Density2.36
Melting Point350 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 Ca1.50% max
Heavy Metals, as Pb20 ppm max
Bulk Density (untapped)HD7 - 0.40 - 0.65 g/cc
Magnesium Hydroxide as Mg(OH)295.0 - 100.5%
IdentificationPositive test for Magnesium
Microbial enumeration testPasses test
Loss on Ignition30.0 - 33.0% max
Loss on Drying2.00% max
Free Alkali2 ml
Soluble Salts2.00% max
Carbonatesto pass effervascence test
Lead as Pb1.5 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
Odorodorless
Molecular weight58.33
Colorwhite amorphous powder or colorless hexagonal crystal
Solubilitysoln. of ammonium salts and dilute acids