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63138 Sigma

Magnesium sulfate heptahydrate

BioUltra, ≥99.5% (KT)

DOWNLOAD MSDS (PDF)

Synonym: Epsom salts

  • CAS Number 10034-99-8

  • Linear Formula MgSO4 · 7H2O

  • Molecular Weight 246.47

  •  EC Number 231-298-2

  •  MDL number MFCD00149785

  •  PubChem Substance ID 24882416

Magnesium sulfate heptahydrate BioUltra, ≥99.5% (KT)
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Properties

Related Categories Optimization Reagents, Protein Structural Analysis, Proteomics, X-Ray Crystallography
vapor density   <0.01 (vs air)
vapor pressure   <0.1 mmHg ( 20 °C)
product line   BioUltra
assay   ≥99.5% (KT)
impurities   insoluble matter, passes filter test
  ≤0.002% total nitrogen (N)
pH   5.0-8.0 (25 °C, 1 M in H2O)
solubility   H2O: soluble1 M at 20 °C, clear, colorless
anion traces   chloride (Cl-): ≤5 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤1 mg/kg
  K: ≤10 mg/kg
  Li: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Na: ≤10 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: 0.010
  λ: 280 nm Amax: 0.010
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Description

Other Notes

Component of Earle′s balanced salt solution1; Component of Hanks′ balanced salt solution2; Component of plant cell-culture media and of culture media for microorganisms.; Purification of CAP, catabolite gene activator3; In the preparation of spheroplasts from E. coli K384

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