Parteck® LUB STA 50 (Stearinsyra 50), EMPROVE® ESSENTIAL Ph. Eur., BP, JP, NF vegetable grade, SAFC®

Leverantör: MERCK PRODUCTION CHEMICALS

Synonyms: Octadecanoic acid, Octadecylic acid

1.00661.9020 1.00661.0250
1.00661.9020EA 35925 SEK
1.00661.9020 1.00661.0250
Parteck® LUB STA 50 (Stearinsyra 50), EMPROVE® ESSENTIAL Ph. Eur., BP, JP, NF vegetable grade, SAFC®
Stearinsyra
Formel: C₁₈H₃₆O₂
MW: 284,48 g/mol
Kokpunkt: 361 °C (1013 hPa)
Smältpunkt: 67 °C
Densitet: 0,94 g/cm³ (20 °C)
Flampunkt: 196 °C (closed cup)
Storage Temperature: Kylskåp
MDL Number: MFCD00002752
CAS nummer: 57-11-4
EINECS: 200-313-4
Merck Index: 13,08882
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Specifikation testresultat

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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