1.05886

Magnesium sulfate heptahydrate

for analysis EMSURE^® ACS,Reag. Ph Eur

• Synonym(s): bitter salt, epsom salt, sulfuric acid magnesium salt heptahydrate, Epsom salts
• Linear Formula: MgSO₄ · 7H₂O
• CAS Number: 10034-99-8
• Molecular Weight: 246.47
• MDL number: MFCD00149785
• UNSPSC Code: 12352302
• EC Index Number: 231-298-2
• NACRES: NA.21

Properties

• grade: ACS reagent
• Quality Level: 300
• Agency: reag. Ph. Eur.
• vapor density: <0.01 (vs air)
• vapor pressure: <0.1 mmHg ( 20 °C)
• product line: EMSURE^®
• Assay: ≥99.5% (complexometric); 99.0-100.5% dry basis (complexometric)
• form: solid
• impurities: ≤0.005% Insoluble matter
• loss: 48.0-52.0% loss on drying, 400 °C
• pH: 5.0-8.0 (25 °C, 50 g/L in H₂O)
• solubility: 710 g/L
• density: 1.68 g/cm³ at 20 °C
• bulk density: 900 kg/m³
• anion traces: chloride (Cl^-): ≤0.0003%; nitrate (NO₃^-): ≤0.002%
• cation traces: As: ≤0.0002%; Ca: ≤0.005%; Cu: ≤0.0001%; Fe: ≤0.0001%; K: ≤0.001%; Mn: ≤0.0005%; N: ≤0.002%; NH₄⁺: ≤0.002%; Na: ≤0.001%; Pb: ≤0.0001%; Sr: ≤0.005%; heavy metals: ≤0.0005%
• storage temp.: 2-30°C
• 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

Application

• Bioflocculant produced by Bacillus velezensis and its potential application in brewery wastewater treatment.: This research explores the application of a bioflocculant produced by Bacillus velezensis, with magnesium sulfate heptahydrate as a potential flocculating agent in brewery wastewater treatment. The study highlights the efficacy of magnesium sulfate heptahydrate in enhancing flocculant performance, offering a cost-effective and eco-friendly solution for wastewater management in the beverage industry (Agunbiade et al., 2022).

Analysis Note

Assay (complexometric): ≥ 99.5 %
Assay (complexometric; calculated on dried substance): 99.0 - 100.5 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.005 %
Acidity or alkalinity: passes test
pH-value (5 %; water; 25 °C): 5.0 - 8.0
Chloride (Cl): ≤ 0.0003 %
Total nitrogen (N): ≤ 0.002 %
Nitrate (NO₃): ≤ 0.002 %
Heavy metals (ACS): ≤ 0.0005 %
As (Arsenic): ≤ 0.0002 %
Ca (Calcium): ≤ 0.005 %
Cu (Copper): ≤ 0.0001 %
Fe (Iron): ≤ 0.0001 %
K (Potassium): ≤ 0.001 %
Mn (Manganese): ≤ 0.0005 %
Na (Sodium): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.002 %
Pb (Lead): ≤ 0.0001 %
Sr (Strontium): ≤ 0.005 %
Loss on drying (400 °C): 48.0 - 52.0 %
Corresponds to ACS, Reag. Ph Eur

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable