Shanxi Xinchengshun Chemical Co., Ltd.

Precipitated barium sulphate

• Category :

  Inorganic chemicals

• Synonyms :

  C.I. 77120;C.I. Pigment White 21;Barite;Bariumsulfate,precipitated;Bariumsulfate;bariumsulfuricum;barium sulphate PRECIPITATED;Blanc fixe;barium sulfuricum;Baryte;Barytes;Barium sulphate;pricipitated Barium sulphate;

• CAS NO :

  7727-43-7

• EC NO :

  231-784-4

• Molecular Formula :

  BaSO₄

• Molecular Weight :

  233.3907

• Main Specifications :

  Appearance: it is colorless orthorhombic crystal; specific gravity: 4.50(15°C); high dispersing property, stable chemical property; insoluble in diluted acid, diluted base, organic solvent and water; soluble in hot concentrated sulfuric acid;

• InChI :

  InChI=1/Ba.H2O4S.2H/c;1-5(2,3)4;;/h;(H2,1,2,3,4);;/p-2/rBaH2.H2O4S/c;1-5(2,3)4/h1H2;(H2,1,2,3,4)/p-2

• Packing :

  25kg/bag; inner plastic film with outer woven bag

• Product description :

  Item	Index
  	superior product	top grade product	qualified product
  barium sulfate content (in dry basis), ω/% ≥	98.5	98	98
  105°C volatile matter, ω/% ≤	0.1	0.2	0.2
  water solubles, ω/% ≤	0.15	0.2	0.25
  ferrum (Fe), ω/% ≤	0.001	0.001	0.001
  whiteness ≥	97	96	96
  oil absorption/(g/100g)	10-20	10-20	10-30
  PH value (100g/L suspension liquid)	6.5-7.5	6.5-8.5	6.5-8.5
  fineness(45μm residue on sieve)/% ≤	0.1	0.15	0.2
  particle size distribution
  ＜10μm, % ≥	98	98	97
  ＜5μm, % ≥	97	97	96
  ＜2μm, % ≥	90	90	80

• Uses :

  It is mainly applied in powder coating industry. It has advantages of narrow size distribution, thin coating film, fine levelling property and strong refractive index. It is used in paint, printing ink, pigment, rubber articles, plastic and storage batte

• Molecular Structure :