Magnesium Oxide DC USP
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Product Description
Product
Magnesium Oxide DC USP
CAS
1309-48-4
Formula
MgO
Synonym
Typical Product Specifications
Boiling Point
3600 c
Density
3.65-3.75
Very Soluble
in water
particle size - 60 mesh
No less than 90% retain (seive analysis)
Arsenic
No more than 1 ppm
Description
Heavy, white, odorless granules
Solubility
Practically insoluble in water, dissolves in dilute acids with at most slight effervesence
Loss on Ignition
Not more than 10 % (w/w)
Free Alkali & Soluble Salts
No more than 2%
Acid insoluble substances
No more than 0.1%
Heavy Metals
No more than 20 ppm
Calcium
No more than 1.1% [w/w]
Assay
No less than 96.0 % & No more than 100.5% of MgO [Ignited Substance]
Microbial test - TFC
No more than 100 CFU/g
Pathogens
Absent
Particle size - 30 mesh
100% pass (seive analysis)
Bulk Density
15 grams occupies a volume of 15 ml
Identification
By reaction of Magnesium
Microbial test - TBC
No more than 1000 CFU/g
Iron
No more than 500 ppm
Insolubility
in alcohol
Odor
wh. powd. or cryst., odorless
Melting Point
2800 c
Molecular weight
40.31
Notes
Use: ABSORBENT, BUFFERING, OPACIFYING
Class
Industry
Functions
Magnesium Oxide DC USP
Product Description
Product
Magnesium Oxide DC USP
CAS
1309-48-4
Formula
MgO
Synonym
Typical Product Specifications
Boiling Point
3600 c
Density
3.65-3.75
Very Soluble
in water
particle size - 60 mesh
No less than 90% retain (seive analysis)
Arsenic
No more than 1 ppm
Description
Heavy, white, odorless granules
Solubility
Practically insoluble in water, dissolves in dilute acids with at most slight effervesence
Loss on Ignition
Not more than 10 % (w/w)
Free Alkali & Soluble Salts
No more than 2%
Acid insoluble substances
No more than 0.1%
Heavy Metals
No more than 20 ppm
Calcium
No more than 1.1% [w/w]
Assay
No less than 96.0 % & No more than 100.5% of MgO [Ignited Substance]
Microbial test - TFC
No more than 100 CFU/g
Pathogens
Absent
Particle size - 30 mesh
100% pass (seive analysis)
Bulk Density
15 grams occupies a volume of 15 ml
Identification
By reaction of Magnesium
Microbial test - TBC
No more than 1000 CFU/g
Iron
No more than 500 ppm
Insolubility
in alcohol
Odor
wh. powd. or cryst., odorless
Melting Point
2800 c
Molecular weight
40.31
Notes
Use: ABSORBENT, BUFFERING, OPACIFYING
Class
Industry
Functions
