Suzhou Pharmaceutical Technology Co., Ltd. (China) supplies Stearic Acid CAS 57-11-4 for pharmaceutical B2B procurement — COA, MSDS, and technical documentation available on request.
> Product Overview
Stearic Acid (CAS 57-11-4) is a C18 fatty acid used as a formulation ingredient where buyers need control of acid value, iodine value, congealing point, fatty acid profile, COA/MSDS documentation, and export coordination. Suzhou Pharmaceutical Technology Co., Ltd. supports sourcing for B2B evaluation, formulation screening, and commercial procurement programs.
This page is a technical procurement reference for Stearic Acid CAS 57-11-4, not a therapeutic or regulatory approval claim.
> Applications and Technical Reference
Stearic Acid is used in buyer-defined systems as a consistency agent, texture modifier, fatty acid or formulation ingredient. Suitability depends on grade, form, compatibility, process, and internal evaluation.
A formulation study published in 2019 in International Journal of Pharmaceutics reported physical-property data and lipid excipient behavior with n=0 human subjects because it was laboratory work. We cite this as technical literature background only.
> Technical Specifications
| CAS Number | 57-11-4 |
| Product Name | Stearic Acid |
| Structural Formula |  |
| InChIKey | QIQXTHQIDYTFRH-UHFFFAOYSA-N |
| SMILES | CCCCCCCCCCCCCCCCCC(=O)O |
| Molecular Formula | C18H36O2 |
| Molecular Weight | 284.5 |
| Appearance | White to yellowish flakes, powder or granules |
| Purity | According to agreed specification and batch COA |
| Key Controls | Acid value, iodine value, congealing point, C18/C16 profile and agreed impurity limits |
| Storage | Keep closed in a dry, cool and ventilated area |
> Sourcing and Supply Scope
Suzhou Pharmaceutical Technology Co., Ltd. supports evaluation and pilot quantities through the Suzhou technical team for evaluation and specification alignment. Commercial bulk requirements 25 kg packaging, pallet quantities or larger production campaigns are scaled up at qualified manufacturing facilities, with purchasing, documentation and logistics coordinated according to the agreed order scope.
Supported destinations include Brazil, Argentina, Colombia, Chile, Peru, Ecuador, Bolivia, Paraguay and Uruguay in South America, together with Australia, New Zealand, Mexico and Canada.
> Quality and Documentation
For Stearic Acid CAS 57-11-4, the normal documentation package includes COA and MSDS. COO can be arranged for pallet quantities and commercial export orders. Buyer-specific specifications should be reviewed before quotation so the supplied batch can be matched against the required quality profile.
> Packaging and Logistics
Packaging can be discussed as bag, carton, drum or suitable export format according to quantity and route. Labels, palletization and export documents are confirmed before shipment.
> Pricing and Lead Time
Pricing depends on specification, form, packaging, quantity, documentation scope, shipment route and destination. Please request a quote with CAS 57-11-4, target specification, quantity, destination country, and whether the order is for evaluation or pilot quantity evaluation or 25 kg packaging, pallet quantities or larger production campaigns commercial bulk.
> Related Products
Related materials include stearyl alcohol, magnesium stearate, cetostearyl alcohol, glycerol and other formulation ingredients.
> FAQ
What documents are normally available for Stearic Acid CAS 57-11-4?
COA and MSDS are normally prepared for Stearic Acid CAS 57-11-4. COO can be arranged for pallet quantities and commercial export orders when required.
Can Suzhou Pharmaceutical Technology Co., Ltd. support small Stearic Acid lots?
Yes. The Suzhou technical team supports evaluation and pilot quantities for ingredient evaluation, specification alignment, and formulation screening.
How are Stearic Acid orders for 25 kg packaging, pallet quantities or larger production campaigns handled?
Commercial bulk requirements for 25 kg packaging, pallet quantities or larger production campaigns are scaled up at qualified manufacturing facilities, with batch. Documentation and export coordination prepared for the agreed specification.
Do you supply Stearic Acid to South America?
Yes. We support B2B buyers in Brazil, Argentina, Colombia, Chile, Peru, Ecuador, Bolivia, Paraguay and Uruguay, as well as Australia, New Zealand, Mexico and Canada.
Which Stearic Acid aliases should buyers use in an RFQ?
Useful request names include Stearic Acid, octadecanoic acid, n-octadecanoic acid, C18 fatty acid, acido estearico and CAS 57-11-4.
Which destinations outside South America are supported?
Australia, New Zealand, Mexico and Canada are supported for B2B Stearic Acid inquiries, subject to shipment route and document review.
What specification details should be included in a Stearic Acid inquiry?
Please include acid value, iodine value, congealing point, fatty acid profile, form, packaging, quantity, destination and timeline.
Can buyer-defined Stearic Acid specifications be reviewed?
Yes. Buyer-defined specifications can be reviewed before quotation, including C18 content, C16 content, color, odor, particle form and agreed release tests.
How should Stearic Acid be stored?
Store Stearic Acid tightly closed in a dry, cool and ventilated area, protected from heat and incompatible materials, according to the MSDS.
Can Stearic Acid be discussed with related ingredients?
Yes. Buyers can discuss Stearic Acid together with stearyl alcohol, magnesium stearate, cetostearyl alcohol, glycerol or other formulation ingredients.
> Request a Quote
For Stearic Acid CAS 57-11-4, send your target specification, quantity, destination country, documentation needs, packaging preference and procurement timeline to Info@fmyykj.com. Last reviewed: 2026-06-04.