Shaanxi Fuhua Chemical Co., Ltd.

Pecipitated barium sulfate

• Category :

  Inorganic chemicals/Inorganic salts

• 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 :

• 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

• Product description :

  Item	Index
  	I type		II type
  	Top grade	First grade	First grade	Qualified product
  Barium sulphate (dry), ω/% ≥	98.5	98.0	98.0	98.0
  Volatile on 105°C, ω/% ≤	0.10	0.20	0.20	0.25
  Water soluble, ω/% ≤	0.15	0.20	0.25	0.30
  Fe, ω/% ≤	0.0010	0.0010	0.0010	0.0020
  Whiteness ≥	97.0	96.0	96.0	95.0
  Oil absorption/(g/100g)	10-20	10-20	15-30	10-30
  PH value(100g/L Suspension)	6.5-7.5	6.5-8.5	6.5-8.5	--
  Fineness ( residue on 45μm sieve)/% ≤	0.10	0.15	0.20	0.30
  Distribution of Particle size
  <1μm, % ≥	98	98	97	--
  <5μm, % ≥	97	97	96	--
  <2μm, % ≥	90	90	80	--

• Molecular Structure :