Parteck® LUB STA 50 (Stearinsäure 50), EMPROVE® ESSENTIAL Ph. Eur., BP, JP, NF pflanzlicher Grad, SAFC®
Lieferant: Merck
Synonyme:
Octadecansäure
1.00661.0250EA
0
EUR
1.00661.0250
1.00661.9020
1.00661.0250S
Parteck® LUB STA 50 (Stearinsäure 50), EMPROVE® ESSENTIAL Ph. Eur., BP, JP, NF pflanzlicher Grad, SAFC®
Stearinsäure
Formel:
C₁₈H₃₆O₂ Molecular Weight: 284,48 g/mol Siedepunkt: 361 °C (1013 hPa) Schmelzpunkt: 67 °C Dichte: 0,94 g/cm³ (20 °C) Flammpunkt: 196 °C (geschlossener Tiegel) Lagertemperatur: Kühlschrank |
MDL:
MFCD00002752 CAS-Nummer: 57-11-4 EINECS: 200-313-4 Merck Index: 12,08959 |
Spezifikation Testergebnisse
Stearic acid (GC) | 40.0 - 60.0 % |
Assay (Stearic acid and palmitinic acid) (GC) | ≥ 90.0 % |
Identity | passes test |
Appearance of melt (Ph Eur, BP) | passes test |
Colour of solution (NF) | passes test |
Acidity (Ph Eur, NF, BP) | passes test |
Mineral acids (JP) | passes test |
Solidification point | 54 - 59 °C |
Heavy metals (as Pb) | ≤ 0.0010 % |
Ni (Nickel) | ≤ 1 ppm |
Residual solvents (Ph.Eur./USP/ICH) | excluded by production process |
Iodine number | ≤ 4.0 |
Acid value | 194 - 210 |
Neutral fats and mineral fats | passes test |
Sulfated ash | ≤ 0.10 % |
Particle Size (d10) | ≥ 5 µm |
Particle Size (d50) | about 35 |
Particle Size (d90) | ≤ 200 µm |
Specific surface area (BET) | 0.90 - 1.40 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) | conforms |
Escherichia coli (absent in 1 g) | conforms |
Pseudomonas aeruginosa (absent in 1 g) | conforms |
Staphylococcus aureus (absent in 1 g) | conforms |
Candida albicans (absent in 1 g) | conforms |
Salmonella ssp (absent in 10 g) | conforms |
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