Product Name
Sodium Stearate
Category
Soaps of Fatty Acids
Description
Vegetable-based aqueous thickener and gelling agent, emulsifying agent (o/w), and cleansing agent. Consists primarily of the sodium salts of saturated C16 & C18 fatty acids. Particle size (thru 100 mesh) approx. 0.4 micrometers.
Synonyms
Stearic acid, sodium salt
IUPAC Name
Sodium;octadecanoate
Molecular Formula
C18H35NaO2
Canonical SMILES
CCCCCCCCCCCCCCCCCC(=O)[O-].[Na+]
InChI
RYYKJJJTJZKILX-UHFFFAOYSA-M
InChI Key
InChI=1S/C18H36O2.Na/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2-17H2,1H3,(H,19,20);/q;+1/p-1
Solubility
Soluble in hot water, alcohol and esters
Appearance
Off-white powder
Application
Stick cosmetics (e.g. deodorants), color cosmetics, soaps, creams, lotions, sunscreens, after sun care products.
Storage
Store in a closed container at a dry place at room temperature
Sodium Derivative of
Stearate
Stability
Stable. Incompatible with strong oxidizing agents.
Uses
Add powder to the hot water phase (approx. 80oC / 176oF) and stir until homogeneous. Typical use level 0.5-20% (deodorant sticks 4 - 8%, bar soaps 5 - 20%, co-emulsifiers <1%) . For external use only.