Pharmaceutical Grade Magnesium Hydroxide HD ~ USP
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Product Description
Product
Pharmaceutical Grade Magnesium Hydroxide HD ~ USP
CAS
1309-42-8
Formula
Mg(OH)2
Synonym
Magnesium hydroxide; Magnesium hydrate; Magnesium hydroxide (Mg(OH)2); Milk of magnesia; Brucite; Magnesia magma
Typical Product Specifications
Density
2.36
Melting Point
350 c (dec.)
Tapped Density (1000 taps)
HD12 - 1.01 - 1.25 g/cc
Calcium as Ca
1.50% max
Heavy Metals, as Pb
20 ppm max
Bulk Density (untapped)
HD7 - 0.40 - 0.65 g/cc
Magnesium Hydroxide as Mg(OH)2
95.0 - 100.5%
Identification
Positive test for Magnesium
Microbial enumeration test
Passes test
Loss on Ignition
30.0 - 33.0% max
Loss on Drying
2.00% max
Free Alkali
2 ml
Soluble Salts
2.00% max
Carbonates
to pass effervascence test
Lead as Pb
1.5 ppm max
Bulk Density (untapped)
HD5 - 0.25 - 0.55 g/cc
Bulk Density (untapped)
HD9 - 0.60 - 0.80 g/cc
Bulk Density (untapped)
HD12 - max 1.10 g/cc
Tapped Density (1000 taps)
HD5 - 0.40 - 0.60 g/cc
Tapped Density (1000 taps)
HD7 - 0.61 - 0.80 g/cc
Tapped Density (1000 taps)
HD9 - 0.81 - 1.00 g/cc
Particle Size: Passes 325 mesh (wet Sieve)
HD5 - 95.0% min
Particle Size: Passes 325 mesh (wet Sieve)
HD7 - 95.0% min
Particle Size: Passes 325 mesh (wet Sieve)
HD9 - 95.0% min
Particle Size: Passes 325 mesh (wet Sieve)
HD12 - 90.0% min
Odor
odorless
Molecular weight
58.33
Color
white amorphous powder or colorless hexagonal crystal
Solubility
soln. of ammonium salts and dilute acids
Notes
Spray-dried magnesium hydroxide powders for use in the manufacture of antacid preparations and mineral supplements. Different bulk densities offer a choice of compounding possibilities for tablet and powder dosage systems.
Meets the requirements of USP32-NF27
Use: ABSORBENT,
For more information on Magnesium Hydroxide CAS 1309-42-8:
Class
Magnesium Compounds , Active Pharmaceutical Ingredients (API) & Intermediates , Vitamins - Nutritional Ingredients - Amino Acids
Industry
Functions
Pharmaceutical Grade Magnesium Hydroxide HD ~ USP
Product Description
Product
Pharmaceutical Grade Magnesium Hydroxide HD ~ USP
CAS
1309-42-8
Formula
Mg(OH)2
Synonym
Magnesium hydroxide; Magnesium hydrate; Magnesium hydroxide (Mg(OH)2); Milk of magnesia; Brucite; Magnesia magma
Typical Product Specifications
Density
2.36
Melting Point
350 c (dec.)
Tapped Density (1000 taps)
HD12 - 1.01 - 1.25 g/cc
Calcium as Ca
1.50% max
Heavy Metals, as Pb
20 ppm max
Bulk Density (untapped)
HD7 - 0.40 - 0.65 g/cc
Magnesium Hydroxide as Mg(OH)2
95.0 - 100.5%
Identification
Positive test for Magnesium
Microbial enumeration test
Passes test
Loss on Ignition
30.0 - 33.0% max
Loss on Drying
2.00% max
Free Alkali
2 ml
Soluble Salts
2.00% max
Carbonates
to pass effervascence test
Lead as Pb
1.5 ppm max
Bulk Density (untapped)
HD5 - 0.25 - 0.55 g/cc
Bulk Density (untapped)
HD9 - 0.60 - 0.80 g/cc
Bulk Density (untapped)
HD12 - max 1.10 g/cc
Tapped Density (1000 taps)
HD5 - 0.40 - 0.60 g/cc
Tapped Density (1000 taps)
HD7 - 0.61 - 0.80 g/cc
Tapped Density (1000 taps)
HD9 - 0.81 - 1.00 g/cc
Particle Size: Passes 325 mesh (wet Sieve)
HD5 - 95.0% min
Particle Size: Passes 325 mesh (wet Sieve)
HD7 - 95.0% min
Particle Size: Passes 325 mesh (wet Sieve)
HD9 - 95.0% min
Particle Size: Passes 325 mesh (wet Sieve)
HD12 - 90.0% min
Odor
odorless
Molecular weight
58.33
Color
white amorphous powder or colorless hexagonal crystal
Solubility
soln. of ammonium salts and dilute acids
Notes
Spray-dried magnesium hydroxide powders for use in the manufacture of antacid preparations and mineral supplements. Different bulk densities offer a choice of compounding possibilities for tablet and powder dosage systems.
Meets the requirements of USP32-NF27
Use: ABSORBENT,
For more information on Magnesium Hydroxide CAS 1309-42-8:
Class
Magnesium Compounds , Active Pharmaceutical Ingredients (API) & Intermediates , Vitamins - Nutritional Ingredients - Amino Acids
Industry
Functions
