What is Lithium Stearate and how is it identified?

Lithium stearate is the lithium salt of stearic acid with CAS 4485-12-5, EINECS 224-772-5, molecular formula C₁₈H₃₅LiO₂ and molecular weight about 290.41. It is an organolithium metal soap that is normally supplied as a white crystalline powder.

Which specifications should be confirmed when purchasing Lithium Stearate?

Confirm lithium content, free fatty acid, moisture, melting range, particle size and color. Because lithium stearate is a metal soap, the lithium content and particle-size distribution can affect grease thickening, lubricant performance and polymer processing.

Why is lithium content important for Lithium Stearate?

The lithium content reflects the completeness of the stearate soap structure and affects the dropping point, thickening efficiency and water resistance of lithium greases. A low or irregular lithium content can change the consistency and high-temperature performance of the finished lubricant.

How should Lithium Stearate be stored and handled?

Store lithium stearate in tightly closed containers in a cool, dry, ventilated area away from strong acids, oxidizers and moisture. Use dust controls and appropriate chemical-resistant PPE when handling the powder.

Lithium Stearate CAS 4485-12-5

Lithium Stearate, CAS 4485-12-5, is a metallic soap and the lithium salt of stearic acid widely used as a high-temperature grease thickener and powder-metallurgy lubricant. Confirm the required lithium content, moisture and particle size for the intended application.

CAS: 4485-12-5
Synonyms: Lithium octadecanoate, Octadecanoic acid lithium salt, Stearic acid lithium salt, Lithium soap
Einecs: 224-772-5
Molecular Formula: C₁₈H₃₅LiO₂
Grade: Industrial grade 99%
Package: 200kg iron drum or 50kg plastic drum packing

Request a quote

Share:

Product Description

Lithium Stearate, CAS 4485-12-5, is the lithium salt of stearic acid, an organolithium metal soap; the EC/EINECS number is 224-772-5.

Synonyms: Lithium octadecanoate; Octadecanoic acid lithium salt; Stearic acid lithium salt; Lithium soap.

CAS: 4485-12-5.

Molecular formula: C₁₈H₃₅LiO₂.

Molecular weight: 290.41.

EC number: 224-772-5.

It is a white crystalline powder that is slightly soluble in water and soluble in hot ethanol; strong acids decompose it into stearic acid and the corresponding lithium salt.

Typical properties include a density of about 1.025 g/cm³ and a melting point of about 220 °C; commercial grades are often slightly yellowish with a lower melting point.

It is mainly used as a high-temperature grease thickener or gelling agent and as a powder-metallurgy lubricant.

It is also used as a heat stabilizer in plastics, as a corrosion inhibitor and as a paper-coating additive.

Confirm lithium content, free fatty acid, moisture, melting range, particle size and color; lithium content and particle-size distribution affect grease thickening, lubricant performance and polymer processing.

Store in tightly closed containers in a cool, dry, ventilated area away from strong acids, oxidizers and moisture, and use dust controls with appropriate chemical-resistant PPE when handling the powder.

Confirm the current product-specific specification.

Confirm packaging with the requested quantity and destination requirements.

Document requirements should be confirmed from the current specification, SDS, COA, or other product-specific files.

Regulated-use suitability must be confirmed separately with current product-specific documentation.

The page is an RFQ entry point and does not state stock, price, MOQ, or fixed lead time.

For an RFQ, state the intended use, required specification, quantity, packaging, destination, and document needs.

FAQ - Technical & Supply Chain

Q:
What is Lithium Stearate and how is it identified?

A: Lithium stearate is the lithium salt of stearic acid with CAS 4485-12-5, EINECS 224-772-5, molecular formula C₁₈H₃₅LiO₂ and molecular weight about 290.41. It is an organolithium metal soap that is normally supplied as a white crystalline powder.
Q:
What is Lithium Stearate used for?

A: Lithium stearate is mainly used as a high-temperature grease thickener or gelling agent, and as a powder-metallurgy lubricant. It is also used as a heat stabilizer in plastics, a corrosion inhibitor and a paper-coating additive.
Q:
Which specifications should be confirmed when purchasing Lithium Stearate?

A: Confirm lithium content, free fatty acid, moisture, melting range, particle size and color. Because lithium stearate is a metal soap, the lithium content and particle-size distribution can affect grease thickening, lubricant performance and polymer processing.
Q:
Why is lithium content important for Lithium Stearate?

A: The lithium content reflects the completeness of the stearate soap structure and affects the dropping point, thickening efficiency and water resistance of lithium greases. A low or irregular lithium content can change the consistency and high-temperature performance of the finished lubricant.
Q:
How should Lithium Stearate be stored and handled?

A: Store lithium stearate in tightly closed containers in a cool, dry, ventilated area away from strong acids, oxidizers and moisture. Use dust controls and appropriate chemical-resistant PPE when handling the powder.

Ordering & Documentation

Key information for document requests, quotations, and supply planning.

Documents

COA, TDS, SDS/MSDS and packing details are available on request.

Quotation

Send the CAS number, grade, quantity, packing preference and destination.

Sample & Supply

Support is available for samples, trial orders, bulk and repeat supply.

Storage & Shipping

Product-specific conditions are confirmed before order.

Current Language

Change Language