聚乙烯醇 (PVA)，CAS 登记号 557-75-5，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于特种化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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本页已列出 聚乙烯醇 (PVA) 的 CAS 号：557-75-5，可与随货 COA 核对。
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Polyvinyl Alcohol (PVA) · CAS 557-75-5 · C2H4O.
| CAS Registry Number | 557-75-5 |
|---|---|
| PubChem CID | 11199 |
| Molecular formula | C2H4O |
| IUPAC name | ethenol |
| Molecular Weight | 44.05 |
|---|---|
| XLogP3 | 0.5 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 44.026214747 |
| Monoisotopic Mass | 44.026214747 |
| Topological Polar Surface Area | 20.2 |
| Heavy Atom Count | 3 |
| Formal Charge | 0 |
| Regulatory & Food Contact | FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS |
|---|---|
| GHS notification summary | 83.7% (566 / 676) |
| GHS notification summary | 83.7% (566 / 676) |
|---|---|
| Reported hazard statements | H301 (16.1%), H351 (100%) |
This chemical does not meet GHS hazard criteria for 83.7% (566 of 676) of all reports.
H301 (16.1%): Toxic if swallowed [Danger Acute toxicity, oral]
Ethenol; VINYL ALCOHOL; Hydroxyethene; Hydroxyethylene; 557-75-5; DTXSID8051467; RefChem:934043; DTXCID2011930; 209-183-3; 680-790-7; Gosenol KH-17; Poly(vinyl alcohol) 1797; Poly(vinyl alcohol) 1799; MFCD00081922; E1203; Poly(vinyl alcohol)(PVA)
CAS 557-75-5; molecular formula C2H4O; molecular weight — g/mol.
Ethenol, VINYL ALCOHOL, Hydroxyethene, Hydroxyethylene, 557-75-5, DTXSID8051467.
Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.
83.7% of GHS notifications report no hazard classification (566 of 676).
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.