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230391 Sigma-Aldrich

Magnesium sulfate heptahydrate

ACS reagent, ≥98%

Synonym: Epsom salts

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Properties

Related Categories Chemical Synthesis, Development Quantities for Research, Essential Chemicals, Inorganic Salts, Magnesium,
Quality Level   200
grade   ACS reagent
vapor density   <0.01 (vs air)
vapor pressure   <0.1 mmHg ( 20 °C)
assay   ≥98%
  98.0-102.0% (ACS specification)
form   crystals
impurities   ≤0.005% insolubles
pH   5.0-8.2 (25 °C, 5%)
anion traces   chloride (Cl-): ≤5 ppm
  nitrate (NO3-): ≤0.002%
cation traces   Ca: ≤0.02%
  Fe: ≤5 ppm
  K: ≤0.005%
  Mn: ≤5 ppm
  NH4+: ≤0.002%
  Na: ≤0.005%
  Sr: ≤0.005%
  heavy metals: ≤5 ppm (by ICP-OES)
SMILES string   O.O.O.O.O.O.O.[Mg++].[O-]S([O-])(=O)=O
InChI   1S/Mg.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2
InChI key   WRUGWIBCXHJTDG-UHFFFAOYSA-L

Description

Packaging

1, 2.5 kg in poly bottle

12 kg in fiber drum

5 kg in poly drum

25 kg in poly drum

25, 500 g in poly bottle

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
RTECS 
OM4508000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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