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Pharmaceutical Magnesium Oxide Grade HA and HA5

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Product Description

PRODUCT

Pharmaceutical Magnesium Oxide Grade HA and HA5

CAS #

1309-48-4

SYNONYM

Magnesium Oxide; Magnesium oxide (MgO); Magnesium oxide (CI 77711)

FORMULA

MgO

Product Specifications

MAGNESIUM OXIDE AS MGO (IGNITED BASIS)

96.0 - 100.5%

IDENTIFICATION

positive test for Magnesium

LOSS ON IGNITION

10.0% max

FREE ALKALI

2 ml max

SOLUBLE SALTS

2% max

ACID INSOLUBLE SUBSTANCES

0.1% max

CALCIUM AS CA

1.10% max

HEAVY METALS, AS PB

20 ppm max

IRON AS FE

0.05% max

LEAD AS PB

0.5 ppm max

ARSENIC, AS AS

3 ppm max

CHLORIDE AS CL

0.1% max

SULPHATE AS SO4

0.75% max

BULK DENSITY (UNTAPPED)

HA5 - 0.30 - 0.65 gr/cc

BULK DENSITY (UNTAPPED)

HA - 0.40 - 0.60 gr/cc

PARTICLE SIZE: PASSES 325 MESH (WET SIEVE)

HA5 - 99.0% min

PARTICLE SIZE: PASSES 325 MESH (WET SIEVE)

HA - 75.0% min

MELTING POINT

2800 c

INSOLUBILITY

in alcohol

ODOR

wh. powd. or cryst., odorless

MOLECULAR WEIGHT

40.31

SOLUBILITY

dil. acids, ammonium salt solns.

BOILING POINT

3600 c

DENSITY

3.65-3.75

VERY SOLUBLE

in water

NOTES

For use in the manufacture of antacid preparations and mineral supplements, and in the production of pharmaceutical grade magnesium derivatives and for use as a food additive as an anti-caking, free flowing agent, color retention agent desiccant or PH modifier. HA and HA5 meet the requirements of U.S. Pharmacopoeia (32nd Edition) NF 27.

Use: ABSORBENT, BUFFERING, OPACIFYING

INDUSTRY

For more information call 1-800-282-3982 or email info@parchem.com!

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