Sodium stearate

CAS 822-16-2CH3(CH2)16COONaChemical Synthesis

Sodium stearate (CAS 822-16-2) is the sodium salt of stearic acid, with the linear formula CH3(CH2)16COONa and a molecular weight of 306.46 g/mol. This organic compound functions as a surfactant and emulsifier. It is primarily utilised in chemical synthesis and as a component in various industrial formulations, contributing to its diverse applications in manufacturing processes. Available in Japan, it meets a high purity standard for research and industrial use.

IUPAC: Octadecanoic acid sodium salt,Stearic acid sodium salt
Synonyms: Octadecanoic acid sodium saltStearic acid sodium salt

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Sodium stearate (CH3(CH2)16COONa) — chemical structure, CAS 822-16-2; Chemistry, fine chemical supplied by Tech Serve Solutions

Biochemicals and ReagentsBuilding BlocksCarbonyl CompoundsCarboxylic Acid SaltsChemical SynthesisFatty Acids and conjugatesFatty AcylsLipidsOrganic Building Blocks

01 /Applications

Surfactant and Emulsifier

Sodium stearate acts as an effective surfactant, reducing surface tension in liquids. This property makes it valuable as an emulsifier, helping to stabilise mixtures of oil and water in various industrial applications.

Chemical Synthesis

As a readily available carboxylic acid salt, sodium stearate serves as a useful building block in organic synthesis. It can be employed in reactions requiring a source of the stearate anion or for creating more complex molecules.

Industrial Formulations

Its properties lend themselves to inclusion in a wide array of industrial products. It contributes to the texture and stability of formulations where emulsification and surface activity are required.

02 /Properties

Molecular weight	306.46
Linear formula	CH3(CH2)16COONa
Assay	≥96.0%
Grade	SAJ first grade
Loss on drying	≤2.5% loss on drying, 105 °C
Storage temperature	2-8°C
Impurities tested	≤0.2% free alkali (as NaOH)≤8% Na

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	1

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

822-16-2

Beilstein registry

3576813

05 /Additional specifications

Availability	available only in Japan

06 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

07 /Frequently asked questions

What is Sodium Stearate used for?

Sodium stearate is primarily used as a surfactant and emulsifier in various industrial formulations and as a building block in chemical synthesis.

What is the CAS number and formula for Sodium Stearate?

The CAS number for Sodium Stearate is 822-16-2, and its linear formula is CH3(CH2)16COONa.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Sodium Stearate in SAJ first grade with an assay of ≥96.0%. We do not represent this product as USP, BP, or EP grade.

How should Sodium Stearate be handled safely?

When handling Sodium Stearate, wear appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The material has a WGK rating of 1 in Germany.

How is Sodium Stearate shipped and exported?

Tech Serve Solutions is a global supplier and exporter of fine chemicals. Specific shipping and export details for Sodium Stearate can be provided upon request, noting its current availability is limited to Japan.