Synonyms: hexacyanoferrous hydrogen acid;ferrocyanic acid CAS No. 17126-47-5 Molecular Formula: H4Fe(CN)6 Formula Weight: 215.98 Description: Appearance: White crystalline powder Uses: Pharmacy,dye intermediate Solubility: Soluble in ethanol,water.Insoluble in ether. Storage: This product shall be sealed to preserve in dry and cool place.