M5921

Magnesium sulfate heptahydrate

BioXtra, ≥99.0%

• Synonym(s): Epsom salts
• Linear Formula: MgSO₄ · 7H₂O
• CAS Number: 10034-99-8
• Molecular Weight: 246.47
• EC Number: 231-298-2
• MDL number: MFCD00149785
• UNSPSC Code: 12161700
• eCl@ss: 38030409
• PubChem Substance ID: 24897057
• NACRES: NA.25

Properties

• vapor density: <0.01 (vs air)
• Quality Level: 200
• vapor pressure: <0.1 mmHg ( 20 °C)
• product line: BioXtra
• assay: ≥99.0%
• impurities: ≤0.0005% Phosphorus (P); ≤0.005% Insoluble matter
• solubility: H₂O: 1 M, clear, colorless
• cation traces: Al: ≤0.0005%; Ca: ≤0.01%; Cu: ≤0.0005%; Fe: ≤0.0005%; K: ≤0.005%; Mn: ≤0.0005%; NH₄⁺: ≤0.002%; Na: ≤0.005%; Pb: ≤0.0005%; Sr: ≤0.005%; Zn: ≤0.0005%
• 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

General description

Magnesium sulfate heptahydrate is hydroscopic and is vulnerable to warm temperatures.

Application

Magnesium sulfate heptahydrate has been used:

• as a component in Kreb′s Ringer buffer
• as a component in minimal medium to culture Ralstonia solanacearum
• in the preparation of maceration solution for Lamb′s lettuce cell isolation and isotonic glucose buffer

Biochem/physiol Actions

Magnesium sulfate heptahydrate is used as a source of magnesium in foliar application of fertilizers to plants.

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)