Synonyms
Zinc octadecanoate
Zinc distearate
Zn Stearate
Description
Stearates are mainly prepared by the reaction of stearic acid with the corresponding salts.
In pharmaceutical preparations, it is mainly used as lubricant for tablets and capsules, and its concentration can be up to 1.5%(w/w).
Molecular Weight
632.3 g/mol
Molecular Formula
[CH3(CH2)16COO]2Zn
SMILES
CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Zn+2]
Appearance
White, easy and non-abrasive white fine powder with a slippery feel on contact with the skin.
Flash Point
530 °F Open Cup
Vapour Pressure
0 mmHg (approx)
Note
Remarks: Different models can be customized according to different content of stearic acid (C19) to meet different requirements.
Environmentally friendly plastic additives/Pharmaceutical excipients