CHEMBORG Fertilizers & Chemicalsكيم برج للأسمدة والكيماويات
TECHNICAL DATA SHEETنشرة فنية للمنتج

Basic Magnesium Carbonate

Light

Chemical formula
4MgCO₃·Mg(OH)₂·4H₂O
CAS No.
39409-82-0
HS Code
2836.99
Appearance
Light white powder

A lightweight, high-purity white powder with a large surface area and excellent absorption and anti-caking properties. Used as a filler and reinforcing agent in rubber and paints, as a magnesium source in fertilizers and feeds, and in pharmaceutical and food applications once the required grade has been confirmed.

Magnesium oxide MgO40 – 43.5 %
Calcium oxide CaO≤ 0.5 %
Bulk density≤ 0.15 g/cm³

Specifications

ParameterUnitSpecification
MgO%40.0 – 43.5
CaO%≤ 0.50
Iron (Fe)%≤ 0.02
Chloride (Cl)%≤ 0.10
Sulphate (SO₄)%≤ 0.15
Acid Insolubles%≤ 0.10
Loss on Ignition%54.0 – 58.0
Moisture%≤ 2.0
Whiteness%≥ 95
Residue on 200 mesh%≤ 0.1
Bulk Densityg/cm³≤ 0.15

Applications

  • Filler and reinforcing agent for rubber and plastics
  • Paints, inks and paper
  • Magnesium source for fertilizers and feeds
  • Anti-caking agent and manufacture of magnesium salts

Packaging & Storage

  • Multi-wall lined paper bags of 20 / 25 kg
  • Store in a dry place away from acids and moisture
  • Shelf life: 24 months in the original sealed packaging

Safety: Not classified as hazardous under GHS; non-flammable. Reacts with acids releasing carbon dioxide. Wearing a dust mask is recommended to avoid dust. A Safety Data Sheet (SDS) and a Certificate of Analysis (COA) for every batch are available on request.