Sodium Stearate

C₁₈H₃₅NaO₂

IUPAC: Sodium octadecanoate

CAS: 822-16-2

Ikhtisar

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.

Komposisi

Unsur	Simbol	Atom	Massa Atom
Hydrogen	H	35	1,0080
Carbon	C	18	12,0110
Oxygen	O	2	15,9990
Sodium	Na	1	22,9900

Komposisi Elemental

Hydrogen ×35

11,5%

Carbon ×18

70,5%

Oxygen ×2

10,4%

Sodium ×1

7,5%

Kegunaan

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

Fakta Menarik

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

Keselamatan

⚠ May dry skin with excessive use
⚠ Generally safe

Structure

SMILES

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

Sifat

Jenis: salt
Keadaan: solid
Massa Molar: 306,47 g/mol
Kerapatan: 1,0200 g/cm³
Titik Lebur: 245,0 °C
Kelarutan: slightly soluble

Molecular Descriptors

Exact Mass: 306,2535
TPSA: 40,1 Å²
H-Bond Donors: 0
H-Bond Acceptors: 2
Rotatable Bonds: 16
Heavy Atoms: 21
Complexity: 207,0

Juga Dikenal Sebagai

Soap

Senyawa Terkait

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).