Cellulose acetate butyrate
Cellulose acetate butyrate (CAS 9004-36-8) is a versatile cellulose ester known for its excellent weatherability, toughness, and clarity. It is a thermoplastic polymer derived from cellulose, offering a unique balance of properties. Primarily employed in coatings, it provides durable finishes for various substrates. Its favourable physical characteristics also lend it to applications in plastics and film production, demonstrating its utility across multiple industrial sectors.

Protective Coatings
Used in the formulation of high-performance coatings, providing excellent durability, gloss retention, and resistance to weathering. It is suitable for automotive finishes, industrial coatings, and protective lacquers.
Plastic Films and Sheets
Can be processed into transparent films and sheets, valued for their toughness and clarity. These find use in packaging, graphic arts, and as protective layers in various applications.
Molding Compounds
Incorporated into molding compounds for producing durable plastic articles. Its good impact resistance and aesthetic qualities make it suitable for items requiring a robust and visually appealing finish.
Adhesives and Sealants
Its film-forming properties can be leveraged in adhesive and sealant formulations, contributing to bond strength and flexibility in various assembly processes.
| Density | 1.25 g/mL at 25 °C(lit.) |
|---|---|
| Refractive index | n20/D 1.475(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | nwg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is Cellulose acetate butyrate used for?
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Cellulose acetate butyrate (CAS 9004-36-8) is primarily used in protective coatings for its durability and weatherability, as well as in the production of plastic films, sheets, and molding compounds due to its toughness and clarity.
What is the CAS number and formula for Cellulose acetate butyrate?
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The CAS number for Cellulose acetate butyrate is 9004-36-8. Its formula is not specifically provided as it is a polymer with a repeating unit structure.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Cellulose acetate butyrate typically as a technical or research grade. We do not represent this product as meeting USP, BP, EP, or other pharmacopoeia standards.
What are the safety and handling considerations for Cellulose acetate butyrate?
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When handling Cellulose acetate butyrate, it is recommended to use safety measures such as eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if airborne particulate levels are a concern. The material is not classified as hazardous by WGK Germany.
How is Cellulose acetate butyrate packed and shipped?
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Cellulose acetate butyrate is packed according to industry standards to ensure product integrity during transit. Tech Serve Solutions exports globally, adhering to all necessary shipping regulations.
How can I request a sample or quote for Cellulose acetate butyrate?
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To request a sample or a quote for Cellulose acetate butyrate, please contact our sales department through the website or by phone, providing your specific requirements.
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