Sodium Stearate

C₁₈H₃₅NaO₂

IUPAC: Sodium octadecanoate

CAS: 822-16-2

Übersicht

Sodium stearate is the most common soap, formed by the saponification of fats with sodium hydroxide. It has a hydrophilic (water-loving) carboxylate head and a hydrophobic (water-repelling) hydrocarbon tail, allowing it to emulsify grease and dirt in water.

Zusammensetzung

Element Symbol Atome Atommasse
Hydrogen H 35 1,0080
Carbon C 18 12,0110
Oxygen O 2 15,9990
Sodium Na 1 22,9900

Elementare Zusammensetzung

H
Hydrogen ×35
11,5%
C
Carbon ×18
70,5%
O
Oxygen ×2
10,4%
Na
Sodium ×1
7,5%

Verwendung

  • • Bar soap production
  • • Cosmetics emulsifier
  • • Rubber processing
  • • Pharmaceutical lubricant

Wissenswertes

  • ✦ The oldest known soap recipe is from Babylon, around 2800 BCE

Sicherheit

  • ⚠ May dry skin with excessive use
  • ⚠ Generally safe

Structure

SMILES

CCCCCCCCCCCCCCCCCC(=O)[O-].[Na+]

Eigenschaften

Typ
salt
Zustand
solid
Molmasse
306,47 g/mol
Dichte
1,0200 g/cm³
Schmelzpunkt
245,0 °C
Löslichkeit
slightly soluble

Molecular Descriptors

Exact Mass
306,2535
TPSA
40,1 Ų
H-Bond Donors
0
H-Bond Acceptors
2
Rotatable Bonds
16
Heavy Atoms
21
Complexity
207,0

Auch bekannt als

Soap

Verwandte Verbindungen

Diammonium Phosphate

(NH₄)₂HPO₄

Ammonium Chloride

NH₄Cl

Barium Chloride

BaCl₂

Cadmium Sulfide

CdS

Calcium Sulfate

CaSO₄

Cerium(III) Chloride

CeCl₃

Copper(II) Sulfide

CuS

Ammonium Sulfate

(NH₄)₂SO₄

Ammonium Bicarbonate

NH₄HCO₃

Calcium Propionate

Ca(C₂H₅COO)₂

Frequently Asked Questions

What is Sodium Stearate?
Sodium Stearate (C₁₈H₃₅NaO₂) is a salt compound with the IUPAC name Sodium octadecanoate.
What is the molecular weight of Sodium Stearate?
Sodium Stearate has a molar mass of 306.466 g/mol.
What state is Sodium Stearate at room temperature?
Sodium Stearate is a solid at room temperature.
Is Sodium Stearate organic or inorganic?
Sodium Stearate is classified as an inorganic compound.
What elements make up Sodium Stearate?
Sodium Stearate (C₁₈H₃₅NaO₂) is composed of Hydrogen (H), Carbon (C), Oxygen (O), Sodium (Na).