1、聚醋酸乙烯酯 CAS#: 9003

由醋酸乙烯在醋酸存在下聚合而成，聚合度以250～600为宜，聚合完成后，树脂中残存的微量催化剂 (通常为过氧化物)、单体和 (或)溶剂经真空干燥、蒸汽汽提、洗涤或联合处理法除去。 ChemicalBook 致力于为化学行业用户提供聚醋酸乙烯酯的性质、化学式、分子式、比重、密度,同时也包括聚醋酸乙烯酯的沸点、熔点、MSDS、用途、作用、毒性、价格、生产厂家、用途、上游原料、下游产品等信息。

2、聚乙酸乙烯酯_百度百科

在欧盟，作为聚合物，它符合 REACH 法规要求，且其单体 (乙酸乙烯酯) 已注册，CAS 号为 9003-20-7。 中国国家标准 GB/T 20623-2006《建筑涂料用乳液》规定了包括以乙酸乙烯酯为单体的建筑涂料用乳液的技术要求。

3、聚醋酸乙烯酯_化工百科

中文名:聚醋酸乙烯酯,英文名:Poly (vinyl acetate),CAS:9003-20-7,化学式:C4H6O2,分子量:86.08924,密度:1.18 g/mL at 25 °C,熔点:60°C,沸点:70-150 °C,闪点:>100℃,蒸汽压:86.3mmHg at 25°C,折射率:n20/D 1.467,MSDS.

Poly (vinyl acetate)

Polyvinyl acetate usually contains trace amounts of its precursor, vinyl acetate. One of the metabolites of vinyl acetate, acetaldehyde, is a known animal carcinogen.

PVAC （固体）, 聚醋酸乙烯酯（固体），粘结剂，光亮剂

GB12498-90 (07,001) CAS [9003-20-7] 1.PVAC化学性能 1.1 分子结构 聚乙酸乙烯酯Polyvinyl acetate 分子式 (C4H6O2)n分子结构式 简称PVAC。 此产品是一种橡胶合成树脂，属于聚乙烯之类一族，通用分子式- [RCOOCHCH2]-，具有热塑性。 1.2 化学属性 聚乙酸乙烯酯的聚合度通常为100到5000。

Poly (vinyl acetate

CAS号查询致力于为化学行业用户免费提供Poly (vinyl acetate的CAS号、中文名称、英文名称相互转换服务,同时也包括Poly (vinyl acetate的性质、化学式、分子结构、密度、熔点、沸点等信息。

Polyvinyl acetate USP Reference Standard CAS 9003

Polyvinyl acetate United States Pharmacopeia (USP) Reference Standard; CAS Number: 9003-20-7; Synonyms: Poly (vinyl acetate); Linear Formula: [CH2CH (O2CCH3)]n at Sigma-Aldrich

Poly (vinyl acetate)

Chemical name:Poly (vinyl acetate) ; CAS NO:9003-20-7; Molecular Formula:C₄H₆O₂; Molecular Weight:86.0892; EINECS:202-500-6

Poly (vinyl acetate) average Mw 100,000 GPC, beads 9003

Polymer coating for floating tablets showing a controlled drug delivery. PVAc is a suitable excipient to ensure reliable and safe drug release. PVAc-based matrix tablet flow due to intrinsic low density and high elasticity of polyvinyl acetate coating.

聚乙酸乙烯酯 CAS#: 9003

聚乙酸乙烯酯（Polyvinyl Acetate），又称聚醋酸乙烯酯，英文简称PVAC，外观为白色粘稠液体或淡黄色细粉或玻璃块状，无臭，透明，韧性强。 不溶于水、脂肪，溶于乙醇、乙酸乙酯等醇类或脂类。 遇光、热不易变色，不易老化。

In the world of chemistry, every compound has a unique identifier, much like how every person has a name. For Polyvinyl Acetate (PVAc), the CAS number is not only its identity card but also a bridge connecting it to the global scientific community.

The CAS number, fully known as the Chemical Abstracts Service Registry Number, is a unique identifier assigned by the Chemical Abstracts Service (CAS) to chemical substances. This system, established in 1965 by the American Chemical Society, aims to provide researchers worldwide with a unified and accessible database of chemical information. The CAS number follows strict rules to ensure that each code accurately reflects the properties, applications, and safety profiles of the associated substance.

Polyvinyl Acetate is a common synthetic resin widely used in plastics, adhesives, coatings, and other fields. Its chemical name is polyvinyl acetate, and it is synthesized through the polymerization of vinyl acetate monomers. The molecular chain of PVAc contains numerous hydroxyl and acetate groups, which confer excellent film-forming properties, flexibility, and water resistance. These characteristics make it an ideal material for manufacturing various plastic products.

PVAc is not without drawbacks. As a synthetic resin, it may contain harmful substances such as formaldehyde, posing risks to human health. when using PVAc products, it is crucial to understand their safety implications and avoid prolonged exposure or inhalation of potential hazardous emissions. To ensure product quality and safety, manufacturers must comply with regulations and rigorously control raw materials and production processes.

In scientific research, the CAS number plays a pivotal role. Researchers often rely on literature reviews to access detailed information about specific chemicals. As the universal identifier for substances, the CAS number streamlines this process. By querying a CAS number, researchers can quickly obtain critical data, including physical and chemical properties, toxicity information, and application examples. This enhances efficiency and fosters the accumulation and dissemination of scientific knowledge.

Beyond academia, CAS numbers are equally important in industrial production and everyday life. In manufacturing, they help enterprises trace and manage the origins and flows of chemical materials, ensuring product quality and safety. For consumers, checking a product’s CAS number can reveal its ingredients, sources, and safety profile, empowering more informed purchasing decisions.

Despite its widespread use, caution is required when handling PVAc. Users should be aware of its potential risks and avoid extended contact or inhalation of harmful substances. Meanwhile, producers must strengthen oversight and self-regulation to guarantee safe and compliant manufacturing processes. Only by doing so can we harness the value of PVAc sustainably, advancing both technological progress and human well-being.