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Calcium sulfate

Inquiry
  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: 7778-18-9 Calcium sulfate
  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
  Tel: 0086-533-6293992 6293995 0139
  Fax: 0086-533-6293994 6293991
  Email: info@ga-intel.com
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