Parteck® MST (Magnesium stearate), EMPROVE® ESSENTIAL Ph. Eur., BP, JP, NF, FCC vegetable grade, SAFC®

Supplier: MERCK PRODUCTION CHEMICALS
Ratings: (No Reviews)

Total Ratings: 0
Avg. Ratings: 0.0 out of 5

Synonyms: Stearic acid Magnesium(II) saltStearic acid magnesium saltMagnesium(II) Stearate

1.00663.9020EA 1550 GBP
1.00663.9020 MERP1.00663.9999 1.00663.0250
Parteck® MST (Magnesium stearate), EMPROVE® ESSENTIAL Ph. Eur., BP, JP, NF, FCC vegetable grade, SAFC®
Magnesium stearate

Residues of metal catalysts or metal reagents acc. to EMEA/CHMP/SWP/4446/2000 are not likely to be present.
Corresponds to Ph Eur, BP, JP, NF, FCC

Formula: C₃₆H₇₀MgO₄
MW: 591.25 g/mol
Melting Pt: 130…140 °C
Density: 1.03 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00036391
CAS Number: 557-04-0
EINECS: 209-150-3
Merck Index: 13,05714

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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

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