Synonym(s): Zinc tungstate Formula: ZnWO4 Formula weight: 313.22 Purity: 99.9% (metals basis) CAS Number: 13597-56-3 Harmonized Tariff Code:  2841.80 Hazard Statements: H335 May cause respiratory irritation. Precautionary Statements: P261-P304+P340-P312-P405-P403+P233-P501a …