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Lithopone

CAS No.
1345-05-7
Chemical Name:
Lithopone
Synonyms
Lithpone;LITHOPONE;llthopone;tithopone;Zincolith;c.i. 77115;Becton White;LithoponeB311;Charlton White;pigment white 5
CBNumber:
CB8467317
Molecular Formula:
BaO5S2Zn2
Molecular Weight:
412.23
MDL Number:
MFCD00467106
MOL File:
1345-05-7.mol
MSDS File:
SDS
Last updated:2024-08-12 20:24:49

Lithopone Properties

Density 4.136~4.39
InChI InChI=1S/Ba.H2O4S.O.S.2Zn/c;1-5(2,3)4;;;;/h;(H2,1,2,3,4);;;;/q+2;;;;;/p-2
InChIKey YCEJLNKYYGDNTD-UHFFFAOYSA-L
SMILES S(=O)([O-])([O-])=O.O=[Zn].S=[Zn].[Ba+2]
CAS DataBase Reference 1345-05-7(CAS DataBase Reference)
EPA Substance Registry System C.I. Pigment White 5 (1345-05-7)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H302-H332
Precautionary statements  P264-P270-P301+P312-P330-P501-P261-P271-P304+P340-P312

Lithopone Chemical Properties,Uses,Production

Description

Lithopone is a bright white pigment used in paints, inks, leather, paper, linoleum and flour. It was developed in the 1870s as a replacement or supplement for lead carbonate (white lead), in order to overcome its disadvantages of toxicity, poor weathering properties and darkening in atmospheres containing sulphur compounds. It is an insoluble mixture of barium sulphate and zinc sulphide, which precipitates when barium sulphate and zinc sulphate solutions are mixed. The precipitate is recovered by filtration and then calcined (roasted) at temperatures above 600° C (1,112° F). It is now replaced by titanium dioxide in most applications, but it is still widely used in many products such as water paints.

Chemical Properties

Lithopone is a white powder that is insoluble in water, but soluble in acids. It has high resistance to hydrochloric acid and silver ions.

Uses

Lithopone is a mixed zinc sulfide-barium sulfate pigment available in two types; one containing 30 percent zinc sulfide and one containing 60 percent zinc sulfide. Coprecipitation is achieved by reacting an aqueous solution of zinc sulfate with barium sulfide. The barium sulfide solution is prepared by reducing barite ore (BaSO4) with carbon.

Uses

Lithopone is mainly used in coating materials with relatively high pigment concentrations. Examples are primers, plastic masses, putties and fillers, artists’ colors, and emulsion paints. An important property of lithopone is its low binder requirement, giving paint products with good flow and application properties. It is suitable for almost all binder media, and has good wetting and dispersing properties. With optimum feed composition, good dispersion can be achieved simply by the action of a dissolver. It can be economically advantageous to use lithopone in combination with TiO2 pigments; the good hiding power of the TiO2 pigments is combined with the economic and technical advantages of lithopone. Due to the strong shift of the absorption band towards the blue, lithopone is especially useful as a white pigment for UV-cured paint systems. Zinc compounds have fungicidal and algicidal effects, and inclusion of lithopone or Sachtolith in paint formulations for exterior use therefore helps prevent the growth of algae or fungi.
The material advantages of lithopone are used in plastics (e.g., good lightfastness and clear bluish-white shade). The product also imparts very good extruding properties to the plastic resulting in high throughput rates and economic extruder operation. In fire-resistant systems, ca. 50% of the flame retardant antimony trioxide can be replaced by nontoxic lithopone without any adverse effect.

Uses

In water and oil paints to provide thixotropy, improve gloss and flow.

Application

Lithopone is used as a pigment in paints, plastics, and printing inks. The particle size of it can be reduced through the use of polyvinyl alcohol (PVA) or sodium carbonate. PVA reduces particle size by absorbing the liquid and forming a gel-like substance around the particles. Sodium carbonate reduces particle size by forming a protective layer on the surface of the particles, which prevents them from clumping together. Lithopone also has analytical chemistry applications because it absorbs radiation well and can be used for identification purposes.

Global( 151)Suppliers
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Henan Bao Enluo International TradeCo.,LTD
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Shanxi Naipu Import and Export Co.,Ltd
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View Lastest Price from Lithopone manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Lithopone pictures 2024-09-19 Lithopone
1345-05-7
US $1000.00-400.00 / kg 1kg 99% 5000 HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
Lithopone pictures 2024-09-19 Lithopone
1345-05-7
US $3.50 / kg 1kg ≥98% 3000tons/month Hebei Andu Technology Com.,Ltd
Lithopone pictures 2024-09-19 Lithopone
1345-05-7
US $6.00 / kg 1kg 99% 2000KG/Month HebeiShuoshengImportandExportco.,Ltd
  • Lithopone pictures
  • Lithopone
    1345-05-7
  • US $1000.00-400.00 / kg
  • 99%
  • HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
  • Lithopone pictures
  • Lithopone
    1345-05-7
  • US $3.50 / kg
  • ≥98%
  • Hebei Andu Technology Com.,Ltd
  • Lithopone pictures
  • Lithopone
    1345-05-7
  • US $6.00 / kg
  • 99%
  • HebeiShuoshengImportandExportco.,Ltd
C.I.Pigmentwhite5 pigment white 5 LITHOPONE Barium zinc sulfate sulfide c.i. 77115 LITHOPONE B301 ZNS 28-30% LithoponeB311 LithoponeZns+BaSO4 Zinc sulfide, barium sulfate mixture Barium zinc sulfate Barium zinc sulfide LITHOPONE 28-30% LITHOPONE B 301 llthopone C.I. Pigment White 5 (lithopone) tithopone Pigment White 5 (77115) Becton White Charlton White Zincolith Lithopone Acid Lithpone white powder Lithopone B301 White Pigment 30% Powder Lithopone B311 good quality 28% and 30% Lithopone B301 white powder LITHOPONE CAS: 1345-05-7 1345-05-7 ZnSBaSO4 Zn2BaS2O5 UVCBs-inorganic INORGANIC & ORGANIC CHEMICALS