Parteck® LUB STA 50 (Stearinsäure 50), EMPROVE® ESSENTIAL Ph. Eur., BP, JP, NF pflanzlicher Grad, SAFC®
Lieferant: MERCK PRODUCTION CHEMICALS
Synonyms:
Octadecansäure
1.00661.0250EA
292
CHF
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 MW: 284,48 g/mol Siedepunkt: 361 °C (1013 hPa) Melting Pt: 67 °C Dichte: 0,94 g/cm³ (20 °C) Flash-Pt: 196 °C (geschlossener Tiegel) Lager Temperatur: Kühlschrank |
MDL Number:
MFCD00002752 CAS-Nummer: 57-11-4 EINECS: 200-313-4 Merck Index: 13,08882 |
|
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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