Magnesium Carbonate can be used as a food additive and pharmaceutical.

Chemical Data

Chemical Formula

MgCO₃ ·H₂O

CAS Number

13717-00-5

Molecular Weight

84

Use

Alkalizers,
Drying Agent,
Colour Fixatives,
Anticaking Agent,
Bulking Agents,
Acidity Regulators

Description

Fine white powder, clean odorless

Containers

25 kg / 50 lb. box/bag/drums; 500 kilogram bag

Storage

Store in a clean, dry warehouse in the original unopened containers

Chemical Specifications

USP/FCC Powder
Code50201

Assay (as MgO)

40.0-43.5%

Acid Insoluble

0.05% max

Calcium Oxide

0.6% max

Heavy Metal(as Pb)

0.002% max

Lead

0.001% max

Soluble salt

0.2% max

Ignition Loss

53.0-56.0%

Soluble Matter In Water

1.3% max

Insoluble Matter In HCl

0.10% max

Ferric Oxide And Alumina

0.10% mac

Bulk density (Loose)

0.19-0.25g/cc

Particle Size

According to Customer Requirements

Microbial limits
Total Plate Count               NMT 1000cfu/g      E. Coli                                  Negative
Total Molds And Yeasts    NMT 300cfu/g        Salmonella                         Negative
Total Coliform Count         NMT 10cfu/g          Staphylococcus Aureus    Negative