... . Calcium NitrateSynonyms: Nitric acid, calcium (II) salt; calcium II nitrate, tetrahydrate (1:2:4); Calcium Nitrate, 4-Hydrate; Calcium DinitrateCAS No.: 13477-34-4Molecular Weight: 236.15Chemical Formula ... it is used as soiless culture and fast-effective fertilizer for acid soil. It also can be used to make fireworks ...