
Parteck® MST (Magnesium stearate), EMPROVE® ESSENTIAL Ph. Eur., BP, JP, NF, FCC vegetable grade, SAFC®
Supplier: MERCK PRODUCTION CHEMICALS
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About this item
CAS Number:557-04-0
:
Formula:C₃₆H₇₀MgO₄
MDL Number:MFCD00036391
:591.25 g/mol
Merck Index:13,05714
Melting Pt:130…140 °C
Density:1.03 g/cm³ (20 °C)
EINECS:209-150-3
:GHS07
Storage Temperature:Ambient
Specification Test Results
- Assay (Mg; calculated on dried substance):4.0 - 5.0 %
- Identity:passes test
- Palmitic- stearic acid components of fatty acids:≥ 95 %
- Stearic acid component of fatty acids:60 - 70 %
- Acidity or alkalinity:passes test
- Chloride (Cl):≤ 0.10 %
- Sulphate (SO₄):≤ 0.3 %
- Heavy metals (as Pb):≤ 0.0020 %
- Cd (Cadmium):≤ 0.0001 %
- Ni (Nickel):≤ 0.00050 %
- Pb (Lead):≤ 0.0005 %
- Residual solvents (Ph.Eur./USP/ICH):excluded by the production process
- Acid value:195 - 210
- Loss on Drying (105°C):≤ 4.0 %
- Particle Size (d10):≥ 1 µm
- Particle Size (d50):about 5
- Particle Size (d90):≤ 20 µm
- Specific surface area (BET):5 - 12 m²/g
- Microbiological purity (Total aerobic microbial count (TAMC)):≤ 1E+03 CFU/g
- Microbiological purity (Total yeast and mould count (TYMC)):≤ 1E+02 CFU/g
- Bile tolerant Gram negative Bacteria (absent in 1 g):passes test
- Escherichia coli (absent in 1 g):passes test
- Pseudomonas aeruginosa (absent in 1 g):passes test
- Staphylococcus aureus (absent in 1 g):passes test
- Candida albicans (absent in 1 g):passes test
- Salmonella ssp (absent in 10 g):passes test
Specification Test Results
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