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71959 Sigma-Aldrich

Sodium sulfate

BioUltra, anhydrous, ≥99.0% (T)

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Properties

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Quality Level   100
grade   anhydrous
product line   BioUltra
assay   ≥99.0% (T)
form   powder or crystals
impurities   insoluble matter, passes filter test
  ≤0.0005% total nitrogen (N)
loss   ≤0.2% loss on ignition, 900 °C
pH   5.0-7.5 (25 °C, 1 M in H2O)
mp   884 °C (lit.)
solubility   H2O: 1 M at 20 °C, clear, colorless
density   2.68 g/mL at 25 °C (lit.)
anion traces   chloride (Cl-): ≤10 mg/kg
  phosphate (PO43-): ≤20 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤20 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤100 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤20 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
λ   1 M in H2O
UV absorption   λ: 260 nm Amax: 0.020
  λ: 280 nm Amax: 0.018
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

Personal Protective Equipment 
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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