Pharmaceutical Grade Magnesium Hydroxide HD ~ USP
Product Description
| Product | Pharmaceutical Grade Magnesium Hydroxide HD ~ USP |
| CAS | 1309-42-8 |
| Formula | Mg(OH)2 |
| Synonym | Brucite, Magnesia magma, Magnesium hydrate, Milk of magnesia, Magnesium hydroxide (Mg(OH)2), Magnesium hydroxide |
Typical Product Specifications
| Density | 2.36 |
| Melting Point | 350 c (dec.) |
| 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 |
| 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 |
| 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 | Vitamins - Nutritional Ingredients - Amino Acids, Active Pharmaceutical Ingredients (API) & Intermediates, Magnesium Compounds |
| Function | Antacid |
| Industry | Pharmaceutical |
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