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31221 Sigma-Aldrich

Calcium sulfate dihydrate

puriss. p.a., ACS reagent, ≥99%

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, C-D, Puriss p.a. ACS, Calcium Salts,
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

Description

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.

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
RTECS 
EW4150000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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