Merck
CN

255548

Sigma-Aldrich

硫酸钙 二水合物

ACS reagent, 98%

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线性分子式:
CaSO4 · 2H2O
CAS号:
分子量:
172.17
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NB.24

等级

ACS reagent

质量水平

检测方案

98%
98.0-102.0% (ACS specification)

形式

powder

杂质

≤0.02% insol. dil. HCl

痕量阴离子

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

痕量阳离子

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

SMILES字符串

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 key

PASHVRUKOFIRIK-UHFFFAOYSA-L

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相关类别

一般描述

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.

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable


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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)
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)
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)

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