CAS 557-05-1
Zinc Stearate
CAS 557-05-1C36H70O4Zn632.3 g/mol
Zinc Stearate, or zinc bis(octadecanoate), is primarily used as a lubricant and release agent in various applications. It demonstrates excellent performance in plastics, rubber, and coatings by preventing sticking and facilitating easy removal from molds. This compound is also utilized in the cosmetic industry as an effective thickening agent and stabilizer. With its standard pack size of 20 kg, Zinc Stearate is widely recognized across multiple sectors for its versatility and reliability.
Main applicationPlastics manufacturing — acts as a lubricant to reduce friction during processing.\nRubber processing — serves as a release agent for mold applications.\nCosmetics and personal care — used as a thickening agent and stabilizer in formulations.\nPaints and coatings — enhances the smoothness and performance of products.\nTextile treatments — aids in the finishing process of fabrics.
Zinc Stearate is significant in industrial applications due to its multifunctional properties as a lubricant and release agent. Its reliability in improving manufacturing efficiency makes it a critical material for industries like plastics, rubber, and cosmetics. This compound helps streamline processes and improve the end quality of products, making it an essential stock item for procurement officers and technical buyers.
Also known as
- Zinc octadecanoate
- Zinc distearate
- Zn Stearate
- Octadecanoic acid
- zinc salt
- Hydense
- Hytech
- Mathe
Trade pricing
Quoted per enquiry
Pricing depends on volume, grade and delivery point. Our desk responds within two working hours.
Available packaging
- Available in 20 kg bags.
Documentation
Batch-specific COA issued with every consignment.
Technical specifications
- CAS number
- 557-05-1
- Chemical formula
- C36H70O4Zn
- Molecular weight
- 632.3 g/mol
- Grade
- Technical grade
- Appearance
- White powder
- Density
- 1.1 g/cm³
- Density
- 1.1 g/cm³
- Melting Point
- 130 °C
- Solubility
- Insoluble in water
Zinc Stearate, with the molecular formula C36H70O4Zn and a molecular weight of 632.3 g/mol, is a white powder characterized by its density of approximately 1.1 g/cm³. This product remains insoluble in water, making it suitable for applications where moisture resistance is crucial. It melts at around 130 °C (266 °F), offering thermal stability during processing. Buyers should specify the required purity and pack size when ordering, ensuring it meets their specific application needs.
Delivery
Zinc Stearate is dispatched from our Nairobi warehouse across Kenya, and export delivery is arranged to the wider East African market. Lead time depends on quantity and grade and is confirmed with your quotation — see delivery and collection for the towns we reach and how dispatch works.
Applications & uses
- Plastics manufacturing — acts as a lubricant to reduce friction during processing.\nRubber processing — serves as a release agent for mold applications.\nCosmetics and personal care — used as a thickening agent and stabilizer in formulations.\nPaints and coatings — enhances the smoothness and performance of products.\nTextile treatments — aids in the finishing process of fabrics.
Industries we supply this to
Why buy this from Sparks
- Reduces friction in plastic and rubber processing, leading to improved efficiency.\nFacilitates easy release from molds, enhancing production speed.\nImproves the texture and stability of cosmetic formulations.\nEnhances the finish and application of paints and coatings.\nOffers increased durability in textile treatments, contributing to longer-lasting products.
Quality assurance
- Batches are checked against the specification values listed above before dispatch.
State what your process, auditor or customs clearance requires when you request a quotation, and it is confirmed with the quote.
Safety, handling & storage
Always consult the full Safety Data Sheet before handling. Personnel must use appropriate PPE and follow local regulations for storage, transport and disposal.
Frequently asked questions
What is the CAS number of Zinc Stearate?
The CAS registry number for Zinc Stearate is 557-05-1. Its chemical formula is C36H70O4Zn, with a molecular weight of 632.3 g/mol. Quote this number when requesting a quotation or checking documentation, as it identifies the substance unambiguously regardless of the trade name used.
What are the other names for Zinc Stearate?
Zinc Stearate is also referred to as Zinc octadecanoate, Zinc distearate, Zn Stearate, Octadecanoic acid, zinc salt and Hydense. These names describe the same substance, so a specification or enquiry written against any of them can be matched to this product.
What grade of Zinc Stearate is supplied?
Zinc Stearate is supplied as Technical grade. State the grade your process requires when requesting a quotation — where an alternative grade can be sourced, it is confirmed at quotation stage rather than assumed.
What does Zinc Stearate look like?
Zinc Stearate is described as white powder. Appearance is a useful first check on receipt of goods, though it does not replace the certificate of analysis for confirming that the material meets specification.
What is Zinc Stearate used for?
Common applications include plastics manufacturing — acts as a lubricant to reduce friction during processing.\nRubber processing — serves as a release agent for mold applications.\nCosmetics and personal care — used as a thickening agent and stabilizer in formulations.\nPaints and coatings — enhances the smoothness and performance of products.\nTextile treatments — aids in the finishing process of fabrics.. The suitability of the product for a particular process depends on the grade and specification required, which is worth confirming against your own process conditions.
Which industries use Zinc Stearate?
Zinc Stearate is supplied to the Agriculture & Agrochemicals, Cosmetics & Personal Care, Cleaning & Detergents, Paints, Coatings & Inks and Textile & Leather Tanning sectors. These are the industries this product is listed against in our catalogue; if your application falls outside them, we can advise on suitability before you order.
What packaging is Zinc Stearate available in?
Available in 20 kg bags. Where a different pack size or bulk delivery is required, it is confirmed at quotation stage against availability rather than listed here as standard.
References
Technical information on this page was compiled from the following published sources. Safety and handling data always comes from the supplier’s own safety data sheet.
- 1.PubChem CID 11178pubchem.ncbi.nlm.nih.gov
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