Magnesium sulfate heptahydrate
SIGMA/63138 - BioUltra, ≥99.5% (KT)
Synonym: Epsom salts
CAS Number: 10034-99-8
Empirical Formula (Hill Notation): MgO4S · 7H2O
Molecular Weight: 246.47
EC Number: 231-298-2
MDL Number: MFCD00149785
Linear Formula: MgSO4 · 7H2O
Product Type: Chemical
λ | 1 M in H2O |
anion traces | chloride (Cl-): ≤5 mg/kg |
assay | ≥99.5% (KT) |
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 | |
impurities | insoluble matter, passes filter test |
≤0.002% total nitrogen (N) | |
InChI | 1S/Mg.H2O4S.7H2O/c;1-5(2, |
InChI key | WRUGWIBCXHJTDG-UHFFFAOYSA |
pH | 5.0-8.0 (25 °C, 1 M in H2O) |
product line | BioUltra |
Quality Level | 200 |
SMILES string | O.O.O.O.O.O.O.[Mg++].[O-] |
solubility | H2O: 1 M at 20 °C, clear, colorless |
UV absorption | λ: 260 nm Amax: 0.010 |
λ: 280 nm Amax: 0.010 | |
vapor density | <0.01 (vs air) |
vapor pressure | <0.1 mmHg ( 20 °C) |
Application: |
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Other Notes: | Component of Earle′s balanced salt solution; Component of Hanks′ balanced salt solution; Component of plant cell-culture media and of culture media for microorganisms.; Purification of CAP, catabolite gene activator; In the preparation of spheroplasts from E. coli K38 |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | ≥99.5% (KT) |
UNSPSC | 12352302 |