Acido stearico 70, EssentQ®

- Synonyms: Octadecanoic acid
- C18H36O2
- M = 284,47 g/mol
- CAS [57-11-4]
- EINECS-No.: 200-313-4
- Solub. in water: (20 ºC): insoluble
- Melting point: 67 ºC
- Boiling point: (19,95 hPa) 232 ºC
- Flash pt. 196 ºC
- Ignition temp.: 395 ºC
- Vapour pressure: (148 ºC) 0,13 hPa
- Tariff number: 2915 70 50 00
- Applications: laboratory reagent, synthesis of organic products, in the pharmaceutics industry, cosmetics.

SPECIFICATIONS
total content (palmitic + stearic acid, G.C., as methyl ester): min. 90 %
identity (IR-spectrum): passes test
appearance: passes test
freezing point: 57 - 64 º C
acidity: passes test
palmitic acid (G.C.) : max. 30 %
stearic acid (G.C.) : min. 70 %
acidity index: 194 - 212
iodine index: max. 4
heavy metals (as Pb): max. 0,001 %
nickel (Ni): max. 0,0001 %
mineral acid : passes test
neutral fat or paraffin: passes test
residue on ignition: max. 0,1 %