POLY(VINYL ACETATE) CAS#9003-20-7

Poly(vinyl acetate) [PVAc] is a biocompatible and biodegradable polymer as it has hydrolyzable groups in the side chain, also it is non-toxic and non-carcinogenic. Owing to its biologically friendly nature, it is used in various biomedical application such as artificial organ implant, contact lens, cardiovascular devices and cartilage skin. It is also used in wound dressing and various drug-delivery applications. It has been accepted as reference standard for universal calibration in gel permeation chromatography.

1. Basic Product Information

CAS Number: 9003-20-7

Chemical Formula: (C4H6O2)x

Molecular Weight: MW ≈ 50,000

Synonyms: Vinyl acetate emulsion adhesive series, POLY(VINYL ACETATE) USP, PVAc

Appearance: Uniform white fine powder, smooth texture, no caking, stable physical state

MOQ: 1 FCL (Full Container Load)

2. Core

 Material Properties

Polyvinyl Acetate (PVAc) is a thermoplastic synthetic polymer with unique structural advantages. Its side-chain hydrolyzable groups endow the material with excellent biodegradability, enabling gradual natural degradation in the environment without causing pollution. Different from traditional chemical polymers, PVAc features ultra-high biological safety, with no toxic residue and no carcinogenic risk. It possesses moderate flexibility, outstanding film-forming ability and stable chemical inertness, resisting common acid and alkali corrosion in conventional application environments. In addition, it has good material compatibility, capable of blending with various polymer materials, fillers and biological auxiliaries to optimize formula performance.

As a high-precision polymer standard substance, PVAc has stable molecular weight distribution and uniform structural characteristics, which meets the strict calibration requirements of gel permeation chromatography (GPC), and is widely recognized as a universal calibration reference standard in laboratory testing industry.

3. Professional Application Scenarios

3.1 Biomedical & Medical Devices Industry

Benefiting from superior biocompatibility and non-toxic characteristics, PVAc is a core safe material for high-end medical applications. It is widely applied in the manufacturing of artificial organ implants, contact lenses, cardiovascular medical devices, cartilage and skin repair materials. It will not produce immune rejection or toxic stimulation when contacting human tissues and body fluids. Meanwhile, it is commonly used in medical wound dressings, which can protect wounds, isolate bacterial invasion and promote tissue repair. In pharmaceutical research, it serves as a carrier material for controlled drug delivery systems, realizing slow and stable release of active pharmaceutical ingredients and improving drug utilization efficiency.

3.2 Laboratory Testing & Scientific Research

PVAc is an authoritative standard reagent for gel permeation chromatography (GPC). Relying on its stable molecular structure and accurate molecular weight parameters, it is used for universal calibration of chromatographic instruments, ensuring the accuracy and repeatability of polymer molecular weight testing data. It is widely used in university laboratories, material research institutes, chemical analysis institutions and pharmaceutical testing laboratories, and is a necessary standard material for polymer material analysis and experimental data calibration.

3.3 Industrial Adhesives & Coatings

With excellent film-forming property and adhesive strength, PVAc is a key raw material for vinyl acetate emulsion adhesives. It is suitable for bonding wood, paper, textiles and porous materials, featuring fast curing, strong adhesion and no harmful volatile substances. It can also be used as a functional additive for environmental-friendly coatings, improving the flexibility, weather resistance and surface flatness of coating films, widely used in furniture, packaging and architectural decoration industries.

3.4 Environmental & Daily Chemical Fields

Due to its complete biodegradability and environmental safety, PVAc is used in the production of environmentally friendly daily chemical auxiliaries and degradable packaging materials. It can replace some non-degradable synthetic polymers, effectively reducing environmental pressure, and conforms to global environmental protection and sustainable development standards.

4. Packaging & Transportation Specifications

4.1 Standard Packaging

The product adopts industrial-grade moisture-proof and dust-proof packaging, with 25kg per standard package (inner PE lining + outer composite kraft paper bag) to effectively prevent moisture absorption and caking. Ton bag packaging is available for large-batch industrial orders. All packages are marked with complete product information, safety labels and export shipping marks. Customized packaging and logo printing are supported for long-term cooperative customers.

