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Sigma-Aldrich

Calcium sulfate

≥99.99% trace metals basis

Synonym(s):

Gypsum

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About This Item

Linear Formula:
CaSO4
CAS Number:
7778-18-9
Molecular Weight:
136.14
EC Number:
231-900-3
MDL number:
MFCD00010912
UNSPSC Code:
12352302
PubChem Substance ID:
24855474
NACRES:
NA.23

Assay

≥99.99% trace metals basis

form

powder and chunks

impurities

≤100.0 ppm Trace Metal Analysis

SMILES string

[Ca++].[O-]S([O-])(=O)=O

InChI

1S/Ca.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2

InChI key

OSGAYBCDTDRGGQ-UHFFFAOYSA-L

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General description

Calcium sulfate (CaSO4) is an inorganic compound with significant applications in material science, particularly due to its various hydrated forms, such as gypsum and plaster of Paris. It can be used in the production of solar thermal energy systems, where it serves as a heat transfer medium or in the construction of solar panels. Additionally, calcium sulfate can also be utilized in the formulation of electrolytes for calcium-ion batteries.

Application

Calcium sulfate can be used:   
  • In the formulation of electrolytes for calcium-ion batteries. The presence of calcium sulfate helps in improving the solubility of calcium salts in the electrolyte.      
  • As a surface modifier to enhance the performance of Ni-rich lithium nickel-cobalt-manganese oxide (NCM) cathode materials in lithium-ion batteries.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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