济南圣和化工主营供应 巯基丙酸乙酯（CAS 19788-49-9），归类于有机化学品，分子式 C5H10O2S，分子量 134.20。我们面向国内化工贸易与生产企业提供稳定的现货供应，报价响应快，支持对公转账并可开具增值税发票。
| CAS号 | 19788-49-9 |
|---|---|
| 分子式 | C5H10O2S |
| 分子量 | 134.20 |
| 沸点 | 40-41 °C (1 mm Hg) |
| LogP | 1.2 |
| 纯度 | 按批次COA提供(不公开发布) |
| 包装 | 按订单/批次确认(不公开发布) |
| 应用领域 | 有机化学品 |
| 类别 | 有机化学品 |
有机化学品
巯基丙酸乙酯在有机化学品领域使用广泛。采购前请确认纯度等级与包装形式，以批次 COA 为验收依据。
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巯基丙酸乙酯 的 CAS 号为 19788-49-9。
常规纯度规格为 按批次COA提供(不公开发布)，包装为 按订单/批次确认(不公开发布)，随货提供 COA。
主要应用于有机化学品。
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Mercaptopropionicacidethylester · CAS 19788-49-9 · C5H10O2S. UNII 3I8OLS586D. Boiling Point: 40-41 °C (1 mm Hg); Density: 1.027-1.050; Refractive Index: 1.447-1.452.
| CAS Registry Number | 19788-49-9 |
|---|---|
| PubChem CID | 519709 |
| Molecular formula | C5H10O2S |
| IUPAC name | ethyl 2-sulfanylpropanoate |
| UNII (FDA) | 3I8OLS586D |
| FEMA number | 3279 |
| JECFA number | 552 |
| Molecular Weight | 134.20 |
|---|---|
| XLogP3 | 1.2 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 3 |
| Exact Mass | 134.04015073 |
| Monoisotopic Mass | 134.04015073 |
| Topological Polar Surface Area | 27.3 |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Boiling Point | 40-41 °C (1 mm Hg) |
|---|---|
| Density | 1.027-1.050 |
| Refractive Index | 1.447-1.452 |
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Sulfur No safety concern at current levels of intake when used as a flavouring agent |
|---|---|
| GHS notification summary | 0.8% (11 / 1447) |
| GHS notification summary | 0.8% (11 / 1447) |
|---|---|
| Reported hazard statements | H226 (10.3%), H302 (96.3%), H315 (96.1%), H319 (96.1%), H332 (96.3%), H335 (96%) |
This chemical does not meet GHS hazard criteria for 0.8% (11 of 1447) of reports.
H226 (10.3%): Flammable liquid and vapor [Warning Flammable liquids]
Ethyl 2-mercaptopropionate; Ethyl 2-mercaptopropanoate; Ethyl 2-sulfanylpropanoate; Propanoic acid, 2-mercapto-, ethyl ester; 2-Mercaptopropionic Acid Ethyl Ester; Propionic acid, 2-mercapto-, ethyl ester; FEMA No. 3279; Ethyl alpha-mercaptopropionate; EINECS 243-314-5; UNII-3I8OLS586D; 3I8OLS586D; Ethyl 2-thiolpropanoate; LXXNWCFBZHKFPT-UHFFFAOYSA-; DTXSID20864904; 2-Mercaptopropionic acid, ethyl ester; ETHYL .ALPHA.-MERCAPTOPROPIONATE
CAS 19788-49-9; molecular formula C5H10O2S; molecular weight — g/mol.
Ethyl 2-mercaptopropionate, Ethyl 2-mercaptopropanoate, Ethyl 2-sulfanylpropanoate, Propanoic acid, 2-mercapto-, ethyl ester, 2-Mercaptopropionic Acid Ethyl Ester, Propionic acid, 2-mercapto-, ethyl ester.
Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT; Flavoring Agents.
0.8% of GHS notifications report no hazard classification (11 of 1447).
Boiling Point: 40-41 °C (1 mm Hg); Density: 1.027-1.050; Refractive Index: 1.447-1.452.
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.