255548

Sigma-Aldrich

Calcium sulfate dihydrate

ACS reagent, 98%

Linear Formula:
CaSO4 · 2H2O
CAS Number:
Molecular Weight:
172.17
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NB.24

Quality Level

grade

ACS reagent

assay

98%
98.0-102.0% (ACS specification)

form

powder

impurities

≤0.02% insol. dil. HCl

anion traces

carbonate (CO32-): passes test
chloride (Cl-): ≤0.005%
nitrate (NO3-): ≤0.005%

cation traces

Fe: ≤0.001%
K: ≤0.005%
Mg: ≤0.02%
Na: ≤0.02%
Sr: ≤0.05%
heavy metals: ≤0.002% (by ICP-OES)

SMILES string

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

InChI

1S/Ca.H2O4S.2H2O/c;1-5(2,3)4;;/h;(H2,1,2,3,4);2*1H2/q+2;;;/p-2

InChI key

PASHVRUKOFIRIK-UHFFFAOYSA-L

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Related Categories

RIDADR

NONH for all modes of transport

WGK Germany

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Bram M Borkent et al.
The Journal of the Acoustical Society of America, 121(3), 1406-1412 (2007-04-06)
The study of cavitation inception in liquids rarely yields reproducible data, unless special control is taken on the cleanliness of the experimental environment. In this paper, an experimental technique is demonstrated which allows repeatable measurements of cavitation activity in liquid-particle...
Crystallization of calcium sulfate dihydrate in the presence of some metal ions.
Hamdona SK and Al Hadad UA.
Journal of Crystal Growth, 299(1), 146-151 (2007)
Calcium sulfate dihydrate (gypsum) scale formation on heat exchanger surfaces: The influence of scale inhibitors.
Amjad Z.
Journal of Colloid and Interface Science, 123(2), 523-536 (1988)
K N Lewis et al.
Journal of materials science. Materials in medicine, 17(6), 531-537 (2006-05-13)
Calcium sulfate (CS) is one of the oldest bone graft materials still in use. Its main limitations are poor handling characteristics, poor mechanical properties, and a resorption rate that is too fast for some applications. The present study investigated the...
The crystallization of calcium sulfate dihydrate.
Smith BR and Sweett F.
Journal of Colloid and Interface Science, 37(3), 612-618 (1971)

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