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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:
10101-41-4
Molecular Weight:
172.17
NACRES:
NA.21
PubChem Substance ID:
329749608
UNSPSC Code:
12352300
EC Number:
231-900-3
MDL number:
MFCD00149625
Assay:
99.0-101.0% (based on anhydrous substance)
Form:
powder

Key Documents

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Product Name

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

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

200

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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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Certificates of Analysis (COA)

Lot/Batch Number
BCCN7025
BCCM5628
BCCJ7490
BCCC9780
BCCB8705

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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)
Barbara Morasch
Environmental pollution (Barking, Essex : 1987), 173, 133-137 (2012-12-04)
Karst systems represent important yet vulnerable drinking water resources. A wide spectrum of pollutants may be released into karst groundwater from agriculture, livestock farming, private households, and industry. This work provides an overview on the occurrence and dynamics of micropollutants
Andrew G Park et al.
Journal of orthopaedic research : official publication of the Orthopaedic Research Society, 31(5), 776-782 (2012-12-15)
A significant number of lower extremity fractures result in mal-union necessitating effective treatments to restore ambulation. Prior research in diabetic animal fracture models demonstrated improved healing following local insulin application to the fracture site and indicated that local insulin therapy
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