.30%, O 51.02%
Line Formula: CaC4H4O6
Literature References: A byproduct of the wine industry. Prepn from wine dregs: Dabul, US 3114770 (1963 to Orandi & Massera). See also the processes mentioned under L-tartaric acid.
Derivative Type: Tetrahydrate
Properties: Powder. Slightly sol in water (from about 0.04% at 10° to about 0.2% at 85°) or in alcohol; sol in dil HCl or HNO3.
Use: As preservative for fruits, vegetables, seafoods; in deodorization of fish; as antacid.