亚磷酸，CAS 登记号 14939-26-5，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，下游主要用于有机化学品。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。
有机化学品
每批随货提供 COA；可按需提供 MSDS 及技术文件。邮件注明产品名称与 CAS 号，一个工作日内回复报价。
本页已列出 亚磷酸 的 CAS 号：14939-26-5，可与随货 COA 核对。
常见纯度为 按批次COA提供(不公开发布)，包装形式为 按订单/批次确认(不公开发布)，特殊规格可在询价时说明。
主要涉及有机化学品。
来信 info@591daili.com 或 WhatsApp 联系，提供产品名称、CAS 号与数量，确认价格与交期后即可安排发货，验收以批次 COA 为准。
Phosphorus acid · CAS 14939-26-5 · H3O3P. UNII 35V6A8JW8E.
| CAS Registry Number | 14939-26-5 |
|---|---|
| PubChem CID | 107909 |
| Molecular formula | H3O3P |
| IUPAC name | phosphorous acid |
| UNII (FDA) | 35V6A8JW8E |
| Molecular Weight | 81.996 |
|---|---|
| XLogP3 | -1.5 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 81.98198095 |
| Monoisotopic Mass | 81.98198095 |
| Topological Polar Surface Area | 60.7 |
| Heavy Atom Count | 4 |
| Formal Charge | 0 |
| GHS notification summary | 0.3% (2 / 719) |
|---|
| GHS notification summary | 0.3% (2 / 719) |
|---|---|
| Reported hazard statements | H302, H314, H318 (29.3%) |
H302: Harmful if swallowed [Warning Acute toxicity, oral]
H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
Phosphorous acid; 10294-56-1; Orthophosphorus acid; DTXSID7035511; CHEBI:36361; RefChem:1095536; DTXCID5015511; 233-663-1; 35V6A8JW8E; Dihydroxyphosphine oxide; Trihydroxyphosphine; Phosphorane, trihydroxy-; Orthophosphorous acid; Caswell No. 663I; trioxophosphate; Phophorous acid
CAS 14939-26-5; molecular formula H3O3P; molecular weight — g/mol.
Phosphorous acid, 10294-56-1, Orthophosphorus acid, DTXSID7035511, CHEBI:36361, RefChem:1095536.
0.3% of GHS notifications report no hazard classification (2 of 719).
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.