Methyl Sulfonyl Methane (MSM)
Pharmaceutical Grade (40-60Mesh)
CAS Number | 67-71-0 |
Molecular Formula | C2H6O2S |
Molecular Weight | 94.13 |
Molecular Structure |  |
Packing | 25kg/bag |
Storage | Store in cool and dry place keep away from strong light and heat. |
Excipient | Amorphous Silicon Dioxide, 0.08% by weight |
Items | Standard | Test Method | ||
Purity | > 99.90% | USP<621> | ||
DMSO Content | < 0.1% | USP<621> | ||
Appearance | White Crystalline | Visual | ||
Melting Point@760mmHg | 108.5-110.5℃ | USP<741> | ||
Bulk Density | > 0.65 g/ml | USP<616> | ||
Water Content | < 0.20% | USP<921la> | ||
Total Heavy Metals | < 3 ppm | USP<231> | ||
As | < 0.1 ppm | ICP-MS | ||
Cd | < 0.1 ppm | ICP-MS | ||
Hg | < 0.1 ppm | ICP-MS | ||
Pb | < 0.1 ppm | ICP-MS | ||
Residue on Ignition | < 0.20% | USP<281> | ||
Escherichia coli | Negative | USP<2022> | ||
Yeast/Mold | < 10 CFU/g | USP<2021> | ||
The Total Aerobic Microbial Count | < 10 CFU/g | USP<2021> | ||
Sieve Test | Through 20 mesh | 100% | USP<786> | |
Through 40 mesh | > 50% | |||
Through 60 mesh | < 15% | |||
Particle Size | 40-60 Mesh | |||
Standard | Q/AS-2003 | |||
