Weifang Qiangyuan Chemical Industry Co., Ltd.

Magnesium Carbonate

• Category :

  Inorganic chemicals

• Synonyms :

  Magnesite;Australian magnesite;Giobertite;Magnesite (Mg(CO3));Magnesite dust;Magnesium carbonate,light;carbonic acid, magnesium salt;carbonic acid, magnesium salt (1:1);magnesium basic carbonate;magnesium carbonate, basic;Magnesium(II) carbonate (1:1);C.I. 77713;Magnesium carbonate [USAN];Magnesium carbonate anhydrous;

• CAS NO :

  546-93-0

• EC NO :

  208-915-9

• Molecular Formula :

  MgCO₃

• Molecular Weight :

  84.31

• Main Specifications :

• InChI :

  InChI=1/CH2O3.Mg/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2

• Product description :

  1. General Description
  Molecular formula: xMgCO₃·yMg(OH)₂·zH₂O         4MgCO₃·Mg(OH)₂·4H₂O
  CAS No.: 39409-82-0 12125-28-9
  EC No.: 232-160-4

  2. Applications
  Food additives- Enrichment of Magnesium for various foods, Anti caking agent in the cooking salt/powdered drinks, Demolding agent in the manufacture of biscuits,Carbonate source in the soft drinks.
  Cosmetics-Rheological agent moisture stabilizer in manufacture of soap.
  Other industrial use.

  3. Specifications
  Standard: GB 25587-2010

  Appearance		White Powder
  Purity (MgO)		40-44%
  Acid Insoluble （ HCl ）		0.05% max.
  Calcium Oxide (CaO)		0.6% max.
  Solubility Salt		1% max.
  Chloride		700ppm max
  Sulfate		0.6%max
  Microbiology		C onform
  Arsenic （ As ）		3ppm max.
  Iron(Fe)		400ppm max.
  Lead(Pb)		2ppm max
  Mercury		1ppm max
  Bulk Density	Light	0.1-0.4
  	Heavy	0.5-0.7

  4. Packaging:
  Generally Magnesium Carbonate Basic is supplied in the following packaging:
  - 20/25kg moisture-proof PP bags with inner PE bags.

  5. Storage and Handling:
  Protect packagings from damage and keep them well closed. Store in a cool, well – ventilated, dry and shaded area. Avoid inhalation, ingestion and contact with eyes and skin.

• Molecular Structure :