Calcium sulfate

• Post Date:

  Apr 04,2015

• Expiry Date:

  Oct 01,2015

• Detailed Description:

  Cas No. :7778-18-9

  calcium sulfate
  molecular formula: CaSO4
  CAS: 7778-18-9
  Appearance:White crystal powder

  calcium sulfate

  Properties:
  Colorless columnar crystal or white crystalloid powder. 128 °C lose 1.5 gesso to half hydrate and 163 °C above be without water content. The relative density 2.32, melting point °C (1450 without water content). Slightly soluble in hot water soluble in alcohols and most organic solvents.

  Use:
  Analytics reagents, also used in water treatment, papermaking, printing, dyeing, metallurgy and coating, adhesive production

  Details:

  Test item	Specification
  	Reagent grade	Pharmaceutical grade
  Appearance	Conform	Conform
  Assay /%	≥99.0	≥97.0
  Clarify degrees test	Conform	Conform
  Hydrochloric acid insoluble, /%	≤0.025	≤0.05
  Chloride (Cl)/%	≤0.002	≤0.005
  Nitrate  (NO3)/%	≤0.002	≤0.005
  Ammonium salt (NH4)/%	≤0.005	≤0.015
  Carbonate  (CO3)/%	≤0.05	≤0.1
  Ferric (Fe)/%	≤0.0005	≤0.001
  Heavy metal (Pb)/%	≤0.001	≤0.002
  Alkali metal magnesium and (MgO)/%	≤0.2	≤0.5

• CAS Registry Number:

  7778-18-9

• Synonyms:

  ;anhydrouscalciumsulfate;anhydrousgypsum;anhydroussulfateoflime;calciumsulfate(1:1);calciumsulfate(anhydrous);calciumsulfate(caso4);calciumsulfate,anhydrous;

• Molecular Formula:

  CaSO₄

• Molecular Weight:

  136.1417

• Molecular Structure:

  

• Hazard Symbols:

   T:有毒物质‖N;
  

• Risk Codes:

  R49:吸入会致癌‖R42/43;
  

• Safety Description:

  S36/37:穿戴合适的防护服和手套‖S24/25;
  

• Company:

  GA INTERNATIONAL     [ China ]        

• Contact:

  Mr.Li

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