硫代乳酸乙酯（CAS 19788-49-9）：分子式 C5H10O2S、分子量 134.20。
| 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 |
| 应用领域 | Use Classification: Fragrance Ingredients、Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes、Flavoring Agents -> JECFA Flavorings Index、General Manufacturing Information: Propanoic acid、2-mercapto-、ethyl ester: ACTIVE |
登记用途：Use Classification: Fragrance Ingredients、Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes、Flavoring Agents -> JECFA Flavorings Index、General Manufacturing Information: Propanoic acid、2-mercapto-、ethyl ester: ACTIVE。
硫代乳酸乙酯 是一种化工化合物，登记 CAS 号为 19788-49-9，分子式 C5H10O2S（分子量 134.20）。
登记 CAS 号：19788-49-9
其分子式 C5H10O2S 由 5 个碳、10 个氢、2 个氧、1 个硫 组成。
别名/同义词：硫代乳酸乙酯 · Ethyl 2-mercaptopropionate · Mercaptopropionicacidethylester
硫代乳酸乙酯 的 CAS 登记号为 19788-49-9。
分子式 C5H10O2S，分子量 134.20。
别名/同义词：硫代乳酸乙酯、Ethyl 2-mercaptopropionate、Mercaptopropionicacidethylester。
登记用途：Use Classification: Fragrance Ingredients、Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes、Flavoring Agents -> JECFA Flavorings Index、General Manufacturing Information: Propanoic acid、2-mercapto-、ethyl ester: ACTIVE。
硫代乳酸乙酯（CAS 19788-49-9）的独立参考数据，整理自公开化学数据库。
| 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 |
| Boiling Point | 40-41 °C (1 mm Hg) |
|---|---|
| Density | 1.027-1.050 |
| Refractive Index | 1.447-1.452 |
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
| 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]
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.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Ethyl 2-mercaptopropionate