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Merck
CN

12056

Calcium sulfate dihydrate

puriss., meets analytical specification of NF, E 516, 99.0-101.0% (based on anhydrous substance)

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About This Item

Linear Formula:
CaSO4 · 2H2O
CAS Number:
Molecular Weight:
172.17
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
231-900-3
MDL number:
Assay:
99.0-101.0% (based on anhydrous substance)
Form:
powder
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InChI key

PASHVRUKOFIRIK-UHFFFAOYSA-L

InChI

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

SMILES string

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

grade

puriss.

assay

99.0-101.0% (based on anhydrous substance)

form

powder

quality

meets analytical specification of NF, E 516

impurities

residual solvents, in accordance, ≤0.001% heavy metals (as Pb)

loss

19.0-23.0% loss on drying, 250 °C

anion traces

chloride (Cl-): ≤100 mg/kg, fluoride (F-): ≤30 mg/kg

cation traces

As: ≤3 mg/kg, Fe: ≤50 mg/kg, Hg: ≤10 mg/kg, Pb: ≤5 mg/kg, Se: ≤30 mg/kg

Quality Level

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Related Categories

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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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)
Nathan Evaniew et al.
Orthopedics, 36(2), e216-e222 (2013-02-06)
Benign primary bone tumors are commonly treated with intralesional curettage with or without the use of surgical adjuvants. The reconstructive approach to the resulting contained bone defects is controversial, and clinical practice is varied. Synthetic bone substitutes may provide early
Eun Young Rha et al.
Plastic and reconstructive surgery, 133(1), 14-20 (2014-01-01)
The authors have developed a simple and intuitive method for measuring breast volume based on three-dimensional simulated images of magnetic resonance imaging scans to accurately estimate breast volume before breast reconstruction. The authors performed a retrospective review of the medical

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