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31481 Sigma-Aldrich

Sodium sulfate

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., anhydrous, ≥99.0%

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Essential Chemicals, Puriss p.a. ACS,
grade   ACS reagent
Agency/Method   reag. ISO
  reag. Ph. Eur.
grade   puriss. p.a.
assay   ≥99.0%
form   crystalline
impurities   ≤0.0005% heavy metals (by ICP-OES)
  ≤0.0005% total nitrogen (N)
  ≤0.01% in water insoluble matters
  ≤0.03% free alkali (as NaOH)
  ≤0.05% free acid (as H2SO4)
loss   ≤0.5% loss on ignition, 800 °C
pH   5.2-8.0 (20 °C, 5%)
mp   884 °C (lit.)
density   2.68 g/mL at 25 °C (lit.)
anion traces   chloride (Cl-): ≤10 mg/kg
  phosphate (PO43-): ≤10 mg/kg
cation traces   As: ≤1 mg/kg
  Ca: ≤20 mg/kg
  Fe: ≤5 mg/kg
  K: ≤100 mg/kg
  Mg: ≤25 mg/kg
suitability   complies for appearance of solution
storage temp.   2-8°C
SMILES string   [Na+].[Na+].[O-]S([O-])(=O)=O
InChI   1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
InChI key   PMZURENOXWZQFD-UHFFFAOYSA-L
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
RTECS 
WE1650000
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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