Parteck® LUB STA 50 (kwas stearynowy 50), EMPROVE® ESSENTIAL NF, JP, Ph. Eur., BP vegetable grade, SAFC®
Dostawca: MERCK PRODUCTION CHEMICALS
Synonim:
Octadecanoic acid, Octadecylic acid
1.00661.9020
1.00661.0250
1.00661.9020EA
0
PLN
1.00661.9020
1.00661.0250
Parteck® LUB STA 50 (kwas stearynowy 50), EMPROVE® ESSENTIAL NF, JP, Ph. Eur., BP vegetable grade, SAFC®
kwas stearynowy
Formuła:
C₁₈H₃₆O₂ MW: 284.48 g/mol Temp. Wrzenia: 361 Temp. topnienia: 67 Gęstość: 0.94 g/cm³ (20 °C) Temp. Zapłonu: 196 °C (zamknięty kubek) Temperatura przechowywania: Lodówka |
Numer MDL:
MFCD00002752 Numer CAS: 57-11-4 Numer WE (dawny EINECS): 200-313-4 Klasyfikacja Merck : 13,08882 |
|
Wyniki testów specyfikacyjnych
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 |
Learn more

About VWR
Avantor is a vertically integrated, global supplier of discovery-to-delivery solutions for...