Product Identification
CAS
Chemical Formula
Synonym
23389-33-5 or 546-93-0
MgCO3
Carbonate magnesium, Hydromagnesite, Magnesium carbonate, Magnesium(II) carbonate, Magnesite.
Physical and Chemical Properties
Physical State
Odor
Molecular Weight
Color
Melting Point
Specific Gravity
Solubility
Solid. (Crystals solid.)
Odorless
84.3 g/mole
White.
Decomposition temperature: 662°C (1223.6°F)
2.958 (Water = 1)
Insoluble in cold water, hot water.Soluble in dilute acids with effervescence.Insoluble in alcohol. Imparts slight alkaline reaction to water.
Sales Specification
Appearance
Assay (MgSiF6-6H2O)
Fluoride (F)
Free Acid (H2SiF6)
Sulfates (SO4)
Water Insolubles
White crystalline granules
98.0% min
40.0% min
1.0% max
0.5% max
0.5% max
Transportation
Packing
Hazard Class
UN No.
25kgs in Bag
6.1
2853