MX0075

Magnesium sulfate

anhydrous powder Meets Reagent Specifications for testing USP/NF monographs GR

• Synonym(s): Magnesium Sulfate, Anhydrous, Sulfuric Acid Magnesium Salt, Epsom salts
• Empirical Formula (Hill Notation): MgO₄S
• CAS Number: 7487-88-9
• Molecular Weight: 120.37
• MDL number: MFCD00011110
• UNSPSC Code: 12352302
• EC Index Number: 231-298-2

Properties

• Quality Level: 200
• assay: ≥98.0% (complexometric)
• form: powder
• loss: ≤2% loss on ignition
• color: white
• pH: 7.9 (25 °C, 50 g/L in H₂O)
• mp: 1124 °C (Lit.)
• solubility: 300 g/L
• anion traces: chloride (Cl^-): ≤0.001%; nitrate (NO₃^-): ≤0.005%
• cation traces: As: ≤0.001%; Ca: ≤0.04%; Fe: ≤0.001%; Mn: ≤0.001%; NH₄⁺: ≤0.005%; heavy metals (as Pb): ≤0.001%
• shipped in: ambient
• storage temp.: room temp
• InChI: 1S/Mg.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
• InChI key: CSNNHWWHGAXBCP-UHFFFAOYSA-L

Description

Application

• Determination of pesticide residues in soybeans using QuEChERS followed by deep eutectic solvent-based DLLME preconcentration prior to gas chromatography-mass spectrometry analysis.: This study highlights a novel application of magnesium sulfate in pesticide residue analysis, employing it within the QuEChERS method to enhance preconcentration and detection capabilities in agricultural chemistry (Petrarca et al., 2024).

Analysis Note

Ammonium (NH4): 0.005% max
Arsenic (As): 0.001% max
Assay (complexometric): 98.0% min
Calcium (Ca): 0.04% max
Chloride (Cl): 0.001% max
Color: White
Form: Powder
Heavy metals (as Pb): 0.001% max
Iron (Fe): 0.001% max
Loss on ignition: 2.0% max
Manganese (Mn): 0.001% max
Nitrate (NO3): 0.005% max

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable