SODIUM SALTS OF FATTY ACIDS

Sodium salts of fatty acids are widely used in many industrial and commercial applications because of their excellent surfactant, emulsifying, cleansing, and foaming properties.
Sodium Salts of Fatty Acids are most commonly used in the manufacture of soaps, detergents, and cleaning products, where they help remove oils, grease, and dirt from surfaces and fabrics.
In personal care and cosmetic products, Sodium Salts of Fatty Acids are used in shampoos, facial cleansers, shaving creams, toothpaste, creams, lotions, and deodorants due to their ability to create foam and stabilize formulations.

CAS Number: There is no single CAS number for “sodium salts of fatty acids”.
Common representative components include:
Sodium stearate → CAS: 822-16-2
Sodium palmitate → CAS: 408-35-5
Sodium oleate → CAS: 143-19-1
Sodium laurate → CAS: 629-25-4

EC Number: There is no single EC number for the mixture.
Representative EC numbers:
Sodium stearate → EC: 212-490-5
Sodium palmitate → EC: 206-032-2
Sodium oleate → EC: 205-591-0
Sodium laurate → EC: 211-082-4

Molecular Formula: General structure: RCOONa
Where: R = long-chain alkyl group (C11–C17 typically)
COONa = sodium carboxylate group
Examples:
Sodium stearate: C₁₈H₃₅NaO₂
Sodium palmitate: C₁₆H₃₁NaO₂
Sodium oleate: C₁₈H₃₃NaO₂

Molecular Weight (MW): No single molecular weight exists (depends on fatty acid composition).
Representative values:
Sodium stearate: ~306.4 g/mol
Sodium palmitate: ~278.4 g/mol
Sodium oleate: ~304.4 g/mol
Sodium laurate: ~222.3 g/mol

Typical mixture range: ~220 – 330 g/mol (approx.)

SYNONYMS:
Sodium salts of fatty acids, fatty acid sodium salts, sodium carboxylates, soap salts, alkali metal fatty acid salts, sodium soaps, sodium alkanoates, sodium fatty acid soaps, sodium oleate, sodium stearate, sodium palmitate, sodium octadecanoate, oleic acid sodium salt, palmitic acid sodium salt, sodium hexadecanoate, octadecanoic acid sodium salt, sodium surfactants, fatty acid soaps, Fatty acids, C6-12, sodium salts, 67762-44-1, RefChem:16244, (C6-C12) Alkylcarboxylic acid sodium salt, 267-020-1, DTXSID9028332, EINECS 267-020-1, fatty acids sodium salts, fatty acids, sodium salts, hard soap, sodium compounds of fatty acids, sodium fatty acid soap, sodium soap

Sodium salts of fatty acids, also known as soap salts, are compounds formed by the reaction of fatty acids with sodium hydroxide.
Sodium Salts of Fatty Acids are typically derived from animal fats or vegetable oils and consist of various chain-length saturated or unsaturated fatty acids.
Sodium salts of fatty acids are organic sodium compounds produced by the neutralization of fatty acids with sodium hydroxide.

Sodium Salts of Fatty Acids are commonly known as soaps and surfactants.
Sodium Salts of Fatty Acids may originate from natural fats, vegetable oils, animal fats, tall oil, palm oil, coconut oil, or synthetic fatty acids.
Sodium Salts of Fatty Acids generally contain a long hydrocarbon chain attached to a carboxylate group bonded with sodium.

Because of their amphiphilic structure, Sodium Salts of Fatty Acids possess both hydrophilic and hydrophobic properties, allowing them to emulsify oils and disperse dirt in water.
Sodium salts of fatty acids are among the most important anionic surfactants used commercially.
Sodium Salts of Fatty Acids form when fatty acids react with sodium hydroxide during the soap-making process known as saponification.

The resulting compounds, Sodium Salts of Fatty Acids, exhibit cleansing, emulsifying, foaming, dispersing, wetting, and lubricating properties.
Depending on the original fatty acid source, different sodium salts can be produced, including sodium stearate, sodium oleate, sodium palmitate, sodium myristate, sodium laurate, and mixed fatty acid sodium salts.
Sodium Salts of Fatty Acids are biodegradable and are often preferred in environmentally friendly cleaning systems.

Sodium salts of fatty acids are among the oldest and most commercially important surfactants known.
Sodium Salts of Fatty Acids' molecular structure enables micelle formation, which is essential for detergency and emulsification.

Chain length and degree of unsaturation strongly influence their physical behavior, solubility, hardness, and foaming properties.
Mixed Sodium Salts of Fatty Acids are frequently marketed as UVCB substances (Unknown or Variable Composition, Complex Reaction Products, or Biological Materials) because their exact composition varies according to the source oils and manufacturing process.

USES and APPLICATIONS of SODIUM SALTS OF FATTY ACIDS:
In equine feed and supplement formulations, sodium salts of fatty acids may be used as emulsifiers, surfactants, or processing aids.
Sodium Salts of Fatty Acids' primary function is to improve the blending and dispersion of fat-soluble ingredients, particularly in pelleted or liquid products.
In some cases, Sodium Salts of Fatty Acids may also aid in moisture control or act as stabilizers.

Saturated Sodium Salts of Fatty Acids such as sodium stearate and sodium palmitate generally produce harder soaps with lower solubility, while unsaturated salts such as sodium oleate provide softer and more soluble formulations.
Sodium salts of fatty acids are widely used in many industrial and commercial applications because of their excellent surfactant, emulsifying, cleansing, and foaming properties.

Sodium Salts of Fatty Acids are most commonly used in the manufacture of soaps, detergents, and cleaning products, where they help remove oils, grease, and dirt from surfaces and fabrics.
In personal care and cosmetic products, Sodium Salts of Fatty Acids are used in shampoos, facial cleansers, shaving creams, toothpaste, creams, lotions, and deodorants due to their ability to create foam and stabilize formulations.
In the pharmaceutical industry, sodium salts of fatty acids are used as emulsifying agents, tablet lubricants, and stabilizers in ointments and medicinal formulations.

In the textile industry, Sodium Salts of Fatty Acids function as wetting agents, scouring agents, and lubricants during fiber and fabric processing.
Sodium Salts of Fatty Acids are also used in the rubber and polymer industries as emulsifiers and processing aids.
In metalworking and lubricant applications, Sodium Salts of Fatty Acids are used in grease formulations, corrosion inhibitors, and industrial cleaning systems.

In mining operations, Sodium Salts of Fatty Acids may serve as flotation agents for mineral separation processes.
Sodium Salts of Fatty Acids are additionally utilized in agricultural chemical formulations as emulsifiers and dispersing agents.
Because many sodium salts of fatty acids are biodegradable and derived from renewable raw materials such as vegetable oils and animal fats, they are often preferred in environmentally friendly and sustainable formulations.

Sodium salts of fatty acids have extremely broad industrial and commercial applications.
Soap and Detergent Industry: Sodium Salts of Fatty Acids are primary ingredients in: Bar soaps, Liquid soaps, Laundry detergents, Dishwashing formulations, Industrial cleaners, Household cleaning products.
Cosmetics and Personal Care: Sodium Salts of Fatty Acids are used in: Shampoos, Facial cleansers, Shaving creams, Toothpaste, Creams and lotions, Makeup formulations, Deodorants.

Pharmaceutical Industry: Sodium Salts of Fatty Acids are used as: Emulsifying agents, Tablet lubricants, Drug delivery stabilizers, Ointment components.
Food Industry: Some Sodium Salts of Fatty Acids are approved food additives and emulsifiers.
Textile Industry: Sodium Salts of Fatty Acids are used in: Wetting agents, Scouring agents, Lubrication systems, Fiber processing.
Mining Industry: Sodium Salts of Fatty Acids are used as flotation agents in mineral separation processes.

Rubber and Polymer Industry: Sodium Salts of Fatty Acids are applied as: Emulsifiers, Stabilizers, Processing aids.
Metalworking and Lubricants: Sodium Salts of Fatty Acids are used in: Grease formulations, Corrosion inhibitors, Metal cleaning systems.
Agriculture: Sodium Salts of Fatty Acids are used in: Pesticide formulations, Wetting agents, Emulsifiers.
Sodium Salts of Fatty Acids are widely used in detergents, cosmetics, pharmaceuticals, textile processing, flotation chemicals, lubricants, food additives, and industrial cleaning formulations.

CHARACTERISTICS of SODIUM SALTS OF FATTY ACIDS:
Sodium salts of fatty acids possess excellent cleansing ability due to their dual affinity for water and oils.
Sodium Salts of Fatty Acids' long hydrocarbon chain interacts with oils and grease, while the sodium carboxylate head interacts with water.
This structure allows effective soil removal and emulsification.
Sodium Salts of Fatty Acids are renewable-resource-based surfactants and are often derived from vegetable oils such as palm oil, coconut oil, sunflower oil, soybean oil, or tall oil.
Sodium Salts of Fatty Acids are widely recognized for biodegradability and relatively low toxicity.
Sodium Salts of Fatty Acids also function as thickeners, lubricants, stabilizers, dispersants, flotation agents, and emulsifiers in various industrial systems.

BENEFITS of SODIUM SALTS OF FATTY ACIDS:
Excellent cleansing efficiency
Strong emulsifying capability
High foaming performance
Biodegradable
Renewable raw material origin
Low environmental persistence
Good thickening properties
Effective dispersing agent
Good lubricity
Cost-effective surfactant system
Wide compatibility with industrial formulations
Mild toxicity profile in many applications

PHYSICAL and CHEMICAL PROPERTIES of SODIUM SALTS OF FATTY ACIDS:
Sodium Oleate
CAS No.: 143-19-1
EC No.: 205-591-0
Molecular Formula: C18H33NaO2
Molecular Weight: 304.44 g/mol
Sodium Stearate
CAS No.: 822-16-2
EC No.: 212-490-5
Molecular Formula: C18H35NaO2
Molecular Weight: 306.46 g/mol

Sodium Palmitate
CAS No.: 408-35-5
EC No.: 206-988-1
Molecular Formula: C16H31NaO2
Molecular Weight: 278.41 g/mol
Fatty acids, C14-18 and C16-18 unsaturated, sodium salts
CAS No.: 67701-11-5
EC No.: 266-935-3
Molecular Formula: Variable mixture
Molecular Weight: Variable

Fatty acids, tall-oil, sodium salts
CAS No.: 61790-45-2
EC No.: 263-137-7
Molecular Formula: UVCB mixture
Molecular Weight: Variable
CAS Number: There is no single CAS number for “sodium salts of fatty acids”.

Common representative components include:
Sodium stearate → CAS: 822-16-2
Sodium palmitate → CAS: 408-35-5
Sodium oleate → CAS: 143-19-1
Sodium laurate → CAS: 629-25-4

EC Number: There is no single EC number for the mixture.
Representative EC numbers:
Sodium stearate → EC: 212-490-5
Sodium palmitate → EC: 206-032-2
Sodium oleate → EC: 205-591-0
Sodium laurate → EC: 211-082-4

Molecular Formula: General structure: RCOONa
Where: R = long-chain alkyl group (C11–C17 typically)
COONa = sodium carboxylate group
Examples:
Sodium stearate: C₁₈H₃₅NaO₂
Sodium palmitate: C₁₆H₃₁NaO₂
Sodium oleate: C₁₈H₃₃NaO₂

Molecular Weight (MW): No single molecular weight exists (depends on fatty acid composition).
Representative values:
Sodium stearate: ~306.4 g/mol
Sodium palmitate: ~278.4 g/mol
Sodium oleate: ~304.4 g/mol
Sodium laurate: ~222.3 g/mol

Typical mixture range: ~220 – 330 g/mol (approx.)
Appearance: White, off-white, yellowish, or cream-colored powder, flakes, granules, paste, or solid
Sometimes waxy or soap-like texture
Mild fatty or tallow-like odor
Hygroscopic in some grades
Can form gels or viscous dispersions in water

Solubility: Soluble or partially soluble in water
Solubility increases with temperature
Soluble in hot alcohol
Poorly soluble in nonpolar solvents
Forms micelles in aqueous solution

Melting Point: Typically between 200°C and 300°C depending on fatty acid chain length
Sodium stearate: approximately 245–255°C
Sodium palmitate: approximately 283–290°C
Sodium oleate: approximately 232–235°C
Density: Usually around 0.9–1.1 g/cm³
pH: Alkaline in aqueous solution

Typical pH range: 8–11
Surface Activity: Excellent surfactant behavior
Reduces surface tension of water
Produces foam and emulsification
Foaming Characteristics: High foam formation
Good detergency and wetting action

Chemical Nature: Organic sodium salts of long-chain carboxylic acids
Amphiphilic compounds with polar and nonpolar regions
Stability: Stable under normal storage conditions
Stable at room temperature
Incompatible with strong oxidizing agents and strong acids
Reactivity: Reacts with strong acids to regenerate free fatty acids
Can precipitate in hard water due to calcium and magnesium soap formation
Under decomposition may release irritating fumes and smoke

Biodegradability: Readily biodegradable
Environmentally favorable compared with many synthetic surfactants
Emulsification: Excellent emulsifying and dispersing capability
Stabilizes oil-water mixtures
Detergency: Removes oils, grease, and dirt effectively
Functions through micelle formation
Corrosion Characteristics: Mildly alkaline
Can affect sensitive metals under prolonged exposure

FIRST AID MEASURES of SODIUM SALTS OF FATTY ACIDS:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation: 
Fresh air.
*In case of skin contact: 
Take off immediately all contaminated clothing. 
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact: 
Rinse out with plenty of water. 
Call in ophthalmologist. 
Remove contact lenses.
*If swallowed:
After swallowing: 
Immediately make victim drink water (two glasses at most). 
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available

ACCIDENTAL RELEASE MEASURES of SODIUM SALTS OF FATTY ACIDS:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains. 
Collect, bind, and pump off spills. 
Observe possible material restrictions. 
Take up dry. 
Dispose of properly. 
Clean up affected area.

FIRE FIGHTING MEASURES of SODIUM SALTS OF FATTY ACIDS:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2) 
Foam 
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of SODIUM SALTS OF FATTY ACIDS:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection. 
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A 
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of SODIUM SALTS OF FATTY ACIDS:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed. 
Dry.

STABILITY and REACTIVITY of SODIUM SALTS OF FATTY ACIDS:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available