马来酸单正丁酯，CAS 登记号 925-21-3，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 马来酸单正丁酯 的 CAS 号：925-21-3，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。
Mono-n-butyl maleate · CAS 925-21-3 · C8H12O4. UNII F2LD7FVO1L.
| CAS Registry Number | 925-21-3 |
|---|---|
| PubChem CID | 5356726 |
| Molecular formula | C8H12O4 |
| IUPAC name | (Z)-4-butoxy-4-oxobut-2-enoic acid |
| UNII (FDA) | F2LD7FVO1L |
| Molecular Weight | 172.18 |
|---|---|
| XLogP3 | 1.1 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 6 |
| Exact Mass | 172.07355886 |
| Monoisotopic Mass | 172.07355886 |
| Topological Polar Surface Area | 63.6 |
| Heavy Atom Count | 12 |
| Formal Charge | 0 |
| Regulatory & Food Contact | FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS |
|---|---|
| GHS notification summary | 31.1% (73 / 235) |
| GHS notification summary | 31.1% (73 / 235) |
|---|---|
| Reported hazard statements | H314 (52.3%), H315 (16.6%), H318 (60.9%), H335 (16.6%), H373 (44.7%), H402 |
This chemical does not meet GHS hazard criteria for 31.1% (73 of 235) of reports.
H314 (52.3%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
Monobutyl maleate; 925-21-3; Butyl hydrogen maleate; 2-Butenedioic acid (Z)-, monobutyl ester; 2-Butenedioic acid (2Z)-, monobutyl ester; n-butyl maleate; F2LD7FVO1L; 2-Butenedioic acid (2Z)-, 1-butyl ester; DTXSID2027337; RefChem:7810; DTXCID007337; 213-116-3; (Z)-4-butoxy-4-oxobut-2-enoic acid; Maleic acid, monobutyl ester; mono-Butyl maleate; MFCD00040407
CAS 925-21-3; molecular formula C8H12O4; molecular weight — g/mol.
Monobutyl maleate, 925-21-3, Butyl hydrogen maleate, 2-Butenedioic acid (Z)-, monobutyl ester, 2-Butenedioic acid (2Z)-, monobutyl ester, n-butyl maleate.
Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.
31.1% of GHS notifications report no hazard classification (73 of 235).
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.