4.2 Storage Requirements

Store in a cool, dry, ventilated and dust-free warehouse environment. Keep tightly sealed during storage, away from direct sunlight, high temperature heat sources, strong acids and strong oxidants. The recommended storage temperature is 15-30°C. Avoid long-term humid environment to maintain the original powder state and molecular stability of the product. Strictly store separately from food and toxic chemicals.

4.3 Transportation Standards

This product belongs to non-dangerous goods, suitable for sea, land and air conventional transportation. During transportation, avoid violent extrusion, falling and package damage. Prohibit mixed transportation with corrosive, toxic and edible materials. Our team arranges professional container loading, fixes goods stably to prevent extrusion deformation, and ensures intact product delivery under long-distance transportation.

5. Quality Inspection & Certification

All batches of Polyvinyl Acetate are produced in strict accordance with international industrial and medical-grade standards. Before delivery, each batch will pass strict tests including appearance inspection, molecular weight detection, purity analysis and stability test. We can provide complete export documents: COA quality certificate, MSDS safety data sheet, packing list and commercial invoice. Third-party authoritative inspections such as SGS are acceptable according to customer requirements. All production and testing data is archived to realize full quality traceability.

6. After-sales & Technical Service

6.1 Pre-sales Service

Provide free product sample testing and technical consultation. Professional technical team supports product grade selection, application formula guidance and experimental scheme matching, especially for medical research and laboratory calibration scenarios. We provide flexible quotation terms (FOB, CIF, CFR) to meet different customer trade needs.

6.2 In-sales Service

Arrange special personnel to track production progress, quality inspection process and logistics status in real time, and update order information regularly. Support factory inspection and loading supervision by customers.

6.3 After-sales Guarantee

24-hour online customer service responds to customer inquiries quickly. If any product quality problem caused by production factors occurs after arrival, we will provide targeted solutions such as replacement, replenishment and compensation in accordance with the contract. Provide long-term technical support for product storage, experimental application and industrial formula optimization.

7. Customer Cooperation Cases

Our high-purity PVAc products have been stably supplied to global customers, covering biomedical enterprises, university scientific research laboratories, chemical testing institutions and environmental-friendly adhesive manufacturers. Many medical material factories adopt our PVAc for the production of medical dressing and biological carrier materials due to its stable biocompatibility. Scientific research institutions widely purchase our products for GPC instrument calibration and polymer material research. With stable batch quality and complete compliance documents, we have established long-term stable cooperative relationships with customers in Europe, Southeast Asia, the Middle East and other regions.

8. FAQ (Frequently Asked Questions)

Q1: What makes PVAc different from ordinary polymer materials?

Different from common non-degradable polymers, PVAc has hydrolyzable side-chain groups, featuring excellent biodegradability, non-toxic and non-carcinogenic properties. It has ultra-high biological safety, which is why it can be used in medical implantation and human contact scenarios, far exceeding the safety level of ordinary industrial polymers.

Q2: Why is PVAc suitable for GPC calibration?

Our PVAc has accurate molecular weight (MW≈50,000), uniform molecular weight distribution and stable chemical structure. Its performance is consistent with international calibration standards, which can effectively ensure the accuracy and stability of gel permeation chromatography test data, and is a recognized universal calibration standard reagent.

Q3: Is PVAc safe for medical and human contact use?

Yes. PVAc is a biocompatible polymer without toxic components and carcinogenic risks. It will not cause irritation, allergy or immune rejection when contacting human skin, tissues and body fluids, and fully meets international medical material safety standards.

Q4: How to store PVAc powder to avoid performance deterioration?

It is necessary to keep the product sealed, stored in a dry and cool environment, away from high temperature, humidity and strong corrosive substances. Avoid long-term exposure to air to prevent moisture absorption and caking, so as to maintain its original physical and chemical properties.

Q5: What is your minimum order quantity?

The standard MOQ is 1 FCL for bulk export orders. We support sample supply for customers to test product performance and verify application effects before bulk procurement.

9. Product Advantages

Our Polyvinyl Acetate (CAS 9003-20-7) integrates safety, environmental protection and high performance. It has both medical-grade biological safety and laboratory-grade high-precision stability, with wide application coverage. We guarantee stable batch quality, accurate molecular weight parameters and zero difference between batches. With professional export service system and perfect after-sales technical support, we provide one-stop procurement solutions for scientific research, medical treatment and industrial production customers.