Place of Origin : Tian Jin,China

CAS NO.: 7727-43-7 UNO NO.: 1584 EINECS NO.: 231-784-4HS code: 28332700 UNSPSC code: 51212503 EXTERIOR APPEARANCE: Formless white powder PROPERTIES: White formless powder, relative density 4.50g/cm(15C);Melting point 1580C;No taste and no poisonous;Acid and alkali-resistant; mohs hardness(3-3.5); Can absord X-ray and other dangerous radiation.SPECIFICATION(STANDARD:GB/T2899-1966):BaSO4 98%Water soluble 0.3%Fe 0.006%PH 6.5-9.0Whiteness 95%Moisture 0.3%Oil absorber 10-30g/100g45um sieve residue