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) salt
, Stearic acid magnesium salt
, Magnesium(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 |
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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