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31221

Sigma-Aldrich

Calcium sulfate dihydrate

puriss. p.a., ACS reagent, ≥99%

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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:
57648516

grade

ACS reagent
puriss. p.a.

assay

≥99%

impurities

≤0.002% heavy metals (as Pb)
≤0.02% insoluble in HCl

anion traces

carbonate (CO32-): in accordance
chloride (Cl-): ≤20 mg/kg
chloride (Cl-): ≤50 mg/kg
nitrate (NO3-): ≤50 mg/kg
nitrate (NO3-): in accordance

cation traces

Fe: ≤10 mg/kg
K: ≤50 mg/kg
Mg: ≤200 mg/kg
Na: ≤200 mg/kg
Sr: ≤500 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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Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
SZBC2890
SZBC2890V
SZBA3290V
SZB93430
SZBA3290

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