Specifications

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