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Merck
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Key Documents

255548

Sigma-Aldrich

硫酸钙 二水合物

ACS reagent, 98%

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About This Item

線性公式:
CaSO4 · 2H2O
CAS號碼:
分子量::
172.17
EC號碼:
MDL號碼:
分類程式碼代碼:
12352300
PubChem物質ID:
NACRES:
NB.24

等級

ACS reagent

品質等級

化驗

98%
98.0-102.0% (ACS specification)

形狀

powder

雜質

≤0.02% insol. dil. HCl

負離子痕跡

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

正離子痕跡

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

SMILES 字串

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 密鑰

PASHVRUKOFIRIK-UHFFFAOYSA-L

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一般說明

Calcium sulfate dihydrate, also known as gypsum, is a hydrated form of calcium sulfate. It is used as a thermal insulator because of its low thermal conductivity.

應用


  • The effect of casing and gypsum on the yield and psychoactive tryptamine content of Psilocybe cubensis (Earle) Singer.: This research investigates the impact of calcium sulfate dihydrate on the cultivation of Psilocybe cubensis mushrooms. The study highlights the role of gypsum in enhancing yield and the content of psychoactive compounds, which is important for pharmaceutical applications (Foster et al., 2024).

  • Gypsum-Related Impact on Antibiotic-Loaded Composite Based on Highly Porous Hydroxyapatite-Advantages and Disadvantages.: The study examines the effects of calcium sulfate dihydrate on antibiotic-loaded composites. These composites are crucial for bone regeneration and infection control, providing insights into the advantages and limitations of gypsum in medical applications (Zalewska et al., 2023).

  • Organic solvent-free synthesis of calcium sulfate hemihydrate at room temperature.: This paper presents an innovative method for synthesizing calcium sulfate hemihydrate using calcium sulfate dihydrate without organic solvents. The research contributes to greener synthesis methods and sustainable material production (Reigl et al., 2024).


儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


分析證明 (COA)

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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)
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
The crystallization of calcium sulfate dihydrate.
Smith BR and Sweett F.
Journal of Colloid and Interface Science, 37(3), 612-618 (1971)
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

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