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MX0075

Magnesium sulfate

Name: Magnesium sulfate
Brand: MM

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

Synonym(s):

Magnesium Sulfate, Anhydrous, Sulfuric Acid Magnesium Salt, Epsom salts

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About This Item

Empirical Formula (Hill Notation):

MgO₄S

CAS Number:

7487-88-9

Molecular Weight:

120.37

UNSPSC Code:

12352302

EC Index Number:

231-298-2

MDL number:

MFCD00011110

Assay:

≥98.0% (complexometric)

Form:

powder

Solubility:

300 g/L

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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

SMILES string

[Mg+2].[S](=O)(=O)([O-])[O-]

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

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Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c