Lithopone 1. Molecular Formula: ZnS BaSO4 2. Purity: 28%, 30% 3. CAS No: 1345-05-7 4. Appearance: White powder 5. Place of origin: China 6. Manufacture for Glacial acetic acid. lithopone B301 B311 ZNS 28% MIN 30% MIN ZNO 0.6%MIN 0.3%MAX VOLATILE MATTE 0.3%MAX 0.3%MAX MATTER SOLUBLE IN WATERE 0.4%MAX 0.3%MAX RESIDUE ON SIEVE 63 UM 0.1%MAX 0.1%MAX OIL ABSORPATION VALUE 14 10 . 25kg/PP Bag, 25mt/20'FCL.