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12056

Sigma-Aldrich

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:
10101-41-4
Molecular Weight:
172.17
EC Number:
231-900-3
MDL number:
MFCD00149625
UNSPSC Code:
12352300
PubChem Substance ID:
329749608
NACRES:
NA.21

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

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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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)
Aletta Hazeveld et al.
American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics, 145(1), 108-115 (2014-01-01)
Rapid prototyping is a fast-developing technique that might play a significant role in the eventual replacement of plaster dental models. The aim of this study was to investigate the accuracy and reproducibility of physical dental models reconstructed from digital data
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
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