Magnesium Sulphate

Magnesium Sulphate Monohydrate

White powder or 20 mesh mini granular magnesium sulphate monohydrate from the supplied product introduction.

Magnesium Sulphate Monohydrate

Specifications from supplied materials

Magnesium Sulphate Monohydrate

White powder or 20 mesh mini granular magnesium sulphate monohydrate from the supplied product introduction.

80-100 mesh white powder20 mesh mini granular
AppearanceWhite powder
Purity99% min
MgSO485% min
MgO28.3% min
Mg17% min; 16% option listed
pH (5% water solution)5-9
Fe0.0015% max
Cl0.01% max
Pb0.001% max
As0.002% max
S19
Water insoluble≤0.1%
CAS14168-73-1
HS Code2833210000
FormulaMgSO4·H2O

Verified documents

Third-party test reports

Original SGS reports supplied by the factory are available below.

PDFSGS

SGS Test Report - 20-25 Kieserite Monohydrate Granules

Tested sample: 20-25 monohydrate granules

Report no.
MCHQD2601199-01A
Issue date
2026-04-22
  • Total Mg 16.21%
  • Water-soluble Mg 12.79%
  • Lead <2 mg/kg
  • Mercury <1 mg/kg
  • Arsenic <2 mg/kg
  • Cadmium <1 mg/kg

Results apply only to the tested sample.

Download original PDF
PDFSGS

SGS Test Report - 25-26 Kieserite Monohydrate Granules

Tested sample: 25-26 monohydrate fertilizer granules

Report no.
MCHQD2600315-01C
Issue date
2026-04-02
  • Total Mg 15.68%
  • Water-soluble Mg 6.31%
  • Lead <0.0002%
  • Mercury <0.0001%
  • Arsenic <0.0002%
  • Cadmium <0.0001%

Results apply only to the tested sample.

Download original PDF

Source documents

Supplied product documents

Download the original product introduction or COA file.

Common applications

Applications

  • Fertilizer for magnesium and sulfur supply
  • Bath salts, exfoliants and skincare
  • Animal feed additives
  • Tanning, dyeing, papermaking, plastics, ceramics and fireproof materials

